365 search results - page 47 / 73 » Answering Non-Monotonic Queries in Relational Data Exchange |
92
Voted
DATESO
2010
14 years 7 months ago
2010
The XML format has become the standard for data exchange because it is self-describing and it stores not only information but also the relationships between data. Therefore it is u...
ADBIS
2004
Springer
15 years 2 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
84
Voted
COMPGEOM
2007
ACM
15 years 1 months ago
2007
ACM
The paper consists of two major parts. In the first part, we re-examine relative -approximations, previously studied in [12, 13, 18, 25], and their relation to certain geometric p...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
This demo presents Hyperion, a prototype system that supports data sharing for a network of independent Peer Relational Database Management Systems (PDBMSs). The nodes of such a n...
ICIP
1998
IEEE
15 years 11 months ago
1998
IEEE
We describe a new invariant-based data model for image databases under our approach for shape-based retrieval. The data model relies on contours description of the image shape, an...