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TKDE
2011
177views more  TKDE 2011»
13 years 6 months ago
Load Shedding in Mobile Systems with MobiQual
— In location-based, mobile continual query (CQ) systems, two key measures of quality of service (QoS) are: freshness and accuracy. To achieve freshness, the CQ server must perfo...
Bugra Gedik, Kun-Lung Wu, Ling Liu, Philip S. Yu
DEBS
2008
ACM
14 years 1 months ago
Real-time, load-adaptive processing of continuous queries over data streams
We introduce a new type of query, called a real-time continuous query (RCQ), that captures the real-time requirements of processing data streams. We develop techniques to efficien...
Dhananjay Kulkarni, Chinya V. Ravishankar, Mitch C...
P2P
2008
IEEE
135views Communications» more  P2P 2008»
14 years 5 months ago
Popularity-Aware Prefetch in P2P Range Caching
Unstructured peer-to-peer infrastructure has been widely employed to support large-scale distributed applications. Many of these applications, such as locationbased services and m...
Qiang Wang, Khuzaima Daudjee, M. Tamer Özsu
WAIM
2009
Springer
14 years 6 months ago
Dynamic Data Migration Policies for Query-Intensive Distributed Data Environments
Abstract. Modern large distributed applications, such as telecommunication and banking services, need to respond instantly to a huge number of queries within a short period of time...
Tengjiao Wang, Bishan Yang, Allen Huang, Qi Zhang,...
SIGMOD
2006
ACM
170views Database» more  SIGMOD 2006»
14 years 11 months ago
COLT: continuous on-line tuning
Self-tuning is a cost-effective and elegant solution to the important problem of configuring a database to the characteristics of the query load. Existing techniques operate in an...
Karl Schnaitter, Serge Abiteboul, Tova Milo, Neokl...
ICDE
2007
IEEE
178views Database» more  ICDE 2007»
15 years 24 days ago
Efficient Skyline Query Processing on Peer-to-Peer Networks
Skyline query has been gaining much interest in database research communities in recent years. Most existing studies focus mainly on centralized systems, and resolving the problem...
Shiyuan Wang, Beng Chin Ooi, Anthony K. H. Tung, L...
ICDE
2008
IEEE
119views Database» more  ICDE 2008»
15 years 24 days ago
MobiQual: QoS-aware Load Shedding in Mobile CQ Systems
Freshness and accuracy are two key measures of quality of service (QoS) in location-based, mobile continual queries (CQs). However, it is often difficult to provide both fresh and ...
Bugra Gedik, Kun-Lung Wu, Philip S. Yu, Ling Liu
ICDE
2009
IEEE
127views Database» more  ICDE 2009»
15 years 1 months ago
SbQA: A Self-Adaptable Query Allocation Process
We present a flexible query allocation framework, called Satisfaction-based Query Allocation (SbQA for short), for distributed information systems where both consumers and provider...
Jorge-Arnulfo Quiané-Ruiz, Patrick Valdurie...