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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 2 of 2 1 Effective information extraction with semantic affinity patterns and relevant regions Riloff, Ellen M.; Patwardhan, Siddharth. - : Association for Computational Linguistics, 2007 Abstract: Journal Article ; We present an information extraction system that decouples the tasks of finding relevant regions of text and applying extraction patterns. We create a self-trained relevant sentence classifier to identify relevant regions, and use a semantic affinity measure to automatically learn domain-relevant extraction patterns. We then distinguish primary patterns from secondary patterns and apply the patterns selectively in the relevant regions. The resulting IE system achieves good performance on the MUC-4 terrorism corpus and ProMed disease outbreak stories. This approach requires only a few seed extraction patterns and a collection of relevant and irrelevant documents for training. Keyword: Information extraction; Information retrieval; MUC-4 terrorism corpus; ProMed disease outbreak stories; Relevant regions; Semantic affinity patterns URL: https://collections.lib.utah.edu/ark:/87278/s6hh735g BASE Hide details 2 Exploiting role-identifying nouns and expressions for information extraction Riloff, Ellen M.; Phillips, William. - : Recent Advances in Natural Language Processing, 2007 BASE Show details

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