162 search results - page 18 / 33 » SPARQL query rewriting for implementing data integration ove... |
BMCBI
2005
13 years 7 months ago
2005
Background: We present a biological data warehouse called Atlas that locally stores and integrates biological sequences, molecular interactions, homology information, functional a...
SEMCO
2009
IEEE
14 years 2 months ago
2009
IEEE
Semantic integration in the hidden Web is an emerging area of research where traditional assumptions do not always hold. Frequent changes, conflicts and the sheer size of the hid...
VLDB
2001
ACM
14 years 7 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
SIGMOD
1997
ACM
13 years 11 months ago
1997
ACM
Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodical...
IADIS
2004
13 years 9 months ago
2004
Internet has changed many aspects of our society, transforming it in e-society, and is having special importance in business world, Internet has converted business in e-business. ...