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CIKM
2006
Springer
15 years 3 months ago
Heuristic containment check of partial tree-pattern queries in the presence of index graphs
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...
Dimitri Theodoratos, Stefanos Souldatos, Theodore ...
KES
2008
Springer
14 years 11 months ago
A Secure Mediator for Integrating Multiple Level Access Control Policies
Abstract. We present a method for mapping security levels among the components of a distributed system where data in the local sources are represented in XML. Distributed data is i...
Isabel F. Cruz, Rigel Gjomemo, Mirko Orsini
SIGMOD
2008
ACM
159views Database» more  SIGMOD 2008»
15 years 12 months ago
Bootstrapping pay-as-you-go data integration systems
Data integration systems offer a uniform interface to a set of data sources. Despite recent progress, setting up and maintaining a data integration application still requires sign...
Anish Das Sarma, Xin Dong, Alon Y. Halevy
HICSS
2005
IEEE
88views Biometrics» more  HICSS 2005»
15 years 5 months ago
Building Digital Government by XML
Continuing innovations in information and communication technologies offer powerful tools for building digital government but, at the same time, in many environments they have lea...
Airi Salminen
PODS
2009
ACM
113views Database» more  PODS 2009»
16 years 7 days ago
Relative information completeness
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
Wenfei Fan, Floris Geerts