179 search results - page 22 / 36 » Fixed-Point Query Languages for Linear Constraint Databases |
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Document-centric XML is a mixture of text and structure. With the increased availability of document-centric XML content comes a need for query facilities in which both structural...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
DBPL
2003
Springer
14 years 26 days ago
2003
Springer
We introduce the new notion of XML Stream Attribute Grammars (XSAGs). XSAGs are the first scalable query language for XML streams (running strictly in linear time with bounded mem...
GIS
1999
ACM
13 years 12 months ago
1999
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involv...
SEMWEB
2009
Springer
14 years 2 months ago
2009
Springer
In many data-centric applications, it is desirable to use OWL as an expressive schema language with which one expresses constraints that must be satisfied by instance data. Howeve...