562 search results - page 22 / 113 » Term Selection and Query Operations for Video Retrieval |
125
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SIGIR
2009
ACM
15 years 6 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
MM
2009
ACM
15 years 6 months ago
2009
ACM
In this technical demonstration we show a web video search engine based on ontologies, the Sirio1 system, that has been developed within the EU VidiVideo project. The goal of the ...
113
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MIR
2004
ACM
15 years 5 months ago
2004
ACM
This paper describes revised content-based search experiments in the context of TRECVID 2003 benchmark. Experiments focus on measuring content-based video retrieval performance wi...
138
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ICMCS
1999
IEEE
15 years 4 months ago
1999
IEEE
The Informedia Digital Video Library contains over 1200 hours of video. Through automatic processing, descriptors are derived for the video to improve library access. A new extens...
126
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DASFAA
2006
IEEE
15 years 5 months ago
2006
IEEE
Efficient full-text keyword search remains a challenging problem in P2P systems. Most of the traditional keyword search systems on DHT overlay networks perform the join operation ...