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VLDB
2004
ACM
152views Database» more  VLDB 2004»
14 years 8 months ago
The BEA streaming XQuery processor
Abstract This paper describes the design, implementation, and performance characteristics of a commercial XQuery processing engine, the BEA streaming XQuery processor. This XQuery ...
Daniela Florescu, Chris Hillery, Donald Kossmann, ...
SIGMOD
2008
ACM
96views Database» more  SIGMOD 2008»
14 years 8 months ago
OLAP on sequence data
Many kinds of real-life data exhibit logical ordering among their data items and are thus sequential in nature. However, traditional online analytical processing (OLAP) systems an...
Eric Lo, Ben Kao, Wai-Shing Ho, Sau Dan Lee, Chun ...
PODS
2008
ACM
141views Database» more  PODS 2008»
14 years 8 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
ICDE
2010
IEEE
212views Database» more  ICDE 2010»
14 years 7 months ago
ViewJoin: Efficient View-based Evaluation of Tree Pattern Queries
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
Ding Chen, Chee-Yong Chan
PERCOM
2006
ACM
14 years 7 months ago
Managing Pervasive Systems using Role-based Obligation Policies
Pervasive systems are complex distributed systems containing heterogeneous and mobile devices, services and applications. Policy-based management is an effective approach for mana...
Chetan Shiva Shankar, Roy H. Campbell