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205
Voted
SDM
2009
SIAM
16 years 3 months ago
2009
SIAM
Identifying information-rich subsets in high-dimensional spaces and representing them as order revealing patterns (or trends) is an important and challenging research problem in m...
230
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Publication
We present a novel reranking framework for Content Based Image Retrieval (CBIR) systems based on con-textual dissimilarity measures. Our work revisit and extend the method of Perro...
202
Voted
WWW
2009
ACM
16 years 1 months ago
2009
ACM
Detection of web attacks is an important issue in current defense-in-depth security framework. In this paper, we propose a novel general framework for adaptive and online detectio...
136
Voted
PAKDD
2009
ACM
16 years 1 months ago
2009
ACM
Atypical behaviours are the basis of a valuable knowledge in domains related to security (e.g. fraud detection for credit card [1], cyber security [4] or safety of critical systems...
180
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
A two microphone direction of arrival (DOA) estimation technique for multiple speech sources is developed which exploits speech specific properties, namely sparsity in time-frequ...