69 search results - page 10 / 14 » Query Planning for Searching Inter-dependent Deep-Web Databa... |
SIGMOD
1995
ACM
15 years 1 months ago
1995
ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
Abstract— Modern database management systems (DBMS) answer a multitude of complex queries on increasingly larger datasets. Given the complexities of the queries and the numerous ...
172
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GIS
2008
ACM
15 years 10 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
88
Voted
EDBT
2004
ACM
15 years 9 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
116
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PUK
2003
14 years 11 months ago
2003
This paper exploits the spatial representation of state space problem graphs to preprocess and enhance heuristic search engines. It combines classical AI exploration with computati...