Creator | Title | Description | Subject | Date | ||
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![]() | Riloff, Ellen M. | Learning dictionaries for information extraction by multi-level bootstrapping | Information extraction systems usually require two dictionaries: a semantic lexicon and a dictionary of extraction patterns for the domain. We present a multilevel bootstrapping algorithm that generates both the semantic lexicon and extraction patterns simultaneously. As input, our technique requir... | Information extraction; Extraction patterns; Multi-level bootstrapping; Learning dictionaries | 1999 |