99 search results - page 6 / 20 » Fast query expansion using approximations of relevance model... |
DEBU
2007
13 years 6 months ago
2007
An indexing model is the heart of an Information Retrieval (IR) system. Data structures such as term based inverted indices have proved to be very effective for IR using vector sp...
SIGIR
2008
ACM
13 years 6 months ago
2008
ACM
The primary business model behind Web search is based on textual advertising, where contextually relevant ads are displayed alongside search results. We address the problem of sel...
FQAS
2006
Springer
13 years 10 months ago
2006
Springer
Searchers' difficulty in formulating effective queries for their information needs is well known. Analysis of search session logs shows that users often pose short, vague quer...
ERCIMDL
2007
Springer
14 years 27 days ago
2007
Springer
We propose and evaluate a query expansion mechanism that supports searching and browsing in collections of annotated documents. Based on generative language models, our feedback me...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...