Semantic Information Extraction: Overview and Basic Techniques

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Outline • Overview • Semantic class mining • Semantic hierarchy construction • Mining attribute names and values • General relation extraction ‣ Demo ‣ Summary 3/21/2012 9:28 AM
Demo • “Find needles in a haystack” • Mine open-domain semantic knowledge from web-scale data • Empower upper-layer applications with semantic knowledge • URL: http://needleseek.msra.cn 3/21/2012 9:28 AM
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Semantic Information Extraction: Ov
Page 3 and 4: ̵ ̵ ̵ ̵ ̵ Information Extracti
Page 5 and 6: ̵ ̵ Semantic Information Extracti
Page 7 and 8: IE Task: Named Entity Extraction
Page 9 and 10: IE Task: Relation & Event Extractio
Page 11 and 12: ̵ ̵ ̵ ̵ Semantic Class Mining
Page 13 and 14: ̵ PB Implementation • RASC minin
Page 15 and 16: ̵ ̵ ̵ ̵ ̵ ̵ ̵ ̵ Distributio
Page 17 and 18: DS Implementation DS approaches imp
Page 19 and 20: Compare and Combine PB & DS (cont.)
Page 21 and 22: Samples (Query: Apple) PB results D
Page 23 and 24: Related Papers • Harris, 1985 (in
Page 25 and 26: Semantic Hierarchy Construction
Page 27 and 28: Subtask: TermLabel • Approach: Pa
Page 29 and 30: ̵ ̵ Subtask: TermLabel (cont.)
Page 31 and 32: Related Papers • Hearst, COLING
Page 33 and 34: Semantic Attributes Attr2 Attr3 Att
Page 35 and 36: ̵ ̵ ̵ ̵ ̵ ̵ Attribute Name Ex
Page 37 and 38: Table Mining References • G. Lima
Page 39 and 40: ̵ ̵ General Relations • Relatio
Page 41 and 42: ̵ ̵ ̵ ̵ Supervised Learning •
Page 43 and 44: ̵ ̵ ̵ ̵ Kernel based Methods
Page 45 and 46: ̵ ̵ Tree Kernel for RDC • Convo
Page 47 and 48: ̵ ̵ Semi-Supervised Learning •
Page 49 and 50: Weakly Supervision • Handful of s
Page 51 and 52: Unsupervised Learning • Automatic
Page 53: References for General Relation Min
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Semantic Information Extraction: Overview and Basic Techniques

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