Probabilistic Matrix Factorization Leveraging Contexts for Unsupervised Relation Extraction.
Shingo TakamatsuIssei SatoHiroshi NakagawaPublished in: PAKDD (1) (2011)
Keyphrases
- relation extraction
- weakly supervised
- probabilistic matrix factorization
- information extraction
- automatic extraction
- collaborative filtering
- named entities
- matrix factorization
- domain specific
- semantic relations
- named entity recognition
- question answering
- unsupervised learning
- semantic features
- semantic role labeling
- dependency trees
- broad coverage
- semi supervised
- recommender systems
- tree kernels
- image segmentation
- natural language processing
- co occurrence
- low level
- information retrieval
- text mining