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MIDDLEWARE
2009
Springer
14 years 2 months ago
PAQ: Persistent Adaptive Query Middleware for Dynamic Environments
Abstract. Pervasive computing applications often entail continuous monitoring tasks, issuing persistent queries that return continuously updated views of the operational environmen...
Vasanth Rajamani, Christine Julien, Jamie Payton, ...
SIGMOD
2004
ACM
114views Database» more  SIGMOD 2004»
14 years 7 months ago
An initial study of overheads of eddies
An eddy [2] is a highly adaptive query processing operator that continuously reoptimizes a query in response to changing runtime conditions. It does this by treating query process...
Amol Deshpande

Publication
502views
15 years 7 months ago
Spatio-Temporal Histograms
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
Hicham G. Elmongui, Mohamed F. Mokbel, Walid G. Ar...
TKDE
2008
169views more  TKDE 2008»
13 years 7 months ago
A Cost-Based Approach to Adaptive Resource Management in Data Stream Systems
Data stream management systems need to control their resources adaptively since stream characteristics and query workload may vary over time. In this paper we investigate an approa...
Michael Cammert, Jürgen Krämer, Bernhard...
VLDB
2004
ACM
128views Database» more  VLDB 2004»
14 years 7 months ago
Operator scheduling in data stream systems
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or realtime query responses in su...
Brian Babcock, Shivnath Babu, Mayur Datar, Rajeev ...