720 search results - page 25 / 144 » Positional language models for information retrieval |
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
A weakly-supervised extraction method identifies concepts within conceptual hierarchies, at the appropriate level of specificity (e.g., Bank vs. Institution), to which attribute...
105
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IJCNLP
2004
Springer
15 years 3 months ago
2004
Springer
In this paper, a series of window-based methods is proposed for information retrieval. Compared with traditional tf-idf model, our approaches are based on two new key notions. The ...
87
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ICALP
2005
Springer
15 years 3 months ago
2005
Springer
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...
DELOS
2001
14 years 11 months ago
2001
Personalisation in full text retrieval or full text filtering implies reweighting of the query terms based on some explicit or implicit feedback from the user. Relevance feedback i...
104
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SIGIR
2012
ACM
13 years 3 days ago
2012
ACM
The intent-oriented search diversification methods developed in the field so far tend to build on generative views of the retrieval system to be diversified. Core algorithm compon...