NAMED ENTITY EXTRACTION SYSTEM, NAMED ENTITY EXTRACTION METHOD, AND NAMED ENTITY EXTRACTION PROGRAM
To add a highly consistent named entity label to a text.SOLUTION: A named entity extraction system for extracting a named entity from an input text includes: a named entity estimation unit which estimates a named entity to be added to each word included in the input text; a word pair extraction unit...
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Sprache: | eng ; jpn |
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Zusammenfassung: | To add a highly consistent named entity label to a text.SOLUTION: A named entity extraction system for extracting a named entity from an input text includes: a named entity estimation unit which estimates a named entity to be added to each word included in the input text; a word pair extraction unit which extracts a word pair from the input text; a feature quantity measurement unit which measures feature quantities of words of the word pair extracted by the word pair extraction unit; and a named entity consistency estimation unit which estimates, on the basis of the feature quantities measured by the feature quantity measurement unit, whether the named entity to be added to each word and estimated by the named entity estimation unit is consistent or not.SELECTED DRAWING: Figure 2
【課題】テキストに対してより一貫性が高い固有表現ラベルを付与する。【解決手段】入力テキストから固有表現を抽出する固有表現抽出システムは、入力テキストに含まれる各単語に付与される固有表現を推定する固有表現推定部と、入力テキストから単語対を抽出する単語対抽出部と、単語対抽出部によって抽出された単語対の各単語の特徴量を計測する特徴量計測部と、特徴量計測部によって計測された特徴量に基づいて、固有表現推定部によって推定された単語対の各単語に付与される固有表現に一貫性があるか否かを推定する固有表現一貫性推定部とを有する。【選択図】図2 |
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