5954 search results - page 196 / 1191 » Querying Bi-level Information |
180
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ADBIS
2004
Springer
15 years 12 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
169
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LATIN
2010
Springer
16 years 1 months ago
2010
Springer
For a static array A of n totally ordered objects, a range minimum query asks for the position of the minimum between two specified array indices. We show how to preprocess A into...
170
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DAWAK
2004
Springer
15 years 10 months ago
2004
Springer
Abstract. In this paper, we present a fast algorithm to answer rangesum queries in OLAP data cubes. Our algorithm supports constanttime queries while maintaining sub-linear time up...
176
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COSIT
1995
Springer
15 years 10 months ago
1995
Springer
: Spatial relations are becoming an important aspect of spatial access methods because of the increasing interest on qualitative spatial information processing. In this paper we sh...
196
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BNCOD
2009
15 years 7 months ago
2009
Abstract. Database systems (DBSs) can play an essential role in facilitating the query and cache management in context-aware mobile information systems (CAMIS). Two of the fundamen...