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» Modelling Immunological Memory
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206
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VLDB
2007
ACM
130views Database» more  VLDB 2007»
16 years 3 months ago
A Simple and Efficient Estimation Method for Stream Expression Cardinalities
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
Aiyou Chen, Jin Cao, Tian Bu
134
Voted
PODS
2008
ACM
158views Database» more  PODS 2008»
16 years 3 months ago
Local Hoare reasoning about DOM
The W3C Document Object Model (DOM) specifies an XML update library. DOM is written in English, and is therefore not compositional and not complete. We provide a first step toward...
Philippa Gardner, Gareth Smith, Mark J. Wheelhouse...
EDBT
2004
ACM
192views Database» more  EDBT 2004»
16 years 3 months ago
LIMBO: Scalable Clustering of Categorical Data
Abstract. Clustering is a problem of great practical importance in numerous applications. The problem of clustering becomes more challenging when the data is categorical, that is, ...
Periklis Andritsos, Panayiotis Tsaparas, Ren&eacut...
ICDE
2010
IEEE
188views Database» more  ICDE 2010»
16 years 3 months ago
Space-efficient Online Approximation of Time Series Data: Streams, Amnesia, and Out-of-order
In this paper, we present an abstract framework for online approximation of time-series data that yields a unified set of algorithms for several popular models: data streams, amnes...
Sorabh Gandhi, Luca Foschini, Subhash Suri
PERCOM
2005
ACM
16 years 2 months ago
Mobile data collection in sensor networks: The TinyLime
In this paper we describe TinyLime, a novel middleware for wireless sensor networks that departs from the traditional setting where sensor data is collected by a central monitorin...
Carlo Curino, Matteo Giani, Marco Giorgetta, Aless...