2095 search results - page 191 / 419 » Modeling and Querying Semi-structured Data |
193
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ICDE
2005
IEEE
16 years 5 days 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...
182
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MIDDLEWARE
2005
Springer
16 years 1 days ago
2005
Springer
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
205
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ICOODB
2009
15 years 4 months ago
2009
The integration of database and programming languages is made difficult by the different data models and type systems prevalent in each field. Functional-object query languages con...
161
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DBPL
1999
Springer
15 years 10 months ago
1999
Springer
Linear constraint databases and query languages are appropriate for spatial database applications. Not only the data model is natural to represent a large portion of spatial data s...
174
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DAWAK
2005
Springer
16 years 2 days ago
2005
Springer
In heterogeneous data warehousing environments, autonomous data sources are integrated into a materialized integrated database. The schemas of the data sources and the integrated ...