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CycL Semantic Annotation. Dave Schneider April 2005. CycL as Deep Semantic Representation. OpenCyc (47K concepts and taxonomy, free for any use) Growing closer to Cyc’s 130K+ Concepts Inference Engine designed for use with very large ontology Higher-order Logical Representation
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CycL Semantic Annotation Dave SchneiderApril 2005
CycL as Deep Semantic Representation • OpenCyc (47K concepts and taxonomy, free for any use) • Growing closer to Cyc’s 130K+ Concepts • Inference Engine designed for use with very large ontology • Higher-order Logical Representation • Download at opencyc.org • ResearchCyc (free for research purposes) • OpenCyc concepts • Axioms inter-relating concepts • Lexical Mappings • Most contents in First-Order Logic
He will probably be extradited to the U.S. for trial under an extradition treaty President Virgilia Barco has revived. • Extradition001: Extradition (objectOfControlTranser Extradition001 JoseAbelloSilva) (fromOrganization Extradition-001 Colombia) (toOrganization Extradition-001 UnitedStatesOfAmerica) (dateOfEvent Extradition001 Date002) (likelihoodOfEvent Extradition001 Likely) • Date002: Date (startsAfterEndingOf Date002 PublicationDate-Indexical)
He will probably be extradited to the U.S. for trial under an extradition treaty President Virgilia Barco has revived. (cont) • Revival-001: RevivingAnAgreement (isa Revival-001 RevivingAnAgreement) (objectOfStateChange Revival-001 Treaty-001) (performedBy Revival-001 VirgiliaBarco) • Date003: Date (dateOfEvent Revival-001 Date003) (temporallyPrecedes Date003 PublicationDate-Indexical) • Treaty-001:Treaty • (topicOfPCW Treaty-001 Extradition) • (agreementAllows Treaty-001 UnitedStatesOfAmerica (SubcollectionOfWithRelationToFn Extradition fromOrganization Colombia)) • (agreeingAgents Treaty-001 UnitedStatesOfAmerica) • (agreeingAgents Treaty-001 Colombia)
Partial Annotation Strategies • Deep Entity Typing • Entity Identification(reference resolution to actual individuals) • Events and Roles • Temporal Expressions and their relation to events • Can be projected onto existing annotation standards
CycL Annotation • Current Annotation Status • Small amount of newswire and English questions for tool development • Expected Uses • Automated Reasoning (for use just about anywhere) • Machine Translation • interlingua and/or for consistency checking • Information Extraction • Much deeper entity and relation types • Question Answering • Understand questions and documents for automated reasoning • Sanity checking, etc. • Word Sense Disambiguation • Summarization • Full Annotation provides semantic document content