Sciweavers

1500 search results - page 22 / 300
» The Importance of Data Collection for Modelling Contact Netw...
Sort
View
MOBIHOC
2008
ACM
14 years 7 months ago
Routing performance analysis of human-driven delay tolerant networks using the truncated levy walk model
The routing performance of delay tolerant networks (DTN) is highly correlated with the distribution of inter-contact times (ICT), the time period between two successive contacts o...
Seongik Hong, Injong Rhee, Seong Joon Kim, Kyungha...
INTR
2007
81views more  INTR 2007»
13 years 7 months ago
Network externality and future usage of Internet services
Purpose – The purpose of this paper is to investigate different effects of three network externality factors, i.e. local network size, network strength, and total network size, ...
Sung Yong Chun, Minhi Hahn
AIR
2005
99views more  AIR 2005»
13 years 7 months ago
Evolving General Term-Weighting Schemes for Information Retrieval: Tests on Larger Collections
Term-weighting schemes are vital to the performance of Information Retrieval models that use term frequency characteristics to determine the relevance of a document. The vector spa...
Ronan Cummins, Colm O'Riordan
SDM
2007
SIAM
187views Data Mining» more  SDM 2007»
13 years 9 months ago
Topic Models over Text Streams: A Study of Batch and Online Unsupervised Learning
Topic modeling techniques have widespread use in text data mining applications. Some applications use batch models, which perform clustering on the document collection in aggregat...
Arindam Banerjee, Sugato Basu
DCOSS
2010
Springer
13 years 7 months ago
Design and Implementation of a Robust Sensor Data Fusion System for Unknown Signals
In this work, we present a robust sensor fusion system for exploratory data collection, exploiting the spatial redundancy in sensor networks. Unlike prior work, our system design c...
Younghun Kim, Thomas Schmid, Mani B. Srivastava