124 search results - page 8 / 25 » Concept-based querying in mediator systems |
ICEIS
2005
IEEE
14 years 1 months ago
2005
IEEE
: In the recent years, XML has become the universal interchange format. Many investigations have been made on storing, querying and integrating XML with existing applications. Many...
VLDB
1997
ACM
13 years 11 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...
ECAI
2004
Springer
14 years 28 days ago
2004
Springer
The problem of integrating relevant information obtained from multiple heterogeneous sources is a complex task, with which biologists are now faced. In this paper, we address the p...
EDBT
2008
ACM
13 years 9 months ago
2008
ACM
In peer-to-peer data management systems query allocation is a critical issue for the good operation of the system. This task is challenging because participants may prefer to perf...
JLP
2000
13 years 7 months 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...