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ISTA
2003
13 years 11 months ago
An Integrated Ontology Development Environment for Data Extraction
Abstract: Data extraction is a necessary technology to deal with the huge and growing collection of unstructured and semistructured information available on the World Wide Web. Ont...
Stephen W. Liddle, Kimball A. Hewett, David W. Emb...
DASFAA
2009
IEEE
134views Database» more  DASFAA 2009»
14 years 4 months ago
Selectivity Estimation for Exclusive Query Translation in Deep Web Data Integration
In Deep Web data integration, some Web database interfaces express exclusive predicates of the form Qe = Pi(Pi ∈ P1, P2, . . . , Pm), which permits only one predicate to be selec...
Fangjiao Jiang, Weiyi Meng, Xiaofeng Meng
ICPADS
2005
IEEE
14 years 3 months ago
Distributed Integrity Checking for Systems with Replicated Data
This work presents a new comparison-based diagnosis model and a new algorithm, called Hi-Dif, based on this model. The algorithm is used for checking the integrity of systems with...
Roverli Pereira Ziwich, Elias Procópio Duar...
CIKM
2001
Springer
14 years 2 months ago
Joint Optimization of Cost and Coverage of Query Plans in Data Integration
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
Zaiqing Nie, Subbarao Kambhampati
DILS
2005
Springer
14 years 11 hour ago
Assigning Unique Keys to Chemical Compounds for Data Integration: Some Interesting Counter Examples
Integrating data involving chemical structures is simplified when unique identifiers (UIDs) can be associated with chemical structures. For example, these identifiers can be use...
Greeshma Neglur, Robert L. Grossman, Bing Liu