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ICGI
2010
Springer

132views Natural Language Processing» more ICGI 2010»

Polynomial-Time Identification of Multiple Context-Free Languages from Positive Data and Membership Queries

13 years 11 months ago

This paper presents an efficient algorithm that identifies a rich subclass of multiple context-free languages in the limit from positive data and membership queries by observing wh...

Ryo Yoshinaka

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24

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VLDB
2007
ACM

155views Database» more VLDB 2007»

Best Position Algorithms for Top-k Queries

14 years 4 months ago

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The general problem of answering top-k queries can be modeled using lists of data items sorted by their local scores. The most efficient algorithm proposed so far for answering to...

Reza Akbarinia, Esther Pacitti, Patrick Valduriez

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32

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COLING
2008

127views Computational Linguistics» more COLING 2008»

PNR2: Ranking Sentences with Positive and Negative Reinforcement for Query-Oriented Update Summarization

13 years 11 months ago

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Query-oriented update summarization is an emerging summarization task very recently. It brings new challenges to the sentence ranking algorithms that require not only to locate th...

Wenjie Li, Furu Wei, Qin Lu, Yanxiang He

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28

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RIAO
2004

106views Information Technology» more RIAO 2004»

Combining Positive and Negative Query Feedback in Passage Retrieval

13 years 11 months ago

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Information Retrieval Systems aim at retrieving relevant documents according to the information needs which users express. Most Information Retrieval Systems focus on passage retr...

Taoufiq Dkaki, Josiane Mothe

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16

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APWEB
2006
Springer

93views Internet Technology» more APWEB 2006»

Positioning-Based Query Translation Between SQL and XQL with Location Counter

14 years 1 months ago