17 search results - page 1 / 4 » Approximate schemas, source-consistency and query answering |
JIIS
2008
13 years 11 months ago
2008
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...
EDBT
2002
ACM
14 years 11 months ago
2002
ACM
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...
AMW
2009
14 years 3 days ago
2009
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...
ADC
2003
Springer
14 years 4 months ago
2003
Springer
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...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
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...