2853 search results - page 398 / 571 » On the Efficiency of Provenance Queries |
145
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SIGIR
2000
ACM
15 years 11 months ago
2000
ACM
The retrieval of stored images matching an input configuration is an important form of content-based retrieval. Exhaustive processing (i.e., retrieval of the best solutions) of co...
168
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
176
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
Several techniques that compute the join between two spatial datasets have been proposed during the last decade. Among these methods, some consider existing indices for the joined...
183
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ICMCS
1999
IEEE
15 years 10 months ago
1999
IEEE
In this paper, we propose an original indexing by shape of image databases based on extended grid files. We first introduce a recently developed shape description method and tailo...
154
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KDD
1994
ACM
15 years 10 months ago
1994
ACM
Oneof the mainobstacles in applying data mining techniques to large, real-world databasesis the lack of efficient data management.In this paper, wepresent the design and implement...