2683 search results - page 505 / 537 » Machine learning problems from optimization perspective |
120
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SIGIR
2005
ACM
15 years 7 months ago
2005
ACM
We introduce a new model for semantic annotation and retrieval from image databases. The new model is based on a probabilistic formulation that poses annotation and retrieval as c...
119
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LREC
2010
15 years 3 months ago
2010
We have previously reported on ProPOSEL, a purpose-built Prosody and PoS English Lexicon compatible with the Python Natural Language ToolKit. ProPOSEC is a new corpus research res...
128
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ASSETS
2004
ACM
15 years 7 months ago
2004
ACM
We report here on our progress on a project first described at the ASSETS 2002 conference. At that time, we had developed a prototype system in which a proxy server intermediary w...
107
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JCDL
2004
ACM
15 years 7 months ago
2004
ACM
A large amount of research, technical and professional documents are available today in digital formats. Digital libraries are created to facilitate search and retrieval of inform...
141
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SAC
2008
ACM
15 years 1 months ago
2008
ACM
A major obstacle that decreases the performance of text classifiers is the extremely high dimensionality of text data. To reduce the dimension, a number of approaches based on rou...