Weakly supervised relevance feedback based on an improved language model.
Xinsheng LiSi LiWeiran XuGuang ChenJun GuoPublished in: NLPKE (2010)
Keyphrases
- language model
- weakly supervised
- relevance feedback
- document retrieval
- retrieval model
- query expansion
- pseudo relevance feedback
- information retrieval
- probabilistic model
- topic models
- superpixels
- object class
- n gram
- semi supervised
- relation extraction
- test collection
- image retrieval
- information retrieval systems
- mixture model
- information extraction
- named entities
- relevant documents
- active learning
- object detection
- training data
- object detectors
- multiscale
- object recognition
- text mining
- image database
- visual features
- similarity measure
- graphical models