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» The Limits of Querying Ontologies
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WEBDB
2000
Springer
135views Database» more  WEBDB 2000»
14 years 18 days ago
Active Query Caching for Database Web Servers
A substantial portion of web traffic consists of queries to database web servers. Unfortunately, a common technique to improve web scalability, proxy caching, is ineffective for da...
Qiong Luo, Jeffrey F. Naughton, Rajasekar Krishnam...
TDM
2004
202views Database» more  TDM 2004»
13 years 10 months ago
Combining Indexing Schemes to Accelerate Querying XML on Content and Structure
This paper presents the advantages of combining multiple document representation schemes for query processing of XML queries on content and structure. We show how extending the Te...
Georgina Ramírez, Arjen P. de Vries
PVLDB
2008
101views more  PVLDB 2008»
13 years 8 months ago
Output perturbation with query relaxation
Given a dataset containing sensitive personal information, a statistical database answers aggregate queries in a manner that preserves individual privacy. We consider the problem ...
Xiaokui Xiao, Yufei Tao
SAC
2011
ACM
12 years 12 months ago
Secure shared continuous query processing
Data stream management systems (DSMSs) process continuous queries over streaming data in real-time adhering to quality of service requirements. The data streams generated from sen...
Raman Adaikkalavan, Thomas Perez
DCOSS
2005
Springer
14 years 2 months ago
Multi-query Optimization for Sensor Networks
The widespread dissemination of small-scale sensor nodes has sparked interest in a powerful new database abstraction for sensor networks: Clients “program” the sensors through ...
Niki Trigoni, Yong Yao, Alan J. Demers, Johannes G...