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» Incremental XPath evaluation
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VLDB
2006
ACM
171views Database» more  VLDB 2006»
14 years 9 months ago
Grid-partition index: a hybrid method for nearest-neighbor queries in wireless location-based services
Abstract Traditional nearest-neighbor (NN) search is based on two basic indexing approaches: object-based indexing and solution-based indexing. The former is constructed based on t...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...
VLDB
2008
ACM
127views Database» more  VLDB 2008»
14 years 9 months ago
Delay aware querying with Seaweed
Large highly distributed data sets are poorly supported by current query technologies. Applications such as endsystembased network management are characterized by data stored on l...
Dushyanth Narayanan, Austin Donnelly, Richard Mort...
SIGMOD
2008
ACM
101views Database» more  SIGMOD 2008»
14 years 8 months ago
Pay-as-you-go user feedback for dataspace systems
A primary challenge to large-scale data integration is creating semantic equivalences between elements from different data sources that correspond to the same real-world entity or...
Shawn R. Jeffery, Michael J. Franklin, Alon Y. Hal...
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
14 years 8 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
MOBISYS
2005
ACM
14 years 8 months ago
A dynamic operating system for sensor nodes
Sensor network nodes exhibit characteristics of both embedded systems and general-purpose systems. They must use little energy and be robust to environmental conditions, while als...
Chih-Chieh Han, Ram Kumar, Roy Shea, Eddie Kohler,...