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» Schema Mediation in Peer Data Management Systems
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PODS
2009
ACM
86views Database» more  PODS 2009»
14 years 8 months ago
Reverse data exchange: coping with nulls
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
ISMB
2007
13 years 10 months ago
A Chado case study: an ontology-based modular schema for representing genome-associated biological information
Motivation: A few years ago, FlyBase undertook to design a new database schema to store Drosophila data. It would fully integrate genomic sequence and annotation data with bibliog...
Chris Mungall, David B. Emmert
JACM
2010
120views more  JACM 2010»
13 years 2 months ago
The structure of inverses in schema mappings
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Alan Nash
EDBT
2010
ACM
208views Database» more  EDBT 2010»
14 years 2 months ago
Stream schema: providing and exploiting static metadata for data stream processing
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
Peter M. Fischer, Kyumars Sheykh Esmaili, Ren&eacu...
CIDR
2011
337views Algorithms» more  CIDR 2011»
12 years 11 months ago
The Schema-Independent Database UI: A Proposed Holy Grail and Some Suggestions
If you have ever encountered a piece of highly domain-specific business software, you may have noticed that it was largely a graphical front-end to some relational database. You ...
Eirik Bakke, Edward Benson