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Universal Word and UNL Knowledge Base. Meiying Zhu Hiroshi Uchida UNL Center UNDL Foundation. Issues. What is a UW? What is the relation between UWs and the UNL Knowledge Base (KB)? How to define a UW?. What is a UW?. Vocabulary of UNL Labels for concepts
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Universal Word and UNL Knowledge Base Meiying Zhu Hiroshi Uchida UNL Center UNDL Foundation ICUKL-2002, 25-28 Nov, Goa, India
Issues • What is a UW? • What is the relation between UWs and the UNL Knowledge Base (KB)? • How to define a UW? ICUKL-2002, 25-28 Nov, Goa, India
What is a UW? • Vocabulary of UNL • Labels for concepts ‘dance(icl>action)’ : (a social) dance ‘dance(agt>volitional thing)’ : to dance • Semantic-syntactic units of UNL expressions “I danced yesterday” agt(dance(agt>volitional thing).@entry.@past, I) tim(dance(agt>volitional thing).@entry.@past, yesterday) ICUKL-2002, 25-28 Nov, Goa, India
What concepts UWs can express? • Since UWs are made up based on English words, • How to deal with a concept not found in English? • How to deal with a concept different from English? How to deal with the difference between concepts? ICUKL-2002, 25-28 Nov, Goa, India
E C C E C E Concepts and English Words (2) (4) C=E (1) C ? (3) (5) ICUKL-2002, 25-28 Nov, Goa, India
E C C ? C E C E Concepts and English Words C=E ICUKL-2002, 25-28 Nov, Goa, India
Collection of Concepts E1 E2 E3 E4 E5 ICUKL-2002, 25-28 Nov, Goa, India
Hierarchy of Concepts C C3 C1 C2 ICUKL-2002, 25-28 Nov, Goa, India
To define a concept is to link the UW for the concept to related UWs in the UNL KB • If necessary, specialize the UW ICUKL-2002, 25-28 Nov, Goa, India
Relation betweenUWsandUNL KB • UNL KB define the concepts of UWs • UWs construct the UNL KB ICUKL-2002, 25-28 Nov, Goa, India
What is the UNL KB? • The UNL KB is a semantic network comprising every directed binary relation holding between UWs. • All binary relations of the UNL KB are under the following format: relation(UW1, UW2)= 0 ~ 255; ICUKL-2002, 25-28 Nov, Goa, India
uw(aoj>thing) uw(mod<thing) part(pof>thing) thing be do occur abstract thing concrete thing functional thing place volitional thing UW SYSTEM OF THE UNL KB uw adjective concept adverbial concept nominal concept verbal concept how do(agt>thing) do(agt>thing,gol>thing) do(agt>thing,gol>thing,obj>thing) do(agt>thing,…) ICUKL-2002, 25-28 Nov, Goa, India
Property Inheritance Lower UWs inherit the properties of upper UWs Replacement Upper UWs can replace lower UWs in the specific context of the lower UWs Features of the UW SYSTEM ICUKL-2002, 25-28 Nov, Goa, India
Frame of Master Definition <HEADWORD> ( icl> <UW>, iof> <UW>, equ> <UW>, agt> <UW>, and> <UW>, aoj> <UW>, bas> <UW>, ben> <UW>, … via> <UW> ) Link to at least one upper UW Describe relations specific to the UW ICUKL-2002, 25-28 Nov, Goa, India
La Lb Lc UW1 UW2 UW3 MD1 MD2 MD3 Roles of Master Definition UW1 UW2 UW3 • Define the concept • Define the label for the concept • Build up the UNL KB ICUKL-2002, 25-28 Nov, Goa, India
do{(agt>thing,and>do,ben>thing,cag>thing,cob>thing,con>thing, coo>thing,cnt>do,dur>thing,gol>thing,ins>concrete thing, man>how,met>abstract thing,obj>thing,plc>place>thing, plf>thing,plt>thing,ptn>thing,pur>thing,rsn>thing,scn>thing, seq>do,src>thing,tim>time,tmf>time,tmt>time,via>thing, icl>verbal concept)} do(agt>thing{,^gol>thing,icl>do,^obj>thing,^ptn>thing,^src>thing}) do(agt>volitional thing{,icl>do(agt>thing)}) act({icl>do(}agt>volitional thing{)}) breathe({icl>do(}agt>volitional thing{)}) dance({icl>do(}agt>volitional thing{)}) … ICUKL-2002, 25-28 Nov, Goa, India
More information is available at URL: www.unlc.undl.org ICUKL-2002, 25-28 Nov, Goa, India