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CIKM
2009
Springer
16 years 1 months ago
Topic and keyword re-ranking for LDA-based topic modeling
Topic-based text summaries promise to help average users quickly understand a text collection and derive insights. Recent research has shown that the Latent Dirichlet Allocation (...
Yangqiu Song, Shimei Pan, Shixia Liu, Michelle X. ...
CIKM
2009
Springer
16 years 1 months ago
A machine learning approach for improved BM25 retrieval
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
Krysta Marie Svore, Christopher J. C. Burges
CIKM
2009
Springer
16 years 1 months ago
AS-index: a structure for string search using n-grams and algebraic signatures
AS-Index is a new index structure for exact string search in disk resident databases. It uses hashing, unlike known alternate structures, tree or trie based, and indexes every n-g...
Cédric du Mouza, Witold Litwin, Philippe Ri...
CIKM
2009
Springer
16 years 1 months ago
Relying on topic subsets for system ranking estimation
Ranking a number of retrieval systems according to their retrieval effectiveness without relying on costly relevance judgments was first explored by Soboroff et al [6]. Over th...
Claudia Hauff, Djoerd Hiemstra, Franciska de Jong,...
CIKM
2009
Springer
16 years 1 months ago
Web search result summarization: title selection algorithms and user satisfaction
Eye tracking experiments have shown that titles of Web search results play a crucial role in guiding a user’s search process. We present a machine-learned algorithm that trains ...
Tapas Kanungo, Nadia Ghamrawi, Ki Yuen Kim, Lawren...