1846 search results - page 278 / 370 » Fuzzy queries and relational databases |
PODS
2008
ACM
14 years 10 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
BMCBI
2006
13 years 10 months ago
2006
Background: Existing biological databases support a variety of queries such as keyword or definition search. However, they do not provide any measure of relevance for the instance...
WWW
2007
ACM
14 years 11 months ago
2007
ACM
As the data and ontology layers of the Semantic Web stack have achieved a certain level of maturity in standard recommendations such as RDF and OWL, the current focus lies on two ...
DKE
1999
13 years 10 months ago
1999
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...
ICDE
2003
IEEE
14 years 11 months ago
2003
IEEE
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...