3891 search results - page 33 / 779 » Query Models |
PVLDB
2010
13 years 8 months ago
2010
Range queries based on L1 distance are a common type of queries in multimedia databases containing feature vectors. We propose a novel approach that transforms the feature space i...
TKDE
2012
12 years 8 days ago
2012
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
CIKM
2003
Springer
14 years 3 months ago
2003
Springer
We explore the relationship between time and relevance using TREC ad-hoc queries. A type of query is identified that favors very recent documents. We propose a time-based language...
ECIR
2007
Springer
13 years 11 months ago
2007
Springer
An expert finding is a very common task among enterprise search activities, while its usual retrieval performance is far from the quality of the Web search. Query modeling helps t...
ICADL
2005
Springer
14 years 3 months ago
2005
Springer
Metadata IR model has high precision and low recall because the query in Metadata IR model is strict that is, the query can express user information need exactly, while Full-text I...