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HPDC
2010
IEEE
13 years 8 months ago
New caching techniques for web search engines
This paper proposes a cache hierarchy that enables Web search engines to efficiently process user queries. The different caches in the hierarchy are used to store pieces of data w...
Mauricio Marín, Veronica Gil Costa, Carlos ...
ICDE
2005
IEEE
123views Database» more  ICDE 2005»
14 years 1 months ago
Load and Network Aware Query Routing for Information Integration
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
Wen-Syan Li, Vishal S. Batra, Vijayshankar Raman, ...
TKDE
2011
177views more  TKDE 2011»
13 years 2 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
13 years 9 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...
DATE
2010
IEEE
131views Hardware» more  DATE 2010»
14 years 21 days ago
Energy-performance design space exploration in SMT architectures exploiting selective load value predictions
—This paper presents a design space exploration of a selective load value prediction scheme suitable for energyaware Simultaneous Multi-Threaded (SMT) architectures. A load value...
Arpad Gellert, Gianluca Palermo, Vittorio Zaccaria...