1. Snowball: extracting relations from large plain-text collections;Agichtein,2000
2. Wanderlust: extracting semantic relations from natural language text using dependency grammar patterns;Akbik,2009
3. MaltOptimizer: an optimization tool for MaltParser;Ballesteros,2012
4. An adapted Lesk algorithm for word sense disambiguation using WordNet;Banerjee,2002
5. Querying the semantic web with ginseng: a guided input natural language search engine;Bernstein,2005