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CIKM
2005
Springer
14 years 2 months ago
Query workload-aware overlay construction using histograms
Peer-to-peer (p2p) systems offer an efficient means of data sharing among a dynamically changing set of a large number of autonomous nodes. Each node in a p2p system is connected...
Georgia Koloniari, Yannis Petrakis, Evaggelia Pito...
CIKM
2008
Springer
13 years 10 months ago
Peer-to-peer similarity search over widely distributed document collections
This paper addresses the challenging problem of similarity search over widely distributed ultra-high dimensional data. Such an application is retrieval of the top-k most similar d...
Christos Doulkeridis, Kjetil Nørvåg, ...
SIGCOMM
2009
ACM
14 years 3 months ago
Hot today, gone tomorrow: on the migration of MySpace users
While some empirical studies on Online Social Networks (OSNs) have examined the growth of these systems, little is known about the patterns of decline in user population or user a...
Mojtaba Torkjazi, Reza Rejaie, Walter Willinger
MOBICOM
2006
ACM
14 years 2 months ago
Analysis and implications of student contact patterns derived from campus schedules
Characterizing mobility or contact patterns in a campus environment is of interest for a variety of reasons. Existing studies of these patterns can be classified into two basic a...
Vikram Srinivasan, Mehul Motani, Wei Tsang Ooi
MOBIHOC
2004
ACM
14 years 8 months ago
Internal synchronization of drift-constraint clocks in ad-hoc sensor networks
Clock synchronization is a crucial basic service in typical sensor networks, since the observations of distributed sensors more often than not need to be ordered ("a happened...
Lennart Meier, Philipp Blum, Lothar Thiele