861 search results - page 22 / 173 » Relational Completeness of Query Languages for Annotated Dat... |
ICDT
1990
ACM
13 years 11 months ago
1990
ACM
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
BMCBI
2006
13 years 7 months ago
2006
Background: This article addresses the problem of interoperation of heterogeneous bioinformatics databases. Results: We introduce BioWarehouse, an open source toolkit for construc...
DEXA
1997
Springer
13 years 11 months ago
1997
Springer
Abstract. In this paper, we consider a multidatabase system which consists of media databases and traditional alphanumeric databases. The semantic relationships which may exist amo...
WIDM
2004
ACM
14 years 24 days ago
2004
ACM
The use of relational database management systems (RDBMSs) to store and query XML data has attracted considerable interest with a view to leveraging their powerful and reliable da...
VLDB
1989
ACM
13 years 11 months ago
1989
ACM
Graphical Direct Manipulation (GrDM) query languagesare characterized and positioned with respect to traditional textual query languages. After a brief survey of the current state...