7607 search results - page 157 / 1522 » Querying data provenance |
129
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WWW
2001
ACM
16 years 7 months ago
2001
ACM
This poster describes the DQL language : a new XML data manipulation language. DQL is an extension of OQL for the manipulation of tree-like and forest-like data. It integrates XPa...
209
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ICDE
2006
IEEE
16 years 16 days ago
2006
IEEE
Structured P2P systems based on distributed hash tables are a popular choice for building large-scaled data management systems. Generally, they only support exact match queries, b...
286
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ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
We are witnessing in recent years growing interest for location-dependent information services among mobile users. This paper examines the issue of processing locationdependent qu...
189
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PVLDB
2010
15 years 1 months ago
2010
Recent legislation has increased the requirements of organizations to report data breaches, or unauthorized access to data. While access control policies are used to restrict acce...
261
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...