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ICDCS
2007
IEEE
16 years 19 days ago
A Weighted Moving Average-based Approach for Cleaning Sensor Data
Nowadays, wireless sensor networks have been widely used in many monitoring applications. Due to the low quality of sensors and random effects of the environment, however, it is ...
Yongzhen Zhuang, Lei Chen 0002, Xiaoyang Sean Wang...
ADC
2004
Springer
88views Database» more  ADC 2004»
15 years 10 months ago
An Efficient Method for Indexing Now-relative Bitemporal data
Most modern database applications contain a significant amount of time dependent data and a substantial proportion of this data is now-relative, i.e. current now. While much resea...
Bela Stantic, Sankalp Khanna, John Thornton
SSD
2005
Springer
185views Database» more  SSD 2005»
15 years 11 months ago
Evaluation of a Dynamic Tree Structure for Indexing Query Regions on Streaming Geospatial Data
Most recent research on querying and managing data streams has concentrated on traditional data models where the data come in the form of tuples or XML data. Complex types of strea...
Quinn Hart, Michael Gertz, Jie Zhang
PERCOM
2007
ACM
16 years 5 months ago
Data Quality and Query Cost in Wireless Sensor Networks
This research is motivated by emerging, real-world wireless sensor network applications for monitoring and control. We examine the benefits and costs of caching data for such appli...
David J. Yates, Erich M. Nahum, Jim Kurose, Prasha...
DASFAA
2010
IEEE
190views Database» more  DASFAA 2010»
15 years 10 months ago
k-Selection Query over Uncertain Data
This paper studies a new query on uncertain data, called k-selection query. Given an uncertain dataset of N objects, where each object is associated with a preference score and a p...
Xingjie Liu, Mao Ye, Jianliang Xu, Yuan Tian, Wang...