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» Approximate schemas, source-consistency and query answering
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JIIS
2008
95views more  JIIS 2008»
10 years 4 months ago
Approximate schemas, source-consistency and query answering
We use the Edit distance with Moves on words and trees and say that two regular (tree) languages are -close if every word (tree) of one language is -close to the other. A transduc...
Michel de Rougemont, Adrien Vieilleribière
EDBT
2002
ACM
129views Database» more  EDBT 2002»
11 years 4 months ago
Schema-Driven Evaluation of Approximate Tree-Pattern Queries
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
Torsten Schlieder
AMW
2009
10 years 5 months ago
Consistent Query Answering in Data Warehouses
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
Leopoldo E. Bertossi, Loreto Bravo, Mónica ...
ADC
2003
Springer
173views Database» more  ADC 2003»
10 years 9 months ago
Cooperative Query Answering for Semistructured Data
Semistructured data, in particular XML, has emerged as one of the primary means for information exchange and content management. The power of XML allows authors to structure a doc...
Michael Barg, Raymond K. Wong
VLDB
2007
ACM
125views Database» more  VLDB 2007»
10 years 10 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
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