500 search results - page 39 / 100 » Document frequency and term specificity |
SIGIR
2005
ACM
14 years 4 months ago
2005
ACM
Context influences the search process, but to date research has not definitively identified which aspects of context are the most influential for information retrieval, and thus a...
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
BMCBI
2010
13 years 11 months ago
2010
Background: Several tools have been developed to explore and search Gene Ontology (GO) databases allowing efficient GO enrichment analysis and GO tree visualization. Nevertheless,...
EACL
2006
ACL Anthology
14 years 11 days ago
2006
ACL Anthology
GOD (General Ontology Discovery) is an unsupervised system to extract semantic relations among domain specific entities and concepts from texts. Operationally, it acts as a search...
WEBI
2005
Springer
14 years 4 months ago
2005
Springer
Search engines are powerful tools to find information on the Web. However, they commonly return a lot of irrelevant documents when the users’ queries are not specific enough. To...