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Author:

Du, YongPing (Du, YongPing.) (Scholars:杜永萍) | He, Ming (He, Ming.) | Ye, Naiwen (Ye, Naiwen.)

Indexed by:

CPCI-S

Abstract:

The reading comprehension (RC) task-accepting arbitrary text input (a story) and answering questions about it. The RC system needs to draw upon external knowledge sources to achieve deep analysis of passage sentences for answer sentence extraction. This paper proposes an approach towards RC that attempts to utilize semantic information to improve performance beyond the baseline set by the bag-of-words (BOW) approach. Our approach emphasizes matching of linguistic features (i.e. verbs, named entities and base noun phrases) and semantic extending for answer sentence extraction. The approach gave improved RC performance in the Remedia corpus, attaining HumSent accuracies of 41.3%. In particular, performance analysis shows that a relative performance of 19.7% is due to the application of linguistic feature matching and a further 10.3% is due to the semantic extending.

Keyword:

reading comprehension natural language processing

Author Community:

  • [ 1 ] [Du, YongPing]Beijing Univ Technol, Inst Comp Sci, Beijing 100022, Peoples R China
  • [ 2 ] [He, Ming]Beijing Univ Technol, Inst Comp Sci, Beijing 100022, Peoples R China
  • [ 3 ] [Ye, Naiwen]Beijing Univ Technol, Inst Comp Sci, Beijing 100022, Peoples R China

Reprint Author's Address:

  • 杜永萍

    [Du, YongPing]Beijing Univ Technol, Inst Comp Sci, Beijing 100022, Peoples R China

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Source :

ADVANCED INTELLIGENT COMPUTING THEORIES AND APPLICATIONS: WITH ASPECTS OF THEORETICAL AND METHODOLOGICAL ISSUES

ISSN: 0302-9743

Year: 2007

Volume: 4681

Page: 711-,

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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