815 search results - page 132 / 163 » Ontology-based integration for relational databases |
ER
2008
Springer
13 years 11 months ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
MEDINFO
2007
13 years 11 months ago
2007
Managing time-stamped data is essential to clinical research activities and often requires the use of considerable domain knowledge, which is difficult to support within database ...
DEBU
2000
13 years 9 months ago
2000
In a traditional information retrieval system, it is assumed that queries can be posed about any topic. In reality, a large fraction of web queries are posed about a relatively sm...
TKDE
1998
13 years 9 months ago
1998
—When a multidatabase system contains textual database systems (i.e., information retrieval systems), queries against the global schema of the multidatabase system may contain a ...
VLDB
2002
ACM
13 years 9 months ago
2002
ACM
A workflow consists of a collection of coordinated tasks designed to carry out a welldefined complex process, such as catalog ordering, trip planning, or a business process in an ...