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» Inverting schema mappings
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CIKM
2009
Springer
14 years 2 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
DLOG
2007
13 years 10 months ago
Retrospective on Clio: Schema Mapping and Data Exchange in Practice
Clio is a joint research project between the University of Toronto and IBM Almaden Research Center started in 1999 to address both foundational and systems issues related to the ma...
Renée J. Miller
DEXA
2007
Springer
154views Database» more  DEXA 2007»
14 years 1 months ago
Performance Oriented Schema Matching
Abstract. Semantic matching of schemas in heterogeneous data sharing systems is time consuming and error prone. Existing mapping tools employ semi-automatic techniques for mapping ...
Khalid Saleem, Zohra Bellahsene, Ela Hunt
AMW
2009
13 years 8 months ago
Checking Containment of Schema Mappings (Preliminary Report)
In data exchange, data are materialised from a source schema to a target schema, according to suitable source-to-target constraints. Constraints are also expressed on the target sc...
Andrea Calì, Riccardo Torlone
EDBTW
2006
Springer
13 years 9 months ago
Management of Executable Schema Mappings for XML Data Exchange
Abstract. Executable schema mappings between XML schemas are essential to support numerous data management tasks such as data exchange, data integration and schema evolution. The n...
Tadeusz Pankowski