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JCST
2010
155views more  JCST 2010»
13 years 3 months ago
Efficient Location Updates for Continuous Queries over Moving Objects
Abstract The significant overhead related to frequent location updates from moving objects often results in poor performance. As most of the location updates do not affect the quer...
Yu-Ling Hsueh, Roger Zimmermann, Wei-Shinn Ku
CAISE
2003
Springer
14 years 1 months ago
Updateable Views for an XML Query Language
We present an approach to updateable XML views, which is based on the Stack-Based Approach to query languages. Its novelty consists in introducing procedures overloading generic up...
Hanna Kozankiewicz, Jacek Leszczylowski, Kazimierz...
PVLDB
2010
174views more  PVLDB 2010»
13 years 7 months ago
x-RDF-3X: Fast Querying, High Update Rates, and Consistency for RDF Databases
The RDF data model is gaining importance for applications in computational biology, knowledge sharing, and social communities. Recent work on RDF engines has focused on scalable p...
Thomas Neumann, Gerhard Weikum
GIS
2007
ACM
14 years 9 months ago
Partition-based lazy updates for continuous queries over moving objects
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
Yu-Ling Hsueh, Roger Zimmermann, Haojun Wang, Wei-...
ICDT
2007
ACM
90views Database» more  ICDT 2007»
14 years 2 months ago
On the Expressiveness of Implicit Provenance in Query and Update Languages
Abstract. Information concerning the origin of data (that is, its provenance) is important in many areas, especially scientific recordkeeping. Currently, provenance information mu...
Peter Buneman, James Cheney, Stijn Vansummeren