479 search results - page 71 / 96 » Hidden Conditional Random Fields |
SIGIR
2010
ACM
14 years 2 months ago
2010
ACM
The context of the user queries, preceding a given query, is utilized to improve the effectiveness of query classification. Earlier efforts utilize fixed number of preceding queri...
ACL
2008
14 years 10 days ago
2008
Statistical machine learning methods are employed to train a Named Entity Recognizer from annotated data. Methods like Maximum Entropy and Conditional Random Fields make use of fe...
COLING
2008
14 years 10 days ago
2008
Classifying what-type questions into proper semantic categories is found more challenging than classifying other types in question answering systems. In this paper, we propose to ...
EMNLP
2007
14 years 10 days ago
2007
In this paper, we address the problem of extracting data records and their attributes from unstructured biomedical full text. There has been little effort reported on this in the ...
EMNLP
2008
14 years 10 days ago
2008
The Named Entity Recognition (NER) task has been garnering significant attention in NLP as it helps improve the performance of many natural language processing applications. In th...