2151 search results - page 248 / 431 » Using Document Dimensions for Enhanced Information Retrieval |
129
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SIGIR
2009
ACM
15 years 11 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
131
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SIGIR
2008
ACM
15 years 4 months ago
2008
ACM
Pseudo-relevance feedback assumes that most frequent terms in the pseudo-feedback documents are useful for the retrieval. In this study, we re-examine this assumption and show tha...
124
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IRAL
2003
ACM
15 years 10 months ago
2003
ACM
Text categorization, as an essential component of applications for user navigation on the World Wide Web using QuestionAnswering in Japanese, requires more effective features for ...
141
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SIGIR
2008
ACM
15 years 4 months ago
2008
ACM
In most IR clustering problems, we directly cluster the documents, working in the document space, using cosine similarity between documents as the similarity measure. In many real...
148
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CIKM
2010
Springer
15 years 3 months ago
2010
Springer
We present a method for automated topic suggestion. Given a plain-text input document, our algorithm produces a ranking of novel topics that could enrich the input document in a m...