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CIKM
2009
Springer
16 years 1 months ago
Supervised semantic indexing
We present a class of models that are discriminatively trained to directly map from the word content in a query-document or documentdocument pair to a ranking score. Like Latent Se...
Bing Bai, Jason Weston, David Grangier, Ronan Coll...
CIKM
2009
Springer
16 years 1 months ago
Location cache for web queries
This paper proposes a strategy to reduce the amount of hardware involved in the solution of search engine queries. It proposes using a secondary compact cache that keeps minimal i...
Mauricio Marín, Flavio Ferrarotti, Marcelo ...
CIKM
2009
Springer
16 years 1 months ago
The effect of negation on sentiment analysis and retrieval effectiveness
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
Lifeng Jia, Clement T. Yu, Weiyi Meng
CIKM
2009
Springer
16 years 1 months ago
Text segmentation via topic modeling: an analytical study
In this paper, the task of text segmentation is approached from a topic modeling perspective. We investigate the use of latent Dirichlet allocation (LDA) topic model to segment a ...
Hemant Misra, François Yvon, Joemon M. Jose...
CIKM
2009
Springer
16 years 1 months ago
Leveraging a scalable row store to build a distributed text index
Many content-oriented applications require a scalable text index. Building such an index is challenging. In addition to the logic of inserting and searching documents, developers ...
Ning Li, Jun Rao, Eugene J. Shekita, Sandeep Tata