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PERCOM
2011
ACM
12 years 11 months ago
Tracking vehicular speed variations by warping mobile phone signal strengths
—In this paper, we consider the problem of tracking fine-grained speeds variations of vehicles using signal strength traces from GSM enabled phones. Existing speed estimation te...
Gayathri Chandrasekaran, Tam Vu, Alexander Varshav...
ACL
2011
12 years 11 months ago
Combining Morpheme-based Machine Translation with Post-processing Morpheme Prediction
This paper extends the training and tuning regime for phrase-based statistical machine translation to obtain fluent translations into morphologically complex languages (we build ...
Ann Clifton, Anoop Sarkar
ACL
2011
12 years 11 months ago
Semi-supervised latent variable models for sentence-level sentiment analysis
We derive two variants of a semi-supervised model for fine-grained sentiment analysis. Both models leverage abundant natural supervision in the form of review ratings, as well as...
Oscar Täckström, Ryan T. McDonald
ACL
2011
12 years 11 months ago
They Can Help: Using Crowdsourcing to Improve the Evaluation of Grammatical Error Detection Systems
Despite the rising interest in developing grammatical error detection systems for non-native speakers of English, progress in the field has been hampered by a lack of informative...
Nitin Madnani, Martin Chodorow, Joel R. Tetreault,...
ACMIDC
2011
12 years 11 months ago
Pop goes the cell phone: asynchronous messaging for preschoolers
This paper outlines a series of experiments to develop asynchronous messaging systems for preschool aged children. Three unique systems build on a foundational design called Toast...
Hayes Raffle, Rafael Ballagas, Glenda Revelle, Koi...