2683 search results - page 505 / 537 » Machine learning problems from optimization perspective |
SIGIR
2005
ACM
14 years 3 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...
LREC
2010
13 years 11 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...
ASSETS
2004
ACM
14 years 3 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...
JCDL
2004
ACM
14 years 3 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...
SAC
2008
ACM
13 years 9 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...