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» Aggregating time partitions
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EUROPAR
2004
Springer
15 years 7 months ago
Efficient Parallel Hierarchical Clustering
Hierarchical agglomerative clustering (HAC) is a common clustering method that outputs a dendrogram showing all N levels of agglomerations where N is the number of objects in the d...
Manoranjan Dash, Simona Petrutiu, Peter Scheuerman...
AUTONOMICS
2007
ACM
15 years 8 months ago
Characterizing pairwise inter-contact patterns in delay tolerant networks
A good understanding of contact patterns in delay tolerant networks (DTNs) is essential for the design of effective routing schemes. Prior work has typically focused on intercontac...
Vania Conan, Jeremie Leguay, Timur Friedman
CHI
2010
ACM
15 years 11 months ago
Real time search user behavior
Real time search is an increasingly important area of information seeking on the Web. In this research, we analyze 1,005,296 user interactions with a real time search engine over ...
Bernard J. Jansen, Gerry Campbell, Matthew Gregg
ICDE
2009
IEEE
135views Database» more  ICDE 2009»
16 years 5 months ago
Forward Decay: A Practical Time Decay Model for Streaming Systems
Temporal data analysis in data warehouses and data streaming systems often uses time decay to reduce the importance of older tuples, without eliminating their influence, on the res...
Graham Cormode, Vladislav Shkapenyuk, Divesh Sriva...
ICC
2007
IEEE
129views Communications» more  ICC 2007»
15 years 10 months ago
Time Sharing Policy in Wireless Networks for Variable Rate Transmission
— For most of wireless services with variable rate transmission, both average rate and rate oscillation are important performance metrics. One often needs to decide how much rate...
Xiaolu Zhang, Meixia Tao, Chun Sum Ng