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ICDCS
2007
IEEE
15 years 4 months ago
Streaming Algorithms for Robust, Real-Time Detection of DDoS Attacks
Effective mechanisms for detecting and thwarting Distributed Denial-of-Service (DDoS) attacks are becoming increasingly important to the success of today’s Internet as a viable ...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
SIGIR
2003
ACM
15 years 3 months ago
Beyond independent relevance: methods and evaluation metrics for subtopic retrieval
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
ChengXiang Zhai, William W. Cohen, John D. Laffert...
CNSR
2007
IEEE
128views Communications» more  CNSR 2007»
15 years 4 months ago
A Novel Approach for Frequent Phrase Mining in Web Search Engine Query Streams
In this paper, conceptual frequency rate, a new frequency definition suitable for query stream mining, is introduced. An online single-pass algorithm called OFSD (Online Frequent...
M. Barouni-Ebrahimi, Ali A. Ghorbani
ICDAR
2009
IEEE
15 years 4 months ago
Script-Independent Handwritten Textlines Segmentation Using Active Contours
Handwritten document images contain textlines with multi orientations, touching and overlapping characters within consecutive textlines, and small inter-line spacing making textli...
Syed Saqib Bukhari, Faisal Shafait, Thomas M. Breu...
VTC
2006
IEEE
125views Communications» more  VTC 2006»
15 years 3 months ago
On Ordering Optimization for MIMO Systems with Decentralized Receivers
Abstract— This paper addresses Tomlinson-Harashima Precoding (THP) for the downlink of multiuser systems, where the transmitter is equipped with multiple antennas and each decent...
René Habendorf, Gerhard Fettweis