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AMW
2009
15 years 4 months ago
Bi-Level Mapping: Combining Schema and Data Level Heterogeneity in Peer Data Sharing Systems
Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...
Md. Anisur Rahman, Mehedi Masud, Iluju Kiringa, Ab...
102
Voted
JDM
2000
128views more  JDM 2000»
15 years 3 months ago
Distributed Database Design for Mobile Geographical Applications
Advanced Traveler Information Systems (ATIS) require e cient information retrieval and updating in a dynamic environment at di erent geographical scales. ATIS applications are use...
Manhoi Choy, Mei-Po Kwan, Hong Va Leong
VLDB
1998
ACM
94views Database» more  VLDB 1998»
15 years 8 months ago
Issues in Developing Very Large Data Warehouses
The size of The Boeing Company posts some stringent requirements on data warehouse design and implementation. We summarize four interesting and challenging issues in developing ve...
Lyman Do, Pamela Drew, Wei Jin, Vish Jumani, David...
GI
2008
Springer
15 years 4 months ago
Semi-Automatic Ontology Engineering in Business Applications
: Search technology can be applied to many applications and is in the heart of always growing information society. A promising new development is the use of ontologies to enable se...
Felix Burkhardt, Jon Atle Gulla, Jin Liu, Christia...
118
Voted
GIS
1995
ACM
15 years 7 months ago
Measuring the Complexity of Polygonal Objects
Polygonal objects are characterized by the following well-known parameters: number of vertices, area, perimeter and so on. These parameters describe the data sets that are used in...
Thomas Brinkhoff, Hans-Peter Kriegel, Ralf Schneid...