34170 search results - page 6187 / 6834 » Optimization |
232
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EMNLP
2011
14 years 7 months ago
2011
We present a general learning-based approach for phrase-level sentiment analysis that adopts an ordinal sentiment scale and is explicitly compositional in nature. Thus, we can mod...
243
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EMNLP
2011
14 years 7 months ago
2011
Log-linear parsing models are often trained by optimizing likelihood, but we would prefer to optimise for a task-specific metric like Fmeasure. Softmax-margin is a convex objecti...
203
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ICMCS
2007
IEEE
16 years 1 months ago
2007
IEEE
Segmentation of video objects from background is a popular computer vision problem and has many important applications. Most existing methods are either computationally expensive ...
208
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GANDC
2011
14 years 7 months ago
2011
3D geological models commonly built to manage natural resources are much affected by uncertainty because most of the subsurface is inaccessible to direct observation. Appropriate ...
203
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IACR
2011
14 years 7 months ago
2011
Although anonymous authentication has been extensively studied, so far no scheme has been widely adopted in practice. A particular issue with fully anonymous authentication schemes...