2771 search results - page 9 / 555 » Locality of Queries and Transformations |
ICDE
2010
IEEE
15 years 3 months ago
2010
IEEE
By imposing a single hierarchy on data, XML makes queries brittle in the sense that a query might fail to produce the desired result if it is executed on the same data organized in...
104
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ICIP
1998
IEEE
16 years 1 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...
GEOS
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
160
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
IDEAS
2005
IEEE
15 years 5 months ago
2005
IEEE
The modern XML query language called XQuery includes advanced facilities both to query and to transform XML data. An XQuery query optimizer should be able to optimize any query. F...