3151 search results - page 213 / 631 » Using query term order for result summarisation |
155
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VLDB
2007
ACM
15 years 11 months ago
2007
ACM
Efficient management of RDF data is an important factor in realizing the Semantic Web vision. Performance and scalability issues are becoming increasingly pressing as Semantic Web...
126
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SDMW
2004
Springer
15 years 10 months ago
2004
Springer
For many data providers, the “crown jewels” of their business are the data that they have organized. If someone could copy their entire database, it would be a competitive cata...
158
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CIVR
2008
Springer
15 years 6 months ago
2008
Springer
Various query methods for video search exist. Because of the semantic gap each method has its limitations. We argue that for effective retrieval query methods need to be combined ...
242
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PODS
2009
ACM
16 years 5 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
138
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GIS
2007
ACM
15 years 9 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...