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IJCAI
2003
15 years 8 months ago
A Revised Algorithm for Latent Semantic Analysis
The intelligent tutoring system AutoTutor uses latent semantic analysis to evaluate student answers to the tutor's questions. By comparing a student's answer to a set of...
Xiangen Hu, Zhiqiang Cai, Max M. Louwerse, Andrew ...
JUCS
2010
109views more  JUCS 2010»
15 years 1 months ago
Semantics of Query-Driven Communication of Exact Values
: We address the question of how to communicate among distributed processes values such as real numbers, continuous functions and geometrical solids with arbitrary precision, yet e...
Michal Konecný, Amin Farjudian
TIT
1998
102views more  TIT 1998»
15 years 6 months ago
On Characterization of Entropy Function via Information Inequalities
—Given n discrete random variables = fX1;111; Xng, associated with any subset of f1; 2; 111; ng, there is a joint entropy H(X ) where X = fXi:i 2 g. This can be viewed as a f...
Zhen Zhang, Raymond W. Yeung
CLEF
2009
Springer
15 years 7 months ago
Overview of QAST 2009
This paper describes the experience of QAST 2009, the third time a pilot track of CLEF has been held aiming to evaluate the task of Question Answering in Speech Transcripts. Four ...
Jordi Turmo, Pere Comas, Sophie Rosset, Olivier Ga...
STOC
2009
ACM
156views Algorithms» more  STOC 2009»
16 years 7 months ago
Polynomial-time theory of matrix groups
We consider matrix groups, specified by a list of generators, over finite fields. The two most basic questions about such groups are membership in and the order of the group. Even...
László Babai, Robert Beals, Á...