2067 search results - page 129 / 414 » Modeling and exploiting query interactions in database syste... |
122
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SDB
1995
15 years 8 months ago
1995
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....
111
Voted
WEBDB
1999
Springer
15 years 9 months ago
1999
Springer
Accessing and integrating data from heterogeneous sources has become a significant challenge. So-called adapters provide the functionality for translating SQL queries into querie...
247
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ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
Scientific and intelligence applications have special data handling needs. In these settings, data does not fit the standard model of short coded records that had dominated the dat...
129
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WEBDB
2010
Springer
15 years 10 months ago
2010
Springer
Wikipedia has become an important source of information which is growing very rapidly. However, the existing infrastructure for querying this information is limited and often igno...
162
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ICDE
2005
IEEE
15 years 10 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...