618 search results - page 79 / 124 » A Graph-Based Approach for Modeling and Indexing Video Data |
166
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CIKM
2009
Springer
16 years 17 days ago
2009
Springer
Topic-based text summaries promise to help average users quickly understand a text collection and derive insights. Recent research has shown that the Latent Dirichlet Allocation (...
185
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...
174
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SIGIR
2004
ACM
15 years 11 months ago
2004
ACM
Noun phrases in queries are identified and classified into four types: proper names, dictionary phrases, simple phrases and complex phrases. A document has a phrase if all content...
197
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CORR
2010
Springer
15 years 26 days ago
2010
Springer
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activ...
158
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IPTPS
2005
Springer
15 years 11 months ago
2005
Springer
Arpeggio is a peer-to-peer file-sharing network based on the Chord lookup primitive. Queries for data whose metadata matches a certain criterion are performed efficiently by using...