641 search results - page 80 / 129 » Studying Query Expansion Effectiveness |
VLDB
2010
ACM
13 years 8 months ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
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...
JMLR
2008
13 years 10 months ago
2008
We consider a hierarchy of queries about causal relationships in graphical models, where each level in the hierarchy requires more detailed information than the one below. The hie...
SIGIR
1998
ACM
14 years 2 months ago
1998
ACM
We investigate an automatic method for Cross Language Information Retrieval (CLIR) that utilizes the multilingual UMLS Metathesaurus to translate Spanish and French natural languag...
IJCNLP
2004
Springer
14 years 3 months ago
2004
Springer
The performance of Information Retrieval in the Question Answering system is not satisfactory from our experiences in TREC QA Track. In this article, we take a comparative study t...