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» Quasi-inverses of schema mappings
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SUM
2007
Springer
14 years 1 months ago
Managing Uncertainty in Schema Matcher Ensembles
Schema matching is the task of matching between concepts describing the meaning of data in various heterogeneous, distributed data sources. With many heuristics to choose from, sev...
Anan Marie, Avigdor Gal
FDBS
2001
108views more  FDBS 2001»
13 years 9 months ago
Combining a Formal with an Example-driven Approach for Data Integration
Integrating data sources is a general problem in many scenarios. The main problem is the heterogeneity between data sources which were created and developed separately. In the lit...
Ingolf Geist, Kai-Uwe Sattler, Ingo Schmitt
PVLDB
2010
83views more  PVLDB 2010»
13 years 6 months ago
Updatable and Evolvable Transforms for Virtual Databases
Applications typically have some local understanding of a database schema, a virtual database that may differ significantly from the actual schema of the data where it is stored...
James F. Terwilliger, Lois M. L. Delcambre, David ...
PVLDB
2008
82views more  PVLDB 2008»
13 years 7 months ago
STBenchmark: towards a benchmark for mapping systems
A fundamental problem in information integration is to precisely specify the relationships, called mappings, between schemas. Designing mappings is a time-consuming process. To al...
Bogdan Alexe, Wang Chiew Tan, Yannis Velegrakis
DEXA
2007
Springer
135views Database» more  DEXA 2007»
14 years 1 months ago
Semantic Grouping of Social Networks in P2P Database Settings
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
Verena Kantere, Dimitrios Tsoumakos, Timos K. Sell...