770 search results - page 36 / 154 » An Approach to Querying Multiple Object Databases |
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
SIGMOD
2002
ACM
15 years 10 months ago
2002
ACM
We present a continuously adaptive, continuous query (CACQ) implementation based on the eddy query processing framework. We show that our design provides significant performance b...
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Abstract. Comparison of images requires a distance metric that is sensitive to the spatial location of objects and features. Such sensitive distance measures can, however, be compu...
155
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
In this paper, we study a new type of spatial query, Nearest Surrounder (NS), which searches the nearest surrounding spatial objects around a query point. NS query can be more use...
184
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ICDE
2001
IEEE
15 years 11 months ago
2001
IEEE
In this paper, we develop a general framework for approximate nearest neighbor queries. We categorize the current approaches for nearest neighbor query processing based on either ...