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W2GIS
2005
Springer
15 years 10 months ago
The Self-relocating Index Scheme for Telematics GIS
The history management of vehicles is important in telematics applications. To process queries for history data, trajectories, we generally use trajectory-preserving index schemes ...
Duksung Lim, Bonghee Hong, Daesoo Cho
158
Voted
COOPIS
2003
IEEE
15 years 10 months ago
Ontology Based Query Processing in Database Management Systems
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
Chokri Ben Necib, Johann Christoph Freytag
135
Voted
DL
1998
Springer
15 years 8 months ago
An Extensible Constructor Tool for the Rapid, Interactive Design of Query Synthesizers
We describe an extensible constructor tool that helps information experts (e.g., librarians) create specialized query synthesizers for heterogeneous digital-library environments. ...
Michelle Q. Wang Baldonado, Seth Katz, Andreas Pae...
140
Voted
DL
1997
Springer
117views Digital Library» more  DL 1997»
15 years 8 months ago
Evaluating the Cost of Boolean Query Mapping
Non-uniform query languages make searching over heterogeneous information sources difficult. Our approach is to allow a user to compose Boolean queries in one rich front-end lang...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
EDBTW
2006
Springer
15 years 8 months ago
Dynamic Plan Migration for Snapshot-Equivalent Continuous Queries in Data Stream Systems
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
Jürgen Krämer, Yin Yang, Michael Cammert...