Roget's Thesaurus has gone through many revisions since it was first published 150 years ago. But how do these revisions affect Roget's usefulness for NLP? We examine th...
Co-citations have long been used as a measure of topical relatedness between documents. However, we have observed some characteristic patterns in the way cocitations are formed in...
Mandar R. Mutalikdesai, Srinath Srinivasa, Viswana...
This study explores language's fragmenting effect on usergenerated content by examining the diversity of knowledge representations across 25 different Wikipedia language edit...
—Sparse representations have emerged as a powerful tool in signal and information processing, culminated by the success of new acquisition and processing techniques such as Compr...
The paper considers making inferences about the underlying true 2-D motion when only evaluations of a local block-based cost function, the mean of absolute or squared differences,...