716 search results - page 37 / 144 » Optimizing Queries in Extended Relational Databases |
ICWE
2009
Springer
15 years 5 months ago
2009
Springer
DeXIN (Distributed extended XQuery for data INtegration) integrates multiple, heterogeneous, highly distributed and rapidly changing web data sources in different formats, e.g. XML...
101
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BDA
2007
15 years 20 days ago
2007
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
184
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GIS
2005
ACM
16 years 7 days ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
IADIS
2004
15 years 18 days ago
2004
Internet has changed many aspects of our society, transforming it in e-society, and is having special importance in business world, Internet has converted business in e-business. ...
105
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EDBT
2009
ACM
15 years 6 months ago
2009
ACM
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...