562 search results - page 49 / 113 » Term Selection and Query Operations for Video Retrieval |
145
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KDD
2004
ACM
16 years 4 months ago
2004
ACM
Recent years have witnessed a dramatic increase in the quantity of image data collected, due to advances in fields such as medical imaging, reconnaissance, surveillance, astronomy...
117
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SIGIR
2010
ACM
15 years 3 months ago
2010
ACM
We present a novel approach to query reformulation which combines syntactic and semantic information by means of generalized Levenshtein distance algorithms where the substitution...
114
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AIRS
2006
Springer
15 years 7 months ago
2006
Springer
This paper compares the utilization of ConceptNet and WordNet in query expansion. Spreading activation selects candidate terms for query expansion from these two resources. Three m...
131
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WWW
2003
ACM
16 years 4 months ago
2003
ACM
In contrast to traditional document retrieval, a web page as a whole is not a good information unit to search because it often contains multiple topics and a lot of irrelevant inf...
147
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SIGMOD
2003
ACM
16 years 3 months ago
2003
ACM
Spatial database operations are typically performed in two steps. In the filtering step, indexes and the minimum bounding rectangles (MBRs) of the objects are used to quickly dete...