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» Querying Distributed Data in a Super-Peer Based Architecture
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TKDE
2012
487views Formal Methods» more  TKDE 2012»
11 years 11 months ago
Query Planning for Continuous Aggregation Queries over a Network of Data Aggregators
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
Rajeev Gupta, Krithi Ramamritham
WAIM
2009
Springer
14 years 3 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,...
ADBIS
2007
Springer
171views Database» more  ADBIS 2007»
14 years 2 months ago
Quete: Ontology-Based Query System for Distributed Sources
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
Haridimos Kondylakis, Anastasia Analyti, Dimitris ...
TKDE
2010
197views more  TKDE 2010»
13 years 3 months ago
Filtering Data Streams for Entity-Based Continuous Queries
The idea of allowing query users to relax their correctness requirements in order to improve performance of a data stream management system (e.g., location-based services and senso...
Reynold Cheng, Benjamin C. M. Kao, Alan Kwan, Suni...
DEBS
2011
ACM
13 years 7 days ago
DejaVu: a complex event processing system for pattern matching over live and historical data streams
This short paper provides an overview of the DejaVu complex event processing (CEP) system, with an emphasis on its novel architecture and query optimization techniques for correla...
Nihal Dindar, Peter M. Fischer, Nesime Tatbul