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» On Reduction of Lagrange Systems
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GLOBECOM
2010
IEEE
15 years 2 months ago
Frequency-Domain Oversampling for Zero-Padded OFDM in Underwater Acoustic Communications
Although time-domain oversampling of the received baseband signal is common for single-carrier transmissions, the counterpart of frequency-domain oversampling is rarely used for mu...
Zhaohui Wang, Shengli Zhou, Georgios B. Giannakis,...
NAACL
2010
15 years 2 months ago
Subword Variation in Text Message Classification
For millions of people in less resourced regions of the world, text messages (SMS) provide the only regular contact with their doctor. Classifying messages by medical labels suppo...
Robert Munro, Christopher D. Manning
CDC
2009
IEEE
138views Control Systems» more  CDC 2009»
15 years 2 months ago
Beyond local optimality: An improved approach to hybrid model learning
Abstract-- Local convergence is a limitation of many optimization approaches for multimodal functions. For hybrid model learning, this can mean a compromise in accuracy. We develop...
Stephanie Gil, Brian Williams
CICLING
2010
Springer
14 years 11 months ago
A Chunk-Driven Bootstrapping Approach to Extracting Translation Patterns
Abstract. We present a linguistically-motivated sub-sentential alignment system that extends the intersected IBM Model 4 word alignments. The alignment system is chunk-driven and r...
Lieve Macken, Walter Daelemans
ENTCS
2011
106views more  ENTCS 2011»
14 years 11 months ago
A Flexible Framework for Visualisation of Computational Properties of General Explicit Substitutions Calculi
SUBSEXPL is a system originally developed to visualise reductions, simplifications and normalisations in three important calculi of explicit substitutions and has been applied to...
F. L. C. de Moura, A. V. Barbosa, Mauricio Ayala-R...