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» RTSTREAM: Real-Time Query Processing for Data Streams
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PVLDB
2008
74views more  PVLDB 2008»
13 years 7 months ago
Out-of-order processing: a new architecture for high-performance stream systems
Many stream-processing systems enforce an order on data streams during query evaluation to help unblock blocking operators and purge state from stateful operators. Such in-order p...
Jin Li, Kristin Tufte, Vladislav Shkapenyuk, Vassi...
PODS
2005
ACM
128views Database» more  PODS 2005»
14 years 7 months ago
Operator placement for in-network stream query processing
In sensor networks, data acquisition frequently takes place at lowcapability devices. The acquired data is then transmitted through a hierarchy of nodes having progressively incre...
Utkarsh Srivastava, Kamesh Munagala, Jennifer Wido...
MDM
2005
Springer
174views Communications» more  MDM 2005»
14 years 1 months ago
GPAC: generic and progressive processing of mobile queries over mobile data
This paper introduces a new family of Generic and Progressive algorithms (GPAC, for short) for continuous mobile queries over mobile objects. GPAC provides a general skeleton that...
Mohamed F. Mokbel, Walid G. Aref
INFFUS
2008
175views more  INFFUS 2008»
13 years 7 months ago
Adaptive optimization of join trees for multi-join queries over sensor streams
Data processing applications for sensor streams have to deal with multiple continuous data streams with inputs arriving at highly variable and unpredictable rates from various sour...
Joseph S. Gomes, Hyeong-Ah Choi
ASIAN
2005
Springer
130views Algorithms» more  ASIAN 2005»
13 years 9 months ago
A Hybrid Method for Detecting Data Stream Changes with Complex Semantics in Intensive Care Unit
Abstract. Detecting changes in data streams is very important for many applications. This paper presents a hybrid method for detecting data stream changes in intensive care unit. I...
Ting Yin, Hongyan Li, Zijing Hu, Yu Fan, Jianlong ...