469 search results - page 90 / 94 » Cluster-based query expansion |
DEBU
2007
13 years 9 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
2009
ACM
14 years 4 months ago
2009
ACM
We examine two basic sources for implicit relevance feedback on the segment level for search personalization: eye tracking and display time. A controlled study has been conducted ...
ICPP
2007
IEEE
14 years 4 months ago
2007
IEEE
Gnutella overlays have evolved to use a two-tier topology. However, we observed that the new topology had only achieved modest improvements in search success rates. Also, the new ...
CIKM
2005
Springer
14 years 3 months ago
2005
Springer
Information retrieval systems (e.g., web search engines) are critical for overcoming information overload. A major deficiency of existing retrieval systems is that they generally...
MM
2004
ACM
14 years 3 months ago
2004
ACM
Relevance feedback has been proposed as an important technique to boost the retrieval performance in content-based image retrieval (CBIR). However, since there exists a semantic g...