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ICASSP
2011
IEEE
14 years 10 months ago
Music algorithm to localize sources with unknown directivity in acoustic imaging
The Multiple Signal Classification (MUSIC) algorithm for acoustic imaging most commonly assumes that all sources have undirectional radiation pattern. We here propose a modifica...
Forooz Shahbazi Avarvand, Andreas Ziehe, Guido Nol...
DBSEC
2011
233views Database» more  DBSEC 2011»
14 years 10 months ago
Multiparty Authorization Framework for Data Sharing in Online Social Networks
Online social networks (OSNs) have experienced tremendous growth in recent years and become a de facto portal for hundreds of millions of Internet users. These OSNs offer attractiv...
Hongxin Hu, Gail-Joon Ahn
ECIR
2011
Springer
14 years 10 months ago
Enhancing Deniability against Query-Logs
We propose a method for search privacy on the Internet, focusing on enhancing plausible deniability against search engine query-logs. The method approximates the target search resu...
Avi Arampatzis, Pavlos Efraimidis, George Drosatos
ECIR
2011
Springer
14 years 10 months ago
A Novel Re-ranking Approach Inspired by Quantum Measurement
Abstract. Quantum theory (QT) has recently been employed to advance the theory of information retrieval (IR). A typical method, namely the Quantum Probability Ranking Principle (QP...
Xiaozhao Zhao, Peng Zhang, Dawei Song, Yuexian Hou
ATAL
2011
Springer
14 years 6 months ago
The face of emotions: a logical formalization of expressive speech acts
In this paper, we merge speech act theory, emotion theory, and logic. We propose a modal logic that integrates the concepts of belief, goal, ideal and responsibility and that allo...
Nadine Guiraud, Dominique Longin, Emiliano Lorini,...