3319 search results - page 295 / 664 » Type Theoretical Databases |
214
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ICDE
2006
IEEE
16 years 4 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...
234
Voted
ICDE
2000
IEEE
16 years 4 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
213
Voted
ICDE
1995
IEEE
16 years 4 months ago
1995
IEEE
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
134
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WWW
2005
ACM
16 years 4 months ago
2005
ACM
The Semantic Web languages RDFS and OWL have been around for some time now. However, the presence of these languages has not brought the breakthrough of the Semantic Web the creat...
123
Voted
WWW
2004
ACM
16 years 4 months ago
2004
ACM
In many Web search applications, similarities between objects of one type (say, queries) can be affected by the similarities between their interrelated objects of another type (sa...