Standard NLP Services

Language detection

Detects language of given text.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Our kids should grow up in an America where opportunity is real."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

language

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Our kids should grow up in an America where opportunity is real.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=language&apikey=YOUR_KEY"
json
[ {
  "text" : "Our kids should grow up in an America where opportunity is real.",
  "annotations" : {
    "language" : [ {
      "start" : 0,
      "end" : 64,
      "value" : "en"
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "language" : [ {
      "start" : 0,
      "end" : 74,
      "value" : "ru"
    } ]
  }
} ]

Sentence detection

Detects boundaries of sentences in a given text.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Our kids should grow up in an America where opportunity is real."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

sentence

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Our kids should grow up in an America where opportunity is real.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=sentence&apikey=YOUR_KEY"
json
[ {
  "text" : "Our kids should grow up in an America where opportunity is real.",
  "annotations" : {
    "sentence" : [ {
      "start" : 0,
      "end" : 64
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "sentence" : [ {
      "start" : 0,
      "end" : 74
    } ]
  }
} ]

Lemmatization

Detects lemma of each word of a given text.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Our kids should grow up in an America where opportunity is real."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

lemma

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Our kids should grow up in an America where opportunity is real.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=lemma&apikey=YOUR_KEY"
json
[ {
  "text" : "Our kids should grow up in an America where opportunity is real.",
  "annotations" : {
    "lemma" : [ {
      "start" : 0,
      "end" : 3,
      "value" : "our"
    }, {
      "start" : 4,
      "end" : 8,
      "value" : "kid"
    }, {
      "start" : 9,
      "end" : 15,
      "value" : "should"
    }, {
      "start" : 16,
      "end" : 20,
      "value" : "grow"
    }, {
      "start" : 21,
      "end" : 23,
      "value" : "up"
    }, {
      "start" : 24,
      "end" : 26,
      "value" : "in"
    }, {
      "start" : 27,
      "end" : 29,
      "value" : "an"
    }, {
      "start" : 30,
      "end" : 37,
      "value" : "america"
    }, {
      "start" : 38,
      "end" : 43,
      "value" : "where"
    }, {
      "start" : 44,
      "end" : 55,
      "value" : "opportunity"
    }, {
      "start" : 56,
      "end" : 58,
      "value" : "be"
    }, {
      "start" : 59,
      "end" : 63,
      "value" : "real"
    }, {
      "start" : 63,
      "end" : 64,
      "value" : ""
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "lemma" : [ {
      "start" : 0,
      "end" : 8,
      "value" : "согласно"
    }, {
      "start" : 9,
      "end" : 21,
      "value" : "официальный"
    }, {
      "start" : 22,
      "end" : 30,
      "value" : "прогноз"
    }, {
      "start" : 31,
      "end" : 48,
      "value" : "минэкономразвития"
    }, {
      "start" : 48,
      "end" : 49,
      "value" : ""
    }, {
      "start" : 50,
      "end" : 53,
      "value" : "ввп"
    }, {
      "start" : 54,
      "end" : 60,
      "value" : "россия"
    }, {
      "start" : 61,
      "end" : 67,
      "value" : "падать"
    }, {
      "start" : 68,
      "end" : 70,
      "value" : "на"
    }, {
      "start" : 71,
      "end" : 73,
      "value" : "3"
    }, {
      "start" : 73,
      "end" : 74,
      "value" : ""
    } ]
  }
} ]

PoS tagging

Detects part of speech tag for each word of a given text.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Our kids should grow up in an America where opportunity is real."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

pos-token

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Our kids should grow up in an America where opportunity is real.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=pos-token&apikey=YOUR_KEY"
json
[ {
  "text" : "Our kids should grow up in an America where opportunity is real.",
  "annotations" : {
    "pos-token" : [ {
      "start" : 0,
      "end" : 3,
      "value" : {
        "type" : "penn",
        "tag" : "OTHER",
        "characters" : [ ]
      }
    }, {
      "start" : 4,
      "end" : 8,
      "value" : {
        "type" : "penn",
        "tag" : "NNS",
        "characters" : [ ]
      }
    }, {
      "start" : 9,
      "end" : 15,
      "value" : {
        "type" : "penn",
        "tag" : "OTHER",
        "characters" : [ ]
      }
    }, {
      "start" : 16,
      "end" : 20,
      "value" : {
        "type" : "penn",
        "tag" : "VB",
        "characters" : [ ]
      }
    }, {
      "start" : 21,
      "end" : 23,
      "value" : {
        "type" : "penn",
        "tag" : "OTHER",
        "characters" : [ ]
      }
    }, {
      "start" : 24,
      "end" : 26,
      "value" : {
        "type" : "penn",
        "tag" : "IN",
        "characters" : [ ]
      }
    }, {
      "start" : 27,
      "end" : 29,
      "value" : {
        "type" : "penn",
        "tag" : "DT",
        "characters" : [ ]
      }
    }, {
      "start" : 30,
      "end" : 37,
      "value" : {
        "type" : "penn",
        "tag" : "NNP",
        "characters" : [ ]
      }
    }, {
      "start" : 38,
      "end" : 43,
      "value" : {
        "type" : "penn",
        "tag" : "OTHER",
        "characters" : [ ]
      }
    }, {
      "start" : 44,
      "end" : 55,
      "value" : {
        "type" : "penn",
        "tag" : "NN",
        "characters" : [ ]
      }
    }, {
      "start" : 56,
      "end" : 58,
      "value" : {
        "type" : "penn",
        "tag" : "VBZ",
        "characters" : [ ]
      }
    }, {
      "start" : 59,
      "end" : 63,
      "value" : {
        "type" : "penn",
        "tag" : "JJ",
        "characters" : [ ]
      }
    }, {
      "start" : 63,
      "end" : 64,
      "value" : {
        "type" : "penn",
        "tag" : "DOT",
        "characters" : [ ]
      }
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "pos-token" : [ {
      "start" : 0,
      "end" : 8,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "PR",
        "characters" : [ ]
      }
    }, {
      "start" : 9,
      "end" : 21,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "A",
        "characters" : [ {
          "type" : "gender",
          "tag" : "Masculine"
        }, {
          "type" : "case",
          "tag" : "Dative"
        }, {
          "type" : "number",
          "tag" : "Singular"
        } ]
      }
    }, {
      "start" : 22,
      "end" : 30,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "S",
        "characters" : [ {
          "type" : "gender",
          "tag" : "Masculine"
        }, {
          "type" : "case",
          "tag" : "Dative"
        }, {
          "type" : "number",
          "tag" : "Singular"
        }, {
          "type" : "animacy",
          "tag" : "Inanimated"
        } ]
      }
    }, {
      "start" : 31,
      "end" : 48,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "S",
        "characters" : [ {
          "type" : "gender",
          "tag" : "Neuter"
        }, {
          "type" : "case",
          "tag" : "Genitive"
        }, {
          "type" : "number",
          "tag" : "Singular"
        }, {
          "type" : "animacy",
          "tag" : "Inanimated"
        } ]
      }
    }, {
      "start" : 48,
      "end" : 49,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "PUNCT",
        "characters" : [ ]
      }
    }, {
      "start" : 50,
      "end" : 53,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "S",
        "characters" : [ {
          "type" : "gender",
          "tag" : "Masculine"
        }, {
          "type" : "case",
          "tag" : "Genitive"
        }, {
          "type" : "number",
          "tag" : "Singular"
        }, {
          "type" : "animacy",
          "tag" : "Inanimated"
        } ]
      }
    }, {
      "start" : 54,
      "end" : 60,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "S",
        "characters" : [ {
          "type" : "gender",
          "tag" : "Feminine"
        }, {
          "type" : "case",
          "tag" : "Genitive"
        }, {
          "type" : "number",
          "tag" : "Singular"
        }, {
          "type" : "animacy",
          "tag" : "Inanimated"
        } ]
      }
    }, {
      "start" : 61,
      "end" : 67,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "V",
        "characters" : [ {
          "type" : "person",
          "tag" : "Third"
        }, {
          "type" : "number",
          "tag" : "Singular"
        }, {
          "type" : "tense",
          "tag" : "NotPast"
        }, {
          "type" : "mode",
          "tag" : "Indicative"
        } ]
      }
    }, {
      "start" : 68,
      "end" : 70,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "PR",
        "characters" : [ ]
      }
    }, {
      "start" : 71,
      "end" : 73,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "S",
        "characters" : [ {
          "type" : "gender",
          "tag" : "Masculine"
        }, {
          "type" : "case",
          "tag" : "Accusative"
        }, {
          "type" : "number",
          "tag" : "Singular"
        }, {
          "type" : "animacy",
          "tag" : "Inanimated"
        } ]
      }
    }, {
      "start" : 73,
      "end" : 74,
      "value" : {
        "type" : "syn-tag-rus",
        "tag" : "PUNCT",
        "characters" : [ ]
      }
    } ]
  }
} ]

Spelling correction

Tries to correct disprints and other spelling errors in a given text. Note: resulting tokens are NOT guaranteed to match input ones because of whitespace errors corrections.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Our kids should grow up in an America where opportunity is real."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

spelling-correction-token

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Our kids should grow up in an America where opportunity is real.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=spelling-correction-token&apikey=YOUR_KEY"
json
[ {
  "text" : "Our kids should grow up in an America where opportunity is real.",
  "annotations" : {
    "spelling-correction-token" : [ {
      "start" : 0,
      "end" : 3,
      "value" : "Our"
    }, {
      "start" : 4,
      "end" : 8,
      "value" : "kids"
    }, {
      "start" : 9,
      "end" : 15,
      "value" : "should"
    }, {
      "start" : 16,
      "end" : 20,
      "value" : "grow"
    }, {
      "start" : 21,
      "end" : 23,
      "value" : "up"
    }, {
      "start" : 24,
      "end" : 26,
      "value" : "in"
    }, {
      "start" : 27,
      "end" : 29,
      "value" : "an"
    }, {
      "start" : 30,
      "end" : 37,
      "value" : "America"
    }, {
      "start" : 38,
      "end" : 43,
      "value" : "where"
    }, {
      "start" : 44,
      "end" : 55,
      "value" : "opportunity"
    }, {
      "start" : 56,
      "end" : 58,
      "value" : "is"
    }, {
      "start" : 59,
      "end" : 63,
      "value" : "real"
    }, {
      "start" : 63,
      "end" : 64,
      "value" : "."
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "spelling-correction-token" : [ {
      "start" : 0,
      "end" : 8,
      "value" : "Согласно"
    }, {
      "start" : 9,
      "end" : 21,
      "value" : "официальному"
    }, {
      "start" : 22,
      "end" : 30,
      "value" : "прогнозу"
    }, {
      "start" : 31,
      "end" : 48,
      "value" : "Минэкономразвития"
    }, {
      "start" : 48,
      "end" : 49,
      "value" : ","
    }, {
      "start" : 50,
      "end" : 53,
      "value" : "ВВП"
    }, {
      "start" : 54,
      "end" : 60,
      "value" : "России"
    }, {
      "start" : 61,
      "end" : 67,
      "value" : "упадет"
    }, {
      "start" : 68,
      "end" : 70,
      "value" : "на"
    }, {
      "start" : 71,
      "end" : 73,
      "value" : "3%"
    }, {
      "start" : 73,
      "end" : 74,
      "value" : "."
    } ]
  }
} ]

Syntactic parsing

Detects syntactic structure for each sentence of a given text.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Our kids should grow up in an America where opportunity is real."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

syntax-relation

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Our kids should grow up in an America where opportunity is real.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=syntax-relation&apikey=YOUR_KEY"
json
[ {
  "text" : "Our kids should grow up in an America where opportunity is real.",
  "annotations" : {
    "syntax-relation" : [ {
      "start" : 0,
      "end" : 3,
      "value" : {
        "parent" : {
          "start" : 16,
          "end" : 20
        },
        "type" : "advmod"
      }
    }, {
      "start" : 4,
      "end" : 8,
      "value" : {
        "parent" : {
          "start" : 16,
          "end" : 20
        },
        "type" : "nsubj"
      }
    }, {
      "start" : 9,
      "end" : 15,
      "value" : {
        "parent" : {
          "start" : 16,
          "end" : 20
        },
        "type" : "dep"
      }
    }, {
      "start" : 16,
      "end" : 20,
      "value" : { }
    }, {
      "start" : 21,
      "end" : 23,
      "value" : {
        "parent" : {
          "start" : 16,
          "end" : 20
        },
        "type" : "advmod"
      }
    }, {
      "start" : 24,
      "end" : 26,
      "value" : {
        "parent" : {
          "start" : 16,
          "end" : 20
        },
        "type" : "prep"
      }
    }, {
      "start" : 27,
      "end" : 29,
      "value" : {
        "parent" : {
          "start" : 30,
          "end" : 37
        },
        "type" : "det"
      }
    }, {
      "start" : 30,
      "end" : 37,
      "value" : {
        "parent" : {
          "start" : 24,
          "end" : 26
        },
        "type" : "pobj"
      }
    }, {
      "start" : 38,
      "end" : 43,
      "value" : {
        "parent" : {
          "start" : 59,
          "end" : 63
        },
        "type" : "punct"
      }
    }, {
      "start" : 44,
      "end" : 55,
      "value" : {
        "parent" : {
          "start" : 59,
          "end" : 63
        },
        "type" : "nsubj"
      }
    }, {
      "start" : 56,
      "end" : 58,
      "value" : {
        "parent" : {
          "start" : 59,
          "end" : 63
        },
        "type" : "cop"
      }
    }, {
      "start" : 59,
      "end" : 63,
      "value" : {
        "parent" : {
          "start" : 30,
          "end" : 37
        },
        "type" : "rcmod"
      }
    }, {
      "start" : 63,
      "end" : 64,
      "value" : {
        "parent" : {
          "start" : 59,
          "end" : 63
        },
        "type" : "dep"
      }
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "syntax-relation" : [ {
      "start" : 0,
      "end" : 8,
      "value" : {
        "parent" : {
          "start" : 61,
          "end" : 67
        },
        "type" : "обст"
      }
    }, {
      "start" : 9,
      "end" : 21,
      "value" : {
        "parent" : {
          "start" : 22,
          "end" : 30
        },
        "type" : "опред"
      }
    }, {
      "start" : 22,
      "end" : 30,
      "value" : {
        "parent" : {
          "start" : 0,
          "end" : 8
        },
        "type" : "предл"
      }
    }, {
      "start" : 31,
      "end" : 48,
      "value" : {
        "parent" : {
          "start" : 22,
          "end" : 30
        },
        "type" : "квазиагент"
      }
    }, {
      "start" : 48,
      "end" : 49,
      "value" : {
        "parent" : {
          "start" : 31,
          "end" : 48
        },
        "type" : "PUNCT"
      }
    }, {
      "start" : 50,
      "end" : 53,
      "value" : {
        "parent" : {
          "start" : 61,
          "end" : 67
        },
        "type" : "предик"
      }
    }, {
      "start" : 54,
      "end" : 60,
      "value" : {
        "parent" : {
          "start" : 50,
          "end" : 53
        },
        "type" : "квазиагент"
      }
    }, {
      "start" : 61,
      "end" : 67,
      "value" : { }
    }, {
      "start" : 68,
      "end" : 70,
      "value" : {
        "parent" : {
          "start" : 61,
          "end" : 67
        },
        "type" : "2-компл"
      }
    }, {
      "start" : 71,
      "end" : 73,
      "value" : {
        "parent" : {
          "start" : 68,
          "end" : 70
        },
        "type" : "предл"
      }
    }, {
      "start" : 73,
      "end" : 74,
      "value" : {
        "parent" : {
          "start" : 71,
          "end" : 73
        },
        "type" : "PUNCT"
      }
    } ]
  }
} ]

Named Entity tagging (English)

Finds all named entities occurences in a given text.

Texterra can finds following named entity classes for English language:

  • DATE

  • LOCATION

  • MONEY

  • ORGANIZATION

  • PERSON

  • TIME

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Our kids should grow up in an America where opportunity is real."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

named-entity

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Our kids should grow up in an America where opportunity is real.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=named-entity&apikey=YOUR_KEY"
json
[ {
  "text" : "Our kids should grow up in an America where opportunity is real.",
  "annotations" : {
    "named-entity" : [ {
      "start" : 30,
      "end" : 37,
      "value" : {
        "type" : "location",
        "tag" : "LOCATION"
      }
    } ]
  }
} ]

Named Entity tagging (Russian)

Finds all named entities occurences in a given text.

Texterra can finds following named entity classes for Russian language:

  • PERSON

  • NORP_NATIONALITY

  • NORP_RELIGION

  • NORP_POLITICAL

  • NORP_OTHER

  • FACILITY

  • ORGANIZATION_CORPORATION

  • ORGANIZATION_EDUCATIONAL

  • ORGANIZATION_POLITICAL

  • ORGANIZATION_OTHER

  • GPE_COUNTRY

  • GPE_CITY

  • GPE_STATE_PROVINCE

  • GPE_OTHER

  • LOCATION_RIVER

  • LOCATION_LAKE_SEA_OCEAN

  • LOCATION_REGION

  • LOCATION_CONTINENT

  • LOCATION_OTHER

  • PRODUCT

  • DATE

  • TIME

  • MONEY

  • EVENT

  • PLANT

  • ANIMAL

  • SUBSTANCE

  • DISEASE

  • WORK_OF_ART

  • LANGUAGE

  • GAME

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

named-entity

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=named-entity&apikey=YOUR_KEY"
json
[ {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "named-entity" : [ {
      "start" : 31,
      "end" : 48,
      "value" : {
        "type" : "bbn",
        "tag" : "ORGANIZATION_POLITICAL"
      }
    }, {
      "start" : 54,
      "end" : 60,
      "value" : {
        "type" : "bbn",
        "tag" : "GPE_COUNTRY"
      }
    } ]
  }
} ]

Coreference resolution

Detects coreference chains (clusters of the same entity mentions).

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "«Мы будем защищать и воздушное пространство, и морскую акваторию, и горный кластер.», — сказал Путин.  По его словам, к обеспечению безопасности будут привлечены силы и средства «такие, которые не задействованы при обеспечении безопасности в других регионах РФ»."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

coreference

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"«Мы будем защищать и воздушное пространство, и морскую акваторию, и горный кластер.», — сказал Путин. По его словам, к обеспечению безопасности будут привлечены силы и средства «такие, которые не задействованы при обеспечении безопасности в других регионах РФ».\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=coreference&apikey=YOUR_KEY"
json
[ {
  "text" : "«Мы будем защищать и воздушное пространство, и морскую акваторию, и горный кластер.», — сказал Путин.  По его словам, к обеспечению безопасности будут привлечены силы и средства «такие, которые не задействованы при обеспечении безопасности в других регионах РФ».",
  "annotations" : {
    "coreference" : [ {
      "start" : 1,
      "end" : 3
    }, {
      "start" : 95,
      "end" : 100,
      "value" : {
        "start" : 1,
        "end" : 3
      }
    }, {
      "start" : 106,
      "end" : 109,
      "value" : {
        "start" : 95,
        "end" : 100
      }
    }, {
      "start" : 186,
      "end" : 193,
      "value" : {
        "start" : 106,
        "end" : 109
      }
    }, {
      "start" : 258,
      "end" : 260,
      "value" : {
        "start" : 186,
        "end" : 193
      }
    } ]
  }
} ]

KB-based NLP Services

Term detection

Extracts not overlapping terms within a given text; term is a textual representation for some concept of the real world.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

frame

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=frame&apikey=YOUR_KEY"
json
[ {
  "text" : "iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation.",
  "annotations" : {
    "frame" : [ {
      "start" : 0,
      "end" : 4,
      "value" : [ {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 21492980
        },
        "commonness" : 0.44984802431610943
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 1196708
        },
        "commonness" : 0.016717325227963525
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 10109473
        },
        "commonness" : 0.03343465045592705
      }, {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 759920
        },
        "commonness" : 0.5
      } ]
    }, {
      "start" : 29,
      "end" : 42,
      "value" : [ {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 50595
        },
        "commonness" : 1.0
      } ]
    }, {
      "start" : 55,
      "end" : 67,
      "value" : [ {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 4218249
        },
        "commonness" : 0.5
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 37428589
        },
        "commonness" : 0.375
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 2468105
        },
        "commonness" : 0.0625
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 37852
        },
        "commonness" : 0.0625
      } ]
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "frame" : [ {
      "start" : 22,
      "end" : 30,
      "value" : [ {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 128470
        },
        "commonness" : 0.4673913043478261
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 12481396
        },
        "commonness" : 0.25
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 246066
        },
        "commonness" : 0.25
      }, {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 60163
        },
        "commonness" : 0.03260869565217391
      } ]
    }, {
      "start" : 31,
      "end" : 48,
      "value" : [ {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 44509
        },
        "commonness" : 0.8409090909090909
      }, {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 4535401
        },
        "commonness" : 0.1590909090909091
      } ]
    }, {
      "start" : 50,
      "end" : 60,
      "value" : [ {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 3823761
        },
        "commonness" : 1.0
      } ]
    } ]
  }
} ]

Word sense disambiguation

Detects the most appropriate meanings (concepts) for terms occurred in a given text.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

disambiguated-phrase

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=disambiguated-phrase&apikey=YOUR_KEY"
json
[ {
  "text" : "iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation.",
  "annotations" : {
    "disambiguated-phrase" : [ {
      "start" : 29,
      "end" : 42,
      "value" : {
        "kb-name" : "enwiki",
        "id" : 50595
      }
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "disambiguated-phrase" : [ {
      "start" : 22,
      "end" : 30,
      "value" : {
        "kb-name" : "ruwiki",
        "id" : 128470
      }
    }, {
      "start" : 31,
      "end" : 48,
      "value" : {
        "kb-name" : "ruwiki",
        "id" : 44509
      }
    }, {
      "start" : 50,
      "end" : 60,
      "value" : {
        "kb-name" : "ruwiki",
        "id" : 3823761
      }
    } ]
  }
} ]

Key concepts detection

Key concepts are the concepts providing short (conceptual) and informative text description. This service extracts a set of key concepts for a given text.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

keyconcepts

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=keyconcepts&apikey=YOUR_KEY"
json
[ {
  "text" : "iMac now supports PCIe-based flash storage, making its Fusion Drive and all-flash storage options up to 50 percent faster than the previous generation.",
  "annotations" : {
    "keyconcepts" : [ {
      "start" : 0,
      "end" : 151,
      "value" : [ {
        "concept" : {
          "kb-name" : "enwiki",
          "id" : 50595
        },
        "weight" : 2.0
      } ]
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "keyconcepts" : [ {
      "start" : 0,
      "end" : 74,
      "value" : [ {
        "concept" : {
          "kb-name" : "ruwiki",
          "id" : 3823761
        },
        "weight" : 2.0
      }, {
        "concept" : {
          "kb-name" : "ruwiki",
          "id" : 44509
        },
        "weight" : 1.0
      }, {
        "concept" : {
          "kb-name" : "ruwiki",
          "id" : 128470
        },
        "weight" : 1.0
      } ]
    } ]
  }
} ]

Domain detection

Detects the most appropriate domain for the given text. Currently only 2 specific domains are supported:

  • movie

  • politics

If no domain from this list has been detected, the text is assumed to be no domain, or general domain.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "Both candidates are unable to tell the difference between the Republican Guard and the Revolutionary Guard."
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%."
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

domain

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"Both candidates are unable to tell the difference between the Republican Guard and the Revolutionary Guard.\" }, { \"text\" : \"Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=domain&apikey=YOUR_KEY"
json
[ {
  "text" : "Both candidates are unable to tell the difference between the Republican Guard and the Revolutionary Guard.",
  "annotations" : {
    "domain" : [ {
      "start" : 0,
      "end" : 107,
      "value" : "politics"
    } ]
  }
}, {
  "text" : "Согласно официальному прогнозу Минэкономразвития, ВВП России упадет на 3%.",
  "annotations" : {
    "domain" : [ {
      "start" : 0,
      "end" : 74,
      "value" : "general"
    } ]
  }
} ]

Sentiment analysis Services

Subjectivity detection

Detects whether the given text is subjective or not.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "mentioning veterens care which Mccain has voted AGAINST - SUPER GOOOOD point Obama+1 #tweetdebate"
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

subjectivity

tweet

Forces texts to be intterpreted as tweets

required

Query

Boolean

true

domain

Specifies domain (auto-detect if not provided)

optional

Query

{general, movie, politics}

general

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"mentioning veterens care which Mccain has voted AGAINST - SUPER GOOOOD point Obama+1 #tweetdebate\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=subjectivity&tweet=true&domain=general&apikey=YOUR_KEY"
json
[ {
  "text" : "mentioning veterens care which Mccain has voted AGAINST - SUPER GOOOOD point Obama+1 #tweetdebate",
  "annotations" : {
    "subjectivity" : [ {
      "start" : 0,
      "end" : 97
    } ]
  }
} ]

Sentiment polarity detection

Detects whether the given text has positive, negative or no sentiment.

Method and entrypoint

POST nlp
Request Body
[ {
  "text" : "mentioning veterens care which Mccain has voted AGAINST - SUPER GOOOOD point Obama+1 #tweetdebate"
} ]
Request Parameters
Name Description Requirement Type Value Example

targetType

Specifies a desired annotation type in the response

required

Query

Annotation Type

polarity

tweet

Forces texts to be intterpreted as tweets

required

Query

Boolean

true

domain

Specifies domain (auto-detect if not provided)

optional

Query

{general, movie, politics}

general

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "[ { \"text\" : \"mentioning veterens care which Mccain has voted AGAINST - SUPER GOOOOD point Obama+1 #tweetdebate\" } ]" "http://api.ispras.ru/texterra/v1/nlp?targetType=polarity&tweet=true&domain=general&apikey=YOUR_KEY"
json
[ {
  "text" : "mentioning veterens care which Mccain has voted AGAINST - SUPER GOOOOD point Obama+1 #tweetdebate",
  "annotations" : {
    "polarity" : [ {
      "start" : 0,
      "end" : 97,
      "value" : "POSITIVE"
    } ]
  }
} ]

Term info Services

Terms and features

Determines if Knowledge base contains the specified terms and computes features of the specified types for them.

Available feature types:

  • term just represents presence of corresponding term in Knowledge base.

  • commonness represents meanings of corresponding term associated with their prior probabilities.

  • info-measure represents corresponding term specificity.

Method and entrypoint

POST representation/terms
Request Body
{
  "text" : "An economic and tourism boom following statehood brought rapid economic growth to Majuro.",
  "annotations" : {
    "term-candidate" : [ {
      "start" : 16,
      "end" : 28
    }, {
      "start" : 82,
      "end" : 88
    } ]
  }
}
Request Parameters
Name Description Requirement Type Value Example

featureType

Specifies types of features required to compute

required, multiple

Query

{term, commonness, info-measure}

[term, commonness, info-measure]

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: application/json"  -d "{ \"text\" : \"An economic and tourism boom following statehood brought rapid economic growth to Majuro.\", \"annotations\" : { \"term-candidate\" : [ { \"start\" : 16, \"end\" : 28 }, { \"start\" : 82, \"end\" : 88 } ] } }" "http://api.ispras.ru/texterra/v1/representation/terms?featureType=term&featureType=commonness&featureType=info-measure&apikey=YOUR_KEY"
json
{
  "text" : "An economic and tourism boom following statehood brought rapid economic growth to Majuro.",
  "annotations" : {
    "term" : [ {
      "start" : 82,
      "end" : 88
    } ],
    "commonness" : [ {
      "start" : 82,
      "end" : 88,
      "value" : [ {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 57037
        },
        "commonness" : 0.9500891265597148
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 7104892
        },
        "commonness" : 0.049910873440285206
      } ]
    } ],
    "info-measure" : [ {
      "start" : 82,
      "end" : 88,
      "value" : 0.5626880526542664
    } ]
  }
}

Terms search and features

Determines terms contained in Knowledge base and computes features of the specified types for them.

Available feature types:

  • term just represents presence of corresponding term in Knowledge base.

  • commonness represents meanings of corresponding term associated with their prior probabilities.

  • info-measure represents corresponding term specificity.

Method and entrypoint

POST representation/allTerms
Request Body
Heine works in Majuro
Request Parameters
Name Description Requirement Type Value Example

featureType

Specifies types of features required to compute

required, multiple

Query

{term, commonness, info-measure}

[term, commonness, info-measure]

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XPOST -H "Accept: application/json"  -H "Content-Type: text/plain"  -d "Heine works in Majuro" "http://api.ispras.ru/texterra/v1/representation/allTerms?featureType=term&featureType=commonness&featureType=info-measure&apikey=YOUR_KEY"
json
{
  "text" : "Heine works in Majuro",
  "annotations" : {
    "term" : [ {
      "start" : 0,
      "end" : 5
    }, {
      "start" : 6,
      "end" : 11
    }, {
      "start" : 6,
      "end" : 14
    }, {
      "start" : 12,
      "end" : 14
    }, {
      "start" : 15,
      "end" : 21
    } ],
    "commonness" : [ {
      "start" : 0,
      "end" : 5,
      "value" : [ {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 3119703
        },
        "commonness" : 0.2751677852348993
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 104641
        },
        "commonness" : 0.4966442953020134
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 323305
        },
        "commonness" : 0.22818791946308725
      } ]
    }, {
      "start" : 6,
      "end" : 11,
      "value" : [ {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 1483291
        },
        "commonness" : 0.003601440576230492
      }, {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 5058918
        },
        "commonness" : 0.15714285714285714
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 491819
        },
        "commonness" : 0.003001200480192077
      }, {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 4042159
        },
        "commonness" : 0.22857142857142856
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 14885323
        },
        "commonness" : 0.004801920768307323
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 19389176
        },
        "commonness" : 0.007202881152460984
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 3830968
        },
        "commonness" : 0.01020408163265306
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 2583747
        },
        "commonness" : 0.015606242496998799
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 33663
        },
        "commonness" : 0.0078031212484993995
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 14212326
        },
        "commonness" : 0.006602641056422569
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 25705777
        },
        "commonness" : 0.003601440576230492
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 10391760
        },
        "commonness" : 0.012605042016806723
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 22802337
        },
        "commonness" : 0.018607442977190875
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 3616613
        },
        "commonness" : 0.06422569027611044
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 13005472
        },
        "commonness" : 0.006602641056422569
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 479358
        },
        "commonness" : 0.004201680672268907
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 11896315
        },
        "commonness" : 0.003001200480192077
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 523882
        },
        "commonness" : 0.006002400960384154
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 19556716
        },
        "commonness" : 0.01680672268907563
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 1650227
        },
        "commonness" : 0.006002400960384154
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 34572588
        },
        "commonness" : 0.004201680672268907
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 1525436
        },
        "commonness" : 0.029411764705882353
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 149861
        },
        "commonness" : 0.1332533013205282
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 47962
        },
        "commonness" : 0.003601440576230492
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 2562990
        },
        "commonness" : 0.006602641056422569
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 12447476
        },
        "commonness" : 0.029411764705882353
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 38831284
        },
        "commonness" : 0.011404561824729893
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 11792167
        },
        "commonness" : 0.01020408163265306
      }, {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 3703232
        },
        "commonness" : 0.11428571428571428
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 323158
        },
        "commonness" : 0.004801920768307323
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 314993
        },
        "commonness" : 0.05162064825930372
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 18178
        },
        "commonness" : 0.009603841536614645
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 1655145
        },
        "commonness" : 0.005402160864345739
      } ]
    }, {
      "start" : 6,
      "end" : 14,
      "value" : [ {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 366288
        },
        "commonness" : 0.0625
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 1708714
        },
        "commonness" : 0.3125
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 36257782
        },
        "commonness" : 0.3125
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 1886502
        },
        "commonness" : 0.3125
      } ]
    }, {
      "start" : 12,
      "end" : 14,
      "value" : [ {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 74367
        },
        "commonness" : 0.05555555555555555
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 179237
        },
        "commonness" : 0.006372549019607843
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 14775
        },
        "commonness" : 0.09362745098039216
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 21883857
        },
        "commonness" : 0.2269607843137255
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 5656319
        },
        "commonness" : 0.016176470588235296
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 24050869
        },
        "commonness" : 0.045098039215686274
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 4692723
        },
        "commonness" : 0.005392156862745098
      }, {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 1233950
        },
        "commonness" : 0.11904761904761904
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 5869844
        },
        "commonness" : 0.007352941176470588
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 14533
        },
        "commonness" : 0.02107843137254902
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 41268
        },
        "commonness" : 0.003431372549019608
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 225992
        },
        "commonness" : 0.0029411764705882353
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 159658
        },
        "commonness" : 0.043627450980392155
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 1113861
        },
        "commonness" : 0.008333333333333333
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 14749
        },
        "commonness" : 0.014705882352941176
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 253071
        },
        "commonness" : 0.004901960784313725
      }, {
        "meaning" : {
          "kb-name" : "ruwiki",
          "id" : 12299
        },
        "commonness" : 0.3253968253968254
      } ]
    }, {
      "start" : 15,
      "end" : 21,
      "value" : [ {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 57037
        },
        "commonness" : 0.9500891265597148
      }, {
        "meaning" : {
          "kb-name" : "enwiki",
          "id" : 7104892
        },
        "commonness" : 0.049910873440285206
      } ]
    } ],
    "info-measure" : [ {
      "start" : 0,
      "end" : 5,
      "value" : 0.08568142354488373
    }, {
      "start" : 6,
      "end" : 11,
      "value" : 0.012571838684380054
    }, {
      "start" : 6,
      "end" : 14,
      "value" : 2.661034232005477E-4
    }, {
      "start" : 12,
      "end" : 14,
      "value" : 6.084076012484729E-4
    }, {
      "start" : 15,
      "end" : 21,
      "value" : 0.5626880526542664
    } ]
  }
}

Concept info Services

Get attributes

Get attributes for concepts.

Method and entrypoint

GET walker/:concepts
Request Parameters
Name Description Requirement Type Value Example

concepts

Specifies concepts for which attributes should be provided

path/matrix parameter, required, multiple

Path

Concept Identifier

id=12:enwiki;id=9:ruwiki

attribute

Specifies attributes to be included into response.

optional, multiple

Query

Attributes

title

apikey

Authorizes to use the service

required

Query

String (40 chars)

YOUR_KEY

Responses

Request
curl -XGET -H "Accept: application/json"  "http://api.ispras.ru/texterra/v1/walker/id=12:enwiki;id=9:ruwiki?attribute=title&apikey=YOUR_KEY"
json
{
  "9:ruwiki" : {
    "title" : "Россия"
  },
  "12:enwiki" : {
    "title" : "Anarchism"
  }
}

Data types

Concept Identifier

Represents concept from the Knowledge base.

<id>:<kbname>

<id> - concept id

<kbname> - name of Knowledge base

Attributes

Each concept may be associated with some additional information - attributes.

Supported attribute types:

  • coordinates - GPS coordinates

  • definition - brief concept definition

  • url(<language>) - URL to page with description of the given concept on the specified language

    • <language> - optional language code, like: en, de, fr, ko, ru, …​

  • synonym - different textual representations of the concept

  • title - concept title

  • translation(<language>) textual representation of the concept on the specified language

    • <language> - language code, like: en, de, fr, ko, ru, …​

  • type - concept type