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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
CAISE
2009
Springer
13 years 11 months ago
Defining and Using Schematic Correspondences for Automatically Generating Schema Mappings
Mapping specification has been recognised as a critical bottleneck to the large scale deployment of data integration systems. A mapping is a description using which data structured...
Lu Mao, Khalid Belhajjame, Norman W. Paton, Alvaro...
VLDB
2007
ACM
130views Database» more  VLDB 2007»
14 years 7 months ago
Model Management and Schema Mappings: Theory and Practice
We present an overview of a tutorial on model management--an approach to solving data integration problems, such as data warehousing, e-commerce, object-to-relational mapping, sch...
Philip A. Bernstein, Howard Ho