23 search results - page 1 / 5 » When documents are very long, BM25 fails! |
SIGIR
2011
ACM
12 years 7 months ago
2011
ACM
We reveal that the Okapi BM25 retrieval function tends to overly penalize very long documents. To address this problem, we present a simple yet effective extension of BM25, namel...
CIKM
2011
Springer
12 years 4 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
TREC
2004
13 years 6 months ago
2004
The quality of an information retrieval system heavily depends on its retrieval function, which returns a similarity measurement between the query and each document in the collect...
INFOCOM
2006
IEEE
13 years 10 months ago
2006
IEEE
—Many applications require fast data transfer over high speed and long distance networks. However, standard TCP fails to fully utilize the network capacity due to the limitation ...
DGO
2003
13 years 6 months ago
2003
In environments containing many text search engines a federated search system provides people with a single point of access. When search engines are managed by independent organiz...