537 search results - page 22 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
PDPTA
1996
13 years 9 months ago
1996
The problem of eciently retrieving and ranking documents from a huge collection according to their relevance to a research topic is addressed. A broad class of queries is de ned a...
CIVR
2004
Springer
14 years 1 months ago
2004
Springer
Most image retrieval systems only allow a fragment of text or an example image as a query. Most users have more complex information needs that are not easily expressed in either of...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
Community QA portals provide an important resource for non-factoid question-answering. The inherent noisiness of user-generated data makes the identification of high-quality cont...
CLEF
2007
Springer
14 years 1 months ago
2007
Springer
We describe cross language retrieval experiments using Amharic queries and English language document collection from our participation in the bilingual ad hoc track at the CLEF 20...
TKDE
2008
13 years 7 months ago
2008
In this paper, we propose an image semantic model based on the knowledge and criteria in the field of linguistics and taxonomy. Our work bridges the "semantic gap" by sea...