321 search results - page 51 / 65 » Sketch-Based Multi-query Processing over Data Streams |
CICLING
2010
Springer
15 years 4 months ago
2010
Springer
We present an approach for automatic detection of topic change. Our approach is based on the analysis of statistical features of topics in time-sliced corpora and their dynamics ov...
RTSS
2008
IEEE
15 years 4 months ago
2008
IEEE
The Real-Time Calculus (RTC) framework proposed in [Chakraborty et al., DATE 2003] and subsequently extended in [Wandeler et al., Real-Time Systems 29(2-3), 2005] and a number of ...
DKE
2008
14 years 9 months ago
2008
Processing and extracting meaningful knowledge from count data is an important problem in data mining. The volume of data is increasing dramatically as the data is generated by da...
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GISCIENCE
2010
Springer
2010
Springer
Efficient Data Collection and Event Boundary Detection in Wireless Sensor Networks Using Tiny Models
14 years 10 months ago
Using wireless geosensor networks (WGSN), sensor nodes often monitor a phenomenon that is both continuous in time and space. However, sensor nodes take discrete samples, and an ana...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...