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TPDS
2002
112views more  TPDS 2002»
15 years 6 months ago
Performance Analysis of a Distributed Question/Answering System
The problem of question/answering (Q/A) is to find answers to open-domain questions by searching large collections of documents. Unlike information retrieval systems, very common ...
Mihai Surdeanu, Dan I. Moldovan, Sanda M. Harabagi...
IMC
2006
ACM
16 years 22 days ago
Comprehensive view of a live network coding P2P system
In this paper we present the first implementation of a P2P content distribution system that uses Network Coding. Using results from live trials with several hundred nodes, we pro...
Christos Gkantsidis, John Miller, Pablo Rodriguez
IMC
2005
ACM
16 years 10 days ago
Measurements, Analysis, and Modeling of BitTorrent-like Systems
Existing studies on BitTorrent systems are single-torrent based, while more than 85% of all peers participate in multiple torrents according to our trace analysis. In addition, th...
Lei Guo, Songqing Chen, Zhen Xiao, Enhua Tan, Xiao...
DEXA
2007
Springer
107views Database» more  DEXA 2007»
15 years 10 months ago
When Mobile Objects' Energy Is Not So Tight: A New Perspective on Scalability Issues of Continuous Spatial Query Systems
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
Tai T. Do, Fuyu Liu, Kien A. Hua
IADIS
2003
15 years 8 months ago
A Facial Expression Analysis Component for Affective Tutoring Systems
Intelligent tutoring systems (ITS) provide individualised instruction. They offer many advantages over the traditional classroom scenario: they are always available, non-judgement...
Scott P. Overmyer, Hamid Gholam Hosseini, Chao Fan...