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Article
Automatic question answering using the web: Beyond the Factoid
In this paper we describe and evaluate a Question Answering (QA) system that goes beyond answering factoid questions. Our approach to QA assumes no restrictions on the type of questions that are handled, and n...
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Chapter and Conference Paper
Processing Natural Language without Natural Language Processing
We can still create computer programs displaying only the most rudimentary natural language processing capabilities. One of the greatest barriers to advanced natural language processing is our inability to ove...
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Chapter
A Closer Look at the Automatic Induction of Linguistic Knowledge
Much recent research activity has focused toward automatically extracting linguistic information from on-line corpora. There is no question that great progress has been made applying machine learning to comput...
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Chapter
Tagging Unknown Words
In the previous chapters we have assumed that there was information present on each word, or at least on its underlying lemma. Most taggers rely on such lexical information, listing the allowable tags for each...
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Chapter
Corpus-Based Rules
As we have seen in the previous chapter, we can use rules to select an appropriate tag for each token. We will continue investigating the use of rules in this chapter. However, where in the previous chapter th...
