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» Runtime Optimization of Continuous Queries
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CIKM
2011
Springer
14 years 1 months ago
MTopS: scalable processing of continuous top-k multi-query workloads
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
Avani Shastri, Di Yang, Elke A. Rundensteiner, Mat...
CIDR
2009
152views Algorithms» more  CIDR 2009»
15 years 2 months ago
Visualizing the robustness of query execution
In database query processing, actual run-time conditions (e.g., actual selectivities and actual available memory) very often differ from compile-time expectations of run-time cond...
Goetz Graefe, Harumi A. Kuno, Janet L. Wiener
PODC
2011
ACM
14 years 4 months ago
A nonblocking set optimized for querying the minimum value
We present the Mindicator, a set implementation customized for shared memory runtime systems. The Mindicator is optimized for constant-time querying of its minimum element, while ...
Yujie Liu, Michael F. Spear
MIDDLEWARE
2009
Springer
15 years 7 months ago
Rhizoma: A Runtime for Self-deploying, Self-managing Overlays
Abstract. The trend towards cloud and utility computing infrastructures raises challenges not only for application development, but also for management: diverse resources, changing...
Qin Yin, Adrian Schüpbach, Justin Cappos, And...
ICDE
2006
IEEE
146views Database» more  ICDE 2006»
15 years 7 months ago
Supporting Predicate-Window Queries in Data Stream Management Systems
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
Thanaa M. Ghanem