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WWW
2008
ACM
16 years 6 months ago
Efficient multi-keyword search over p2p web
Current search mechanisms of DHT-based P2P systems can well handle a single keyword search problem. Other than single keyword search, multi-keyword search is quite popular and use...
Hanhua Chen, Hai Jin, Jiliang Wang, Lei Chen 0002,...
MOBIHOC
2008
ACM
16 years 5 months ago
Toward stochastic anatomy of inter-meeting time distribution under general mobility models
Recent discovery of the mixture (power-law and exponential) behavior of inter-meeting time distribution of mobile nodes presents new challenge to the problem of mobility modeling ...
Han Cai, Do Young Eun
IUI
2010
ACM
16 years 2 months ago
A POMDP approach to P300-based brain-computer interfaces
Most of the previous work on non-invasive brain-computer interfaces (BCIs) has been focused on feature extraction and classification algorithms to achieve high performance for the...
Jaeyoung Park, Kee-Eung Kim, Sungho Jo
ICDT
2009
ACM
147views Database» more  ICDT 2009»
16 years 6 months ago
The average-case complexity of counting distinct elements
We continue the study of approximating the number of distinct elements in a data stream of length n to within a (1? ) factor. It is known that if the stream may consist of arbitra...
David P. Woodruff
WWW
2008
ACM
16 years 6 months ago
WWW 2008 workshop: NLPIX2008 summary
The amount of information available on the Web has increased rapidly, reaching levels that few would ever have imagined possible. We live in what could be called the "informa...
Hiroshi Nakagawa, Kentaro Torisawa, Marasu Kitsure...