Director, Proteus Project Research in Natural Language Processing Prof. Ralph Grishman Director, Proteus Project Research in Natural Language Processing NYU Proteus Project Information Extraction: finding information in text about specified types of events and populating a data base George Garrick, 40 years old, president of the London-based European Information Services Inc., was appointed chief executive officer of Nielsen Marketing Research, USA.

Web site: nlp.cs.nyu.edu The challenge of Information Extraction: finding the many ways an event may be described appointed George Garrick was named to the position of CEO selected as the next will join the firm as Our group is developing strategies to learn these different forms automatically. Web site: nlp.cs.nyu.edu Approaches … supervised learning: annotate a lot of examples and train a model semi-supervised learning: annotate a few examples and find more examples automatically from the Web (rely on complementary features) active learning: select examples to ask the user about … minimize the information the user must provide