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» Quasi-inverses of schema mappings
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OTM
2005
Springer
14 years 1 months ago
Semantic Schema Matching
We view match as an operator that takes two graph-like structures (e.g., XML schemas) and produces a mapping between the nodes of these graphs that correspond semantically to each ...
Fausto Giunchiglia, Pavel Shvaiko, Mikalai Yatskev...
DASFAA
2003
IEEE
146views Database» more  DASFAA 2003»
14 years 25 days ago
Cost-Driven Storage Schema Selection for XML
Various models and approaches have been proposed for mapping XML data into relational tables recently. Most of those approaches produce relational schema for given XML data, based...
Shihui Zheng, Ji-Rong Wen, Hongjun Lu
GLOBE
2008
Springer
13 years 8 months ago
Query Propagation in a P2P Data Integration System in the Presence of Schema Constraints
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...
Tadeusz Pankowski
DLOG
2010
13 years 5 months ago
A MapReduce Algorithm for EL+
Abstract. Recently, the use of the MapReduce framework for distributed RDF Schema reasoning has shown that it is possible to compute the deductive closure of sets of over a billion...
Raghava Mutharaju, Frederick Maier, Pascal Hitzler
VLDB
2007
ACM
125views Database» more  VLDB 2007»
14 years 1 months ago
Data Integration with Uncertainty
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
Xin Luna Dong, Alon Y. Halevy, Cong Yu