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SIGIR
2005
ACM
15 years 11 months ago
A study of the dirichlet priors for term frequency normalisation
In Information Retrieval (IR), the Dirichlet Priors have been applied to the smoothing technique of the language modeling approach. In this paper, we apply the Dirichlet Priors to...
Ben He, Iadh Ounis
147
Voted
AIEDU
2007
83views more  AIEDU 2007»
15 years 5 months ago
Evidence-based Approach to Interacting with Open Student Models
Research efforts focused on developing "active reports" are currently underway. Active reports are designed to foster communication among teachers, students, and parents ...
Diego Zapata-Rivera, Eric G. Hansen, Valerie J. Sh...
IUI
2006
ACM
15 years 11 months ago
Eye-tracking to model and adapt to user meta-cognition in intelligent learning environments
In this paper we describe research on using eye-tracking data for on-line assessment of user meta-cognitive behavior during the interaction with an intelligent learning environmen...
Christina Merten, Cristina Conati
CLEF
2007
Springer
15 years 11 months ago
A Dirichlet-Smoothed Bigram Model for Retrieving Spontaneous Speech
We present two simple but effective smoothing techniqes for the standard language model (LM) approach to information retrieval [12]. First, we extend the unigram Dirichlet smoothi...
Matthew Lease, Eugene Charniak
EUSFLAT
2003
134views Fuzzy Logic» more  EUSFLAT 2003»
15 years 7 months ago
Fuzzy approaches to access information on the web: recent developments and research trends
In this paper some research trends are presented concerning the application of fuzzy techniques to model flexible systems for the access to information on the WWW. The focus is o...
Enrique Herrera-Viedma, Gabriella Pasi