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ER
2008
Springer
110views Database» more  ER 2008»
15 years 3 months ago
Conjunctive Query Containment under Access Limitations
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
Andrea Calì, Davide Martinenghi
CORR
2006
Springer
122views Education» more  CORR 2006»
15 years 1 months ago
Unification of multi-lingual scientific terminological resources using the ISO 16642 standard. The TermSciences initiative
The TermSciences initiative aims at building a multi-purpose and multi-lingual knowledge system from different source vocabularies produced by major French research institutions a...
Majid Khayari, Stéphane Schneider, Isabelle...
WWW
2010
ACM
15 years 5 months ago
Enabling entity-based aggregators for web 2.0 data
Selecting and presenting content culled from multiple heterogeneous and physically distributed sources is a challenging task. The exponential growth of the web data in modern time...
Ekaterini Ioannou, Claudia Niederée, Yannis...
EDBT
2009
ACM
126views Database» more  EDBT 2009»
15 years 5 months ago
A tool for mapping discovery over revealing schemas
In a world of wide-scale information sharing, the decentralized coordination has to consolidate a variety of heterogeneity. Shared data are described in different formats, i.e. da...
Verena Kantere, Dimos Bousounis, Timos K. Sellis
VLDB
2007
ACM
108views Database» more  VLDB 2007»
16 years 2 months ago
Update Exchange with Mappings and Provenance
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
Todd J. Green, Grigoris Karvounarakis, Zachary G. ...