Unsupervised Ontology Induction From Text - Microsoft Research

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Unsupervised Ontology Induction From Text - Microsoft Research

Unsupervised Ontology Induction From Text - Microsoft Research

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Outline<br />

• Background: USP<br />

• <strong>Unsupervised</strong> ontology induction<br />

• Conclusion<br />

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Outline • Background: USP • <strong>Unsupervised</strong> ontology induction • Conclusion 24

OntoUSP • USP + Hierarchical clustering + Shrinkage • Modify the cluster mixture formula InClust(e,c) ^ ISA(c,+d) ^ HasValue(e,+v)

Page 1 and 2: Unsupervised Ontology Induction Fro
Page 5 and 6: Extracting Knowledge From Text …
Page 7 and 8: Unsupervised Learning for Knowledge
Page 9 and 10: Ontology Learning • Attracts incr
Page 11 and 12: Outline • Background: USP • Uns
Page 13 and 14: Challenge: Same Meaning, Many Varia
Page 15 and 16: Unsupervised Semantic Parsing • U
Page 17 and 18: Unsupervised Semantic Parsing • U
Page 19 and 20: Unsupervised Semantic Parsing • U
Page 21 and 22: Unsupervised Semantic Parsing • E
Page 23: Learning: Hill-Climb Likelihood Ini
Page 27 and 28: Experiments • Evaluate on an end
Page 29 and 30: Induced Ontology (Partial)
Page 31: Conclusion • OntoUSP: Unsupervise