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DOCENG
2011
ACM
13 years 11 months ago
Contributions to the study of SMS spam filtering: new collection and results
The growth of mobile phone users has lead to a dramatic increasing of SMS spam messages. In practice, fighting mobile phone spam is difficult by several factors, including the lo...
Tiago A. Almeida, José María G&oacut...
ICAIL
2003
ACM
15 years 5 months ago
Specifying and Reasoning with Institutional Agents
This paper proposes a logic-oriented framework for institutional agents specification and analysis. Within this framework institutional agents are seen as artificial agents that a...
Filipe Santos, Olga Pacheco
BMCBI
2006
118views more  BMCBI 2006»
14 years 12 months ago
Exploration of biological network centralities with CentiBiN
Background: The elucidation of whole-cell regulatory, metabolic, interaction and other biological networks generates the need for a meaningful ranking of network elements. Central...
Björn H. Junker, Dirk Koschützki, Falk S...
HICSS
2007
IEEE
106views Biometrics» more  HICSS 2007»
15 years 6 months ago
Talk Before You Type: Coordination in Wikipedia
Wikipedia, the online encyclopedia, has attracted attention both because of its popularity and its unconventional policy of letting anyone on the internet edit its articles. This ...
Fernanda B. Viégas, Martin Wattenberg, Jess...
ICC
2007
IEEE
149views Communications» more  ICC 2007»
15 years 6 months ago
Synchronization Signal Design for OFDM Based On Time-Frequency Hopping Patterns
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
Jiann-Ching Guey