159 search results - page 18 / 32 » Architecture of a semantic data integration system based on ... |
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
CORR
2002
Springer
13 years 7 months ago
2002
Springer
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
DLOG
2004
13 years 8 months ago
2004
er reports on a pragmatic query language for Racer. The abstract syntax and semantics of this query language is defined. Next, the practical relevance of this query language is sh...
MEDINFO
2007
13 years 8 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 ...
COSIT
2001
Springer
13 years 12 months ago
2001
Springer
Geographical context is required of many information retrieval tasks in which the target of the search may be documents, images or records which are referenced to geographical spac...