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ICML
2004
IEEE
16 years 3 days ago
Optimising area under the ROC curve using gradient descent
This paper introduces RankOpt, a linear binary classifier which optimises the area under the ROC curve (the AUC). Unlike standard binary classifiers, RankOpt adopts the AUC stat...
Alan Herschtal, Bhavani Raskutti
MM
2004
ACM
195views Multimedia» more  MM 2004»
16 years 3 days ago
Facial expression representation and recognition based on texture augmentation and topographic masking
The variation of facial texture and surface due to the change of expression is an important cue for analyzing and modeling facial expressions. In this paper, we propose a new appr...
Lijun Yin, Johnny Loi, Wei Xiong
MM
2004
ACM
107views Multimedia» more  MM 2004»
16 years 3 days ago
Time, voice, and joyce
We present a design for recapitulating walks through Dublin's City Centre by characters in James Joyce's Ulysses. Our computationally supported walkers will avail themse...
Andrea Taylor, Brendan Donovan, Zoltan Foley-Fishe...
NSPW
2004
ACM
16 years 3 days ago
The role of suspicion in model-based intrusion detection
We argue in favor of the explicit inclusion of suspicion as a concrete concept to be used in the analysis of audit data in order to guide the search for evidence of misuse. Our ap...
Timothy Hollebeek, Rand Waltzman
SIGCOMM
2004
ACM
16 years 3 days ago
Link-level measurements from an 802.11b mesh network
This paper analyzes the causes of packet loss in a 38-node urban multi-hop 802.11b network. The patterns and causes of loss are important in the design of routing and errorcorrect...
Daniel Aguayo, John C. Bicket, Sanjit Biswas, Glen...