PVLDB
2008
14 years 6 days ago
2008
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
JLP
2000
14 years 16 days ago
2000
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...
IS
2008
14 years 22 days ago
2008
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
VLDB
1997
ACM
14 years 4 months ago
1997
ACM
The goal of a mediator system is to provide users a uniform interface to the multitude of information sources. To translate user queries, given in a mediated schema, to queries on...
DILS
2005
Springer
14 years 6 months ago
2005
Springer
BioMediator is a data integration system that provides a common interface to multiple Internet-accessible databases containing information about genetics and molecular biology. Ont...
DEXA
2007
Springer
14 years 7 months ago
2007
Springer
Abstract. Semantic matching of schemas in heterogeneous data sharing systems is time consuming and error prone. Existing mapping tools employ semi-automatic techniques for mapping ...
DEXA
2007
Springer
14 years 7 months ago
2007
Springer
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
SIGMOD
2008
ACM
15 years 27 days ago
2008
ACM
Data integration systems offer a uniform interface to a set of data sources. Despite recent progress, setting up and maintaining a data integration application still requires sign...