408 search results - page 43 / 82 » A New Method for Sentiment Classification in Text Retrieval |
106
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ICMLA
2007
15 years 14 days ago
2007
We apply a new active learning formulation to the problem of learning medical concepts from unstructured text. The new formulation is based on maximizing the mutual information th...
112
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FLAIRS
2000
15 years 12 days ago
2000
For manyknowledgeintensive applications, it is necessary to have extensive domain-specific knowledgein addition to general-purpose knowledge bases usually built around MachineRead...
110
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CIKM
2007
Springer
15 years 25 days ago
2007
Springer
One aspect in which retrieving named entities is different from retrieving documents is that the items to be retrieved – persons, locations, organizations – are only indirect...
ICML
2004
IEEE
15 years 12 months ago
2004
IEEE
We present an algorithmic framework for supervised classification learning where the set of labels is organized in a predefined hierarchical structure. This structure is encoded b...
85
Voted
ANLP
1997
15 years 11 days ago
1997
In this paper we report on our natural language information retrieval (NLIR) project as related to the recently concluded 5th Text Retrieval Conference (TREC-5). The main thrust o...