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NAACL
2010
14 years 11 months ago
The Best Lexical Metric for Phrase-Based Statistical MT System Optimization
Translation systems are generally trained to optimize BLEU, but many alternative metrics are available. We explore how optimizing toward various automatic evaluation metrics (BLEU...
Daniel Cer, Christopher D. Manning, Daniel Jurafsk...
EDM
2009
124views Data Mining» more  EDM 2009»
14 years 11 months ago
Detecting and Understanding the Impact of Cognitive and Interpersonal Conflict in Computer Supported Collaborative Learning Envi
This paper presents a model which can automatically detect a variety of student speech acts as students collaborate within a computer supported collaborative learning environment. ...
David Prata, Ryan Baker, Evandro Costa, Carolyn Pe...
ACCV
2010
Springer
14 years 8 months ago
An Unsupervised Framework for Action Recognition Using Actemes
Abstract. In speech recognition, phonemes have demonstrated their efficacy to model the words of a language. While they are well defined for languages, their extension to human act...
Kaustubh Kulkarni, Edmond Boyer, Radu Horaud, Amit...
ACCV
2010
Springer
14 years 8 months ago
Spatiotemporal Closure
Spatiotemporal segmentation is an essential task for video analysis. The strong interconnection between finding an object's spatial support and finding its motion characterist...
Alex Levinshtein, Cristian Sminchisescu, Sven J. D...
WH
2010
142views Healthcare» more  WH 2010»
14 years 8 months ago
Social sensing: obesity, unhealthy eating and exercise in face-to-face networks
What is the role of face-to-face interactions in the diffusion of health-related behaviors- diet choices, exercise habits, and long-term weight changes? We use co-location and com...
Anmol Madan, Sai T. Moturu, David Lazer, Alex Pent...