WUST CRF-Based System at NTCIR-13 ECA Task.
Maofu LiuLinxu XiaZhenlian ZhangYang FuPublished in: NTCIR (2017)
Keyphrases
- conditional random fields
- test collection
- graphical models
- crf model
- eca rules
- information extraction
- patent retrieval
- pairwise
- markov random field
- web retrieval
- random fields
- cross language information retrieval
- parameter learning
- event condition action
- generative model
- hidden markov models
- contextual features
- maximum entropy
- higher order
- named entity recognition
- probabilistic model
- information retrieval
- cross lingual information retrieval
- active rules
- evaluation framework
- trec web
- evaluation metrics
- retrieval effectiveness
- retrieval systems
- document collections
- active databases
- average precision
- fully connected
- superpixels
- retrieval model
- relevant documents
- reactive behavior
- multiscale