1452 search results - page 191 / 291 » The Effectiveness of Query Expansion for Distributed Informa... |
CIVR
2010
Springer
13 years 11 months ago
2010
Springer
One of the main challenges in interactive concept-based video search is the insufficient relevant sample problem, especially for queries with complex semantics. To address this pr...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Many museum and library archives are digitizing their large collections of handwritten historical manuscripts to enable public access to them. These collections are only available...
MM
2003
ACM
14 years 1 months ago
2003
ACM
When querying a news video archive, the users are interested in retrieving precise answers in the form of a summary that best answers the query. However, current video retrieval s...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
GIS
2005
ACM
14 years 9 months ago
2005
ACM
An interesting issue in moving objects databases is to find similar trajectories of moving objects. Previous work on this topic focuses on movement patterns (trajectories with tim...