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» Equivalent Representations of Set Functions
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CIKM
2005
Springer
15 years 3 months ago
Access control for XML: a dynamic query rewriting approach
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
Sriram Mohan, Arijit Sengupta, Yuqing Wu
CPM
2005
Springer
109views Combinatorics» more  CPM 2005»
15 years 3 months ago
Using PQ Trees for Comparative Genomics
Permutations on strings representing gene clusters on genomes have been studied earlier in [18, 14, 3, 12, 17] and the idea of a maximal permutation pattern was introduced in [12]....
Gad M. Landau, Laxmi Parida, Oren Weimann
ER
2003
Springer
84views Database» more  ER 2003»
15 years 3 months ago
Resolving Structural Conflicts in the Integration of XML Schemas: A Semantic Approach
While the Internet has facilitated access to information sources, the task of scalable integration of these heterogeneous data sources remains a challenge. The adoption of the eXte...
Xia Yang, Mong-Li Lee, Tok Wang Ling
CAV
2001
Springer
83views Hardware» more  CAV 2001»
15 years 2 months ago
Iterating Transducers
Regular languages have proved useful for the symbolic state exploration of infinite state systems. They can be used to represent infinite sets of system configurations; the tran...
Dennis Dams, Yassine Lakhnech, Martin Steffen
EPIA
1995
Springer
15 years 1 months ago
The Retrieval Problem in a Concept Language with Number Restrictions
In this paper, we study the retrieval problem in ALN, which is a tractable concept language with number restrictions. Following the approach proposed in [12], this work differs fr...
Aida Vitória, Margarida Mamede, Luís...