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» Optimal Database Locks for Efficient Integrity Checking
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EDBT
2009
ACM
149views Database» more  EDBT 2009»
13 years 5 months ago
Towards integrated and efficient scientific sensor data processing: a database approach
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
Ji Wu, Yongluan Zhou, Karl Aberer, Kian-Lee Tan
CIKM
2008
Springer
13 years 9 months ago
A heuristic approach for checking containment of generalized tree-pattern queries
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
Pawel Placek, Dimitri Theodoratos, Stefanos Soulda...
SIGMOD
2003
ACM
150views Database» more  SIGMOD 2003»
14 years 7 months ago
Capturing both Types and Constraints in Data Integration
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Juli...
ICDE
2006
IEEE
124views Database» more  ICDE 2006»
14 years 9 months ago
C-Cubing: Efficient Computation of Closed Cubes by Aggregation-Based Checking
It is well recognized that data cubing often produces huge outputs. Two popular efforts devoted to this problem are (1) iceberg cube, where only significant cells are kept, and (2...
Dong Xin, Zheng Shao, Jiawei Han, Hongyan Liu
IJCSA
2008
108views more  IJCSA 2008»
13 years 7 months ago
Consistency Check Algorithms for Multi-Dimensional Preference Trade-Offs
: Skyline Queries have recently received a lot of attention due to their intuitive query capabilities. Following the concept of Pareto optimality all `best' database objects a...
Christoph Lofi, Wolf-Tilo Balke, Ulrich Güntz...