Outclassing Wikipedia in Open-Domain Information Extraction: Weakly-Supervised Acquisition of Attributes over Conceptual Hierarchies.
Marius PascaPublished in: EACL (2009)
Keyphrases
- open domain
- weakly supervised
- information extraction
- named entities
- relation extraction
- semantic attributes
- named entity recognition
- natural language processing
- question answering
- text mining
- conditional random fields
- text documents
- information retrieval
- free text
- web documents
- machine learning
- semantic relations
- machine translation
- natural language
- topic models
- superpixels
- object class
- knowledge base
- co occurrence
- semi supervised
- low level features
- visual features
- text processing
- feature selection
- text corpus