Semantic Information Extraction: Overview and Basic Techniques
Semantic Information Extraction: Overview and Basic Techniques
Semantic Information Extraction: Overview and Basic Techniques
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IE Task: Relation & Event <strong>Extraction</strong><br />
• Related terms <strong>and</strong> entities<br />
• Categorization<br />
• Relation detection <strong>and</strong> classification<br />
• Event detection <strong>and</strong> classification<br />
• …<br />
• Similarity(significantly, substantially, 0.9)<br />
• Synonym(China, People’s Republic of China)<br />
• IsA(pear, fruit)<br />
• Peer(Beijing, Shanghai, Guangzhou…)<br />
• InClass(Beijing, C1)<br />
• BornIn(Barack Obama, 1961)<br />
• BornIn(PERSON, YEAR)<br />
• LocatedIn(ORGANIZATION, LOCATION)<br />
• DefeatedIn(Dallas Mavericks, Miami Heat, 2011 NBA Finals)
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