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EDBT
2008
ACM
14 years 10 months ago
2008
ACM
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...
ICDT
2010
ACM
14 years 7 months ago
2010
ACM
It is known that the composition of schema mappings, each specified by source-to-target tgds (st-tgds), can be specified by a secondorder tgd (SO tgd). We consider the question of...
WWW
2010
ACM
14 years 5 months ago
2010
ACM
Extracting semantic relations among entities is an important first step in various tasks in Web mining and natural language processing such as information extraction, relation de...
KDD
2009
ACM
14 years 5 months ago
2009
ACM
Merchants selling products on the Web often ask their customers to share their opinions and hands-on experiences on products they have purchased. Unfortunately, reading through al...
ICEBE
2007
IEEE
14 years 4 months ago
2007
IEEE
In the development process of a B2B system it is crucial that the business experts are able to express and evaluate agreements and commitments between the partners and that the so...