Foundations of Semantic Web Chapter 4 - OWL

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Negated Role Assignments ● We may now declare that two individuals are NOT related by a given role.
Datatypes ● Most XML Schema datatypes are already supported in OWL1. ● OWL introduces some new ones: ○ owl:real - the set of real numbers ○ owl:rational ○ rdf:plainLiteral ○ xsd:dateTimeStamp - datetime w/ timezone ● Supports use of constraining facets to restrict datavalues -> Teenager = person(age:13-19)
Page 1 and 2: Foundations of Semantic Web Chapter
Page 3 and 4: OWL Syntax and Intuitive Semantics
Page 5 and 6: The header of an OWL Ontology ● C
Page 7 and 8: Classes, Roles, and Individuals ●
Page 9 and 10: Classes ● Two predefined classes
Page 11 and 12: Roles (Properties) Two roles in OWL
Page 13 and 14: Concrete ● Connects individuals w
Page 15 and 16: Role assignment ● Possible to ass
Page 17 and 18: Simple Class Relations ● Logical
Page 19 and 20: Relations between individuals
Page 21 and 22: Boolean class constructors ● OWL
Page 23 and 24: OR (disjunction) ● owl:unionOf
Page 25 and 26: Role restrictions ● Universal qua
Page 27 and 28: Role restrictions ● Max two exami
Page 29 and 30: Role Characteristics ● Roles may
Page 31 and 32: Owl Species ● OWL can be divided
Page 33 and 34: OWL DL and Lite ● OWL DL is a res
Page 35 and 36: OWL 2 DL ● A backwards compatible
Page 37 and 38: Role Characteristics and Relationsh
Page 39 and 40: Role Chains ● Allows for role cha
Page 41: The Self Construct ● Allows for i
Page 45 and 46: Standard OWL2 profiles ● OWL2 ○
Page 47 and 48: OWL2 QL ● Allows conjunctive quer
Page 49 and 50: OWL2 Full ● OWL2 equivalent of OW

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