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JFR
2006
77views more  JFR 2006»
15 years 6 months ago
Learning from examples in unstructured, outdoor environments
In this paper, we present a multi-pronged approach to the "Learning from Example" problem. In particular, we present a framework for integrating learning into a standard...
Jie Sun, Tejas R. Mehta, David Wooden, Matthew Pow...
ECCC
2007
185views more  ECCC 2007»
15 years 6 months ago
Trapdoors for Hard Lattices and New Cryptographic Constructions
We show how to construct a variety of “trapdoor” cryptographic tools assuming the worst-case hardness of standard lattice problems (such as approximating the length of the sho...
Craig Gentry, Chris Peikert, Vinod Vaikuntanathan
MP
2006
107views more  MP 2006»
15 years 6 months ago
Optimality conditions in portfolio analysis with general deviation measures
Optimality conditions are derived for problems of minimizing a general measure of deviation of a random variable, with special attention to situations where the random variable cou...
R. Tyrrell Rockafellar, Stan Uryasev, Michael Zaba...
PSYCHNOLOGY
2006
81views more  PSYCHNOLOGY 2006»
15 years 6 months ago
An investigation into Older People's Browsing Activities
This paper presents quantitative data on browsing activities with 63 respondents aged 55 years old and over from three countries. The questionnaire explored frequently browsed top...
Prush Sa-nga-ngam, Sri Kurniawan
SIGIR
2008
ACM
15 years 6 months ago
Using parsimonious language models on web data
In this paper we explore the use of parsimonious language models for web retrieval. These models are smaller thus more efficient than the standard language models and are therefor...
Rianne Kaptein, Rongmei Li, Djoerd Hiemstra, Jaap ...