The UNL Program

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The UNL The UNL Program Program A program created by the United Nations University / Institute of Advanced Studies Now carried out by the UNDL Foundation www.undl.org

description

The UNL Program. A program created by the United Nations University / Institute of Advanced Studies Now carried out by the UNDL Foundation www.undl.org. Distinctive features. UNL is designed for multilingual information services , not for MT. Distinctive characteristics: - PowerPoint PPT Presentation

Transcript of The UNL Program

Page 1: The UNL Program

The UNL The UNL ProgramProgram

A program created by the United Nations University / Institute of Advanced Studies

Now carried out by the UNDL Foundationwww.undl.org

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Distinctive featuresDistinctive featuresUNL is designed for multilingual informationUNL is designed for multilingual information services services, not , not for MT.for MT.

Distinctive characteristics:Distinctive characteristics:• OOpen technology. Patents held by UNpen technology. Patents held by UN• Internet based.Internet based.• UNL docs are re-usable. Draft first, refine later.UNL docs are re-usable. Draft first, refine later.• UNL docs are upgradable as better generators are UNL docs are upgradable as better generators are developed.developed.• UNL system is scalable to new languages.UNL system is scalable to new languages.

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UNL PhilosophyUNL Philosophy

Internet

French People

Hindi PeopleSpanish People

Chinese PeopleFrench Chinese

Spanish

UNL System

Hindi

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UNL SystemUNL System

DocumentDocument BaseBase

UNL UNL Document Document

BaseBase

French French GeneratoGenerato

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HindHindii GeneratoGenerato

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Spanish Spanish GeneratoGenerato

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Chinese Chinese GeneratoGenerato

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Other Other language language GeneratorGenerator

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UNL ArchitectureUNL Architecture

Text in Text in naturalnatural

languagelanguage

AnalyzerAnalyzer

UNLUNL DictionaryDictionary

UNLUNLDocumentDocument

BaseBase

LanguageLanguageGeneratorGenerator

Generated

documents

UNL EditorUNL Editor

Language ServerLanguage Server

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UNL as an interlinguaUNL as an interlingua (1/4)(1/4)

• UNL is a partially formalised, artificial language for UNL is a partially formalised, artificial language for expressing informational content in a language-expressing informational content in a language-independent wayindependent way..• Essential components of this language are:Essential components of this language are:

• Universal words (UWs)Universal words (UWs): They represent concepts valid : They represent concepts valid in all languages. in all languages. • AttributesAttributes : Modify the meaning of the UWs : Modify the meaning of the UWs• RelationsRelations: Express the semantic relation between two : Express the semantic relation between two UWs.UWs.

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UNL as an interlinguaUNL as an interlingua (2/4)(2/4)

Universal WordsUniversal Words composed by:composed by:

1.1. Basic UWBasic UW: It is an English “headword” (for practical : It is an English “headword” (for practical reasons) (e.g.: snow)reasons) (e.g.: snow)

2.2. RestrictionsRestrictions: They perform a more accurate : They perform a more accurate semantic definition of the UW. {e.g.: cat (icl>animal) semantic definition of the UW. {e.g.: cat (icl>animal) or or snow(icl>thing) vs. snow(icl>occur)snow(icl>thing) vs. snow(icl>occur) } }

snownieve

snow

Schnee

neige

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UNL as an interlinguaUNL as an interlingua (3/4)(3/4)

AttributesAttributes: : modifiers of the UW meaningsmodifiers of the UW meanings

• number number (singular or plural); (e.g. @pl)

• reference reference (definite or indefinite); (e.g. @def)

• time and aspecttime and aspect; ;

• epistemic and deontic modalitiesepistemic and deontic modalities;;

• pragmatic intentionpragmatic intentions; s;

• etc...etc...

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UNL as an interlinguaUNL as an interlingua (4/4)(4/4)

Conceptual RelationsConceptual Relations• Semantic relations Semantic relations between UWsbetween UWs• 41 conceptual relations, grouped into 8 families41 conceptual relations, grouped into 8 families• Example: “the storm broke the windows”Example: “the storm broke the windows”

stormstorm (icl>action).@def

breakbreak (icl>do).@entry.@past

windowwindow (icl>thing).@def.@pl objobj

agtagt

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How to write a document in How to write a document in UNL?UNL?

UNL EDITORUNL EDITOR

LanguagLanguage Rulese Rules

EnconverteEnconverterr

Language/UNLLanguage/UNLDictionaryDictionary

Texts in

UNL

CatChatGato

cat(icl>animal)

[S]agt(run(icl>do).@entry.@past, I)ppl(run(icl>do).@entry.@past, street.@def)tim(run(icl>do).@entry.@past, yesterday)[/S]

Yesterday I ran in the street.

Hier, Je courais dans la rue.

Ayer yo corría en la calle

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UNL Organization UNL Organization (1/2)(1/2)

• Initially promoted by the United Initially promoted by the United Nations Nations University (UNU/IAS) (Tokyo)University (UNU/IAS) (Tokyo)• Fourteen languages involved.Fourteen languages involved.• In 2000 the UNU/IAS decided to In 2000 the UNU/IAS decided to create an create an independent organization independent organization to be in charge to be in charge of the UNL Program.of the UNL Program.• In 2001 the UNDL Foundation has In 2001 the UNDL Foundation has started started its activities (Geneva)its activities (Geneva)

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UNL Organization UNL Organization (2/2)(2/2)UNDL UNDL

FoundationFoundation

UNL UNL CenterCenter

UNL SystemUNL System• SpecificationsSpecifications• UW DictionaryUW Dictionary• Knowledge BaseKnowledge Base• ArchitectureArchitecture

UNL SocietyUNL Society• IndividualsIndividuals• CorporationsCorporations• InstitutionsInstitutions• Free Free membership for membership for R&D activitiesR&D activities

Language Language CentersCenters• 12 at the 12 at the momentmoment

MaintenanceMaintenance PromotioPromotionn

Co-ordinationCo-ordination