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CIKM
2005
Springer
15 years 11 months ago
A function-based access control model for XML databases
XML documents are frequently used in applications such as business transactions and medical records involving sensitive information. Typically, parts of documents should be visibl...
Naizhen Qi, Michiharu Kudo, Jussi Myllymaki, Hamid...
DASFAA
2008
IEEE
137views Database» more  DASFAA 2008»
15 years 8 months ago
Efficient Mining of Recurrent Rules from a Sequence Database
We study a novel problem of mining significant recurrent rules from a sequence database. Recurrent rules have the form "whenever a series of precedent events occurs, eventuall...
David Lo, Siau-Cheng Khoo, Chao Liu 0001
SIGMOD
2005
ACM
161views Database» more  SIGMOD 2005»
16 years 6 months ago
Efficient Keyword Search for Smallest LCAs in XML Databases
Keyword search is a proven, user-friendly way to query HTML documents in the World Wide Web. We propose keyword search in XML documents, modeled as labeled trees, and describe cor...
Yu Xu, Yannis Papakonstantinou
EUROPAR
2004
Springer
15 years 11 months ago
OLAP Query Processing in a Database Cluster
OLAP queries are typically heavy-weight and ad-hoc thus requiring high storage capacity and processing power. In this paper, we address this problem using a database cluster which...
Alexandre A. B. Lima, Marta Mattoso, Patrick Valdu...
SIGMOD
1997
ACM
100views Database» more  SIGMOD 1997»
15 years 10 months ago
MDM: a Multiple-Data-Model Tool for the Management of Heterogeneous Database Schemes
MDM is a tool that enables the users to de ne schemes of di erent data models and to perform translations of schemes from one model to another. These functionalities can be at the...
Paolo Atzeni, Riccardo Torlone