Searching for authors named "Thomas Pierce" – sorted by Relevance.

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4 documents found, showing 1 through 4.

Combining Multiple Learning Strategies for Effective Cross Validation
by Yiming Yang, Thomas Ault, Thomas Pierce — 2000 — In Proceedings of ICML-00, 17th International Conference on Machine Learning
…Parameter tuning through cross-validation becomes very difficult when the validation set contains no or only a few examples of the classes in the evaluation set. We address this open challenge by using a combination of classifiers with different performance characteristics to effectively reduc…
Cited by 14 (0 self) – Add To MetaCart

ABSTRACT An Approach to an Unified Process-Based Regional Emission Flux Modeling Platform
by William G. Benjey, Thomas E. Pierce
…The trend towards episodic modeling of environmentally-dependent emissions is increasing, with models available or under development for dust, ammonia, biogenic volatile organic compounds, soil nitrous oxide, pesticides, sea salt and chloride, mercury, and wild fire emissions. These emissions are es…
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Improving Text Categorization Methods for Event Tracking
by Yiming Yang, Tom Ault, Thomas Pierce, Charles W. Lattimer — 2000 — In Proceedings of ACM SIGIR Conference on Research and Development in Information Retrieval
…Automated tracking of events from chronologically ordered document streams is a new challenge for statistical text classification. Existing learning techniques must be adapted or improved in order to effectively handle difficult situations where the number of positive training instances per event is…
Cited by 24 (5 self) – Add To MetaCart

Topic Detection and Tracking Pilot Study Final Report
by James Allan, Jaime Carbonell, George Doddington, Jonathan Yamron, Yiming Yang, James Allan Umass, Brian Archibald Cmu, Doug Beeferman Cmu, Adam Berger Cmu, Ralf Brown Cmu, Ira Carp Dragon, George Doddington Darpa, Alex Hauptmann Cmu, John Lafferty Cmu, Victor Lavrenko Umass, Xin Liu Cmu, Steve Lowe Dragon, Paul Van Mulbregt Dragon, Ron Papka Umass, Thomas Pierce Cmu, Jay Ponte Umass, Mike Scudder Umass — 1998 — In Proceedings of the DARPA Broadcast News Transcription and Understanding Workshop
…Topic Detection and Tracking (TDT) is a DARPA-sponsored initiative to investigate the state of the art in finding and following new events in a stream of broadcast news stories. The TDT problem consists of three major tasks: (1) segmenting a stream of data, especially recognized speech, into distinc…
Cited by 156 (20 self) – Add To MetaCart

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