Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U...

34
Hypermedia Lexica and Hypermedia Lexica and Lexicon Metadata Lexicon Metadata The MetaLex model in the ModeLex The MetaLex model in the ModeLex project project Dafydd Gibbon Dafydd Gibbon U Bielefeld U Bielefeld Europe Europe E-MELD Workshop, Detroit, August 2002 E-MELD Workshop, Detroit, August 2002

Transcript of Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U...

Page 1: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Hypermedia Lexica andHypermedia Lexica andLexicon MetadataLexicon Metadata

The MetaLex model in the ModeLex projectThe MetaLex model in the ModeLex project

Dafydd GibbonDafydd GibbonU BielefeldU Bielefeld

EuropeEurope

E-MELD Workshop, Detroit, August 2002E-MELD Workshop, Detroit, August 2002

Page 2: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

OverviewOverview

Metalex goalsMetalex goalsBackground: DATR, Hyprlex, Speech, Language Background: DATR, Hyprlex, Speech, Language

DocumentationDocumentation

Metalex design: theory and practiceMetalex design: theory and practiceLexical documents & metadocumentsLexical documents & metadocumentsLexical objects, properties, structuresLexical objects, properties, structures

Metalex implementationMetalex implementationIvory Coast encyclopaedia projectIvory Coast encyclopaedia projectEga documentation model projectEga documentation model projectThe Modelex (multimodal lexicon) projectThe Modelex (multimodal lexicon) projectIvory Coast + Nigeria documentation curriculum projectIvory Coast + Nigeria documentation curriculum project

Extending metalexExtending metalexModalities & submodalitiesModalities & submodalitiesData-driven lexicographyData-driven lexicographyData structures & algorithms: trees, lattices; induction, inferenceData structures & algorithms: trees, lattices; induction, inference

Page 3: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

General objectives:General objectives: Versatile high quality spoken language lexicographyVersatile high quality spoken language lexicography Motivated balance of high-tech + low techMotivated balance of high-tech + low tech Good resources are Good resources are data-drivendata-driven and and theory-informedtheory-informed

Specific project objectives:Specific project objectives: DATR/ILEX: formal lexicon theory and implementationDATR/ILEX: formal lexicon theory and implementation

VerbMobil: integrated HyprLex dissemination modelVerbMobil: integrated HyprLex dissemination model

HyprLex encyclopaedia model for Ivory Coast LanguagesHyprLex encyclopaedia model for Ivory Coast Languages

Ega endangered language documentation modelEga endangered language documentation model

Modelex - theory and design of multimodal lexicaModelex - theory and design of multimodal lexica

Ivory Coast and Nigeria curricula for language documentationIvory Coast and Nigeria curricula for language documentation

Metalex goals: backgroundMetalex goals: background

Page 4: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.
Page 5: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.
Page 6: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Data-driven data + metadata acqusition:Data-driven data + metadata acqusition:

Systematic metatext derived from and supporting ...Systematic metatext derived from and supporting ... Computational fieldworkComputational fieldwork

Induction of lexicaInduction of lexica

Theory-informed data + metadata acquisition:Theory-informed data + metadata acquisition:

Integrated Lexicon (ILEX) consisting of ...Integrated Lexicon (ILEX) consisting of ... Abstract Lexicon (ALEX) - "theory" in the mathematical senseAbstract Lexicon (ALEX) - "theory" in the mathematical sense

Object Lexicon (OLEX) - "model" in the mathematical senseObject Lexicon (OLEX) - "model" in the mathematical sense

Metalex design: data and theoryMetalex design: data and theory

Page 7: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Data-driven acquisition:Data-driven acquisition: Computational fieldworkComputational fieldwork

Portable metadatabase with restricted vocabulary and general metatext, andPortable metadatabase with restricted vocabulary and general metatext, and

Definition of and support for transcription + annotationDefinition of and support for transcription + annotation Portable support for scenarios, scriptsPortable support for scenarios, scripts Portable support for lexicon processingPortable support for lexicon processing

Induction of lexicaInduction of lexicaLexicon tools forLexicon tools for

Extraction of macrostructural elements (lexeme elements)Extraction of macrostructural elements (lexeme elements) Induction of microstructural information (media concordance, POS, ...)Induction of microstructural information (media concordance, POS, ...) Induction of mesostructural regularities and subregularities (grammar, ...)Induction of mesostructural regularities and subregularities (grammar, ...)

Metalex design: dataMetalex design: data

Page 8: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Theory-informed formalisation:Theory-informed formalisation: Abstract Lexicon (ALEX) - "theory" in the mathematical senseAbstract Lexicon (ALEX) - "theory" in the mathematical sense

Decomposition (componential A-V description)Decomposition (componential A-V description) Generalisation (inheritance)Generalisation (inheritance) Composition (multilinear operations)Composition (multilinear operations)

Object Lexicon (OLEX) - "model" in the mathematical senseObject Lexicon (OLEX) - "model" in the mathematical sense XML archiving and dissemination formatsXML archiving and dissemination formats object-relational database acquisition and processing formatsobject-relational database acquisition and processing formats

= Integrated Lexicon (ILEX)= Integrated Lexicon (ILEX)

Metalex design: theoryMetalex design: theory

Page 9: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.
Page 10: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.
Page 11: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Data model Data model Theory = shared lexicon architecture: Theory = shared lexicon architecture: Macrostructure: declarative and procedural componentsMacrostructure: declarative and procedural components

Lexicon architecture: relational, inheritance, text, ...Lexicon architecture: relational, inheritance, text, ... Lexical objects: entry typesLexical objects: entry types Lexical access: fact query, semasiological / onomasiological indexingLexical access: fact query, semasiological / onomasiological indexing

Mesostructure:Mesostructure: Generalisations: grammar, phonetics, cultural background, ...Generalisations: grammar, phonetics, cultural background, ... Composition of lexicon object types: idioms, words, morphemes, ...Composition of lexicon object types: idioms, words, morphemes, ... Lexical access: inferential queryLexical access: inferential query

Microstructure:Microstructure: Lexical entry (article, lemma structure - atom, string, tree, ...)Lexical entry (article, lemma structure - atom, string, tree, ...) Types of lexical information - standardly: "lexicon model"Types of lexical information - standardly: "lexicon model"

Metalex implementation:Metalex implementation:architecturearchitecture

Page 12: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Microstructure specification philosophy:Microstructure specification philosophy: Anybody can specify any kind of unpredictable detailAnybody can specify any kind of unpredictable detail

Questionnaire / Experiment / Corpus / Archive dependenceQuestionnaire / Experiment / Corpus / Archive dependence Lexicon architecture: relational, inheritance, text, ...Lexicon architecture: relational, inheritance, text, ... Intelligent (semi-)automatic classification, not fixed attributesIntelligent (semi-)automatic classification, not fixed attributes

Theory-informed coarse grouping is possibleTheory-informed coarse grouping is possible Media attributes: visual, auditory, tactile, ...Media attributes: visual, auditory, tactile, ... Meaning attributes: definition, gloss, lexical relations, ...Meaning attributes: definition, gloss, lexical relations, ... Composition attributes: context/category, parts, operationsComposition attributes: context/category, parts, operations Use attributes: style, register, concordance, media illustrations, ...Use attributes: style, register, concordance, media illustrations, ... Micrometadata attributes: lexicographer DB indices, source (e.g. Micrometadata attributes: lexicographer DB indices, source (e.g.

fieldwork metadata) DB indices, modification, ...fieldwork metadata) DB indices, modification, ...

Metalex implementation:Metalex implementation:microstructuremicrostructure

Page 13: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex implementation:Metalex implementation:fieldwork metadata source (1)fieldwork metadata source (1)

Situation dimensionsSituation dimensions participant: fieldworker, partners, contactsparticipant: fieldworker, partners, contacts

channel: modalities, mediachannel: modalities, media

locale: indoor/outdoor, spatial configurationlocale: indoor/outdoor, spatial configuration

temporal: date, time, calendar eventtemporal: date, time, calendar event

functional: affiliation, role, occasion; observation (prompt, metadata management)functional: affiliation, role, occasion; observation (prompt, metadata management)

Language dimensionLanguage dimension affiliationaffiliation

discourse level: discourse type, genre + prosody discourse level: discourse type, genre + prosody

phrase level: recursive phrasal categories/relations + prosodyphrase level: recursive phrasal categories/relations + prosody

word level: clitics, inflexion, word formation + prosodyword level: clitics, inflexion, word formation + prosody

Page 14: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex implementation:Metalex implementation:fieldwork metadata source (2)fieldwork metadata source (2)

Technical dimensionTechnical dimension physical characteristics of participants: age, sex, healthphysical characteristics of participants: age, sex, health

physical characteristics of locale: indoor/outdoor, spatial configuration, temporal physical characteristics of locale: indoor/outdoor, spatial configuration, temporal sequence, date (season), time (of day)sequence, date (season), time (of day)

audio: mike type, position, room; A/D; channels, faudio: mike type, position, room; A/D; channels, fsamplesample, resolution; formats , resolution; formats

video: camera & microphone type, analogue/digital; filters, lenses; audio; formats video: camera & microphone type, analogue/digital; filters, lenses; audio; formats

other sensors: laryngograph, airflow, data glove, ...other sensors: laryngograph, airflow, data glove, ...

Metalinguistic dimensionMetalinguistic dimension empirical method: introspection, experiment, corpus elicitationempirical method: introspection, experiment, corpus elicitation

materials: questionnaire, experiment layout, corpus scenariomaterials: questionnaire, experiment layout, corpus scenario

metadata specification: index, metatext type, metacatalogue typemetadata specification: index, metatext type, metacatalogue type

Page 15: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex implementation:Metalex implementation:fieldwork metadata entry toolfieldwork metadata entry tool

LREC 2002, Workshop on Portability IssuesLREC 2002, Workshop on Portability Issues

Page 16: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex implementation:Metalex implementation:fieldwork metadata entry toolfieldwork metadata entry tool

HanDBaseDBMS forPalmOS

Page 17: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex objectsMetalex objectsin conjunction with work in ISLE CLWGin conjunction with work in ISLE CLWG(Computational Lexicon Working Group)(Computational Lexicon Working Group)

(see Gibbon in reading (see Gibbon in reading list)list)

LEXICON:LEXICON: { < Macrostructure > , < Mesostructure > }{ < Macrostructure > , < Mesostructure > }

Macrostructure: Ordering( {ENTRY, ...} )Macrostructure: Ordering( {ENTRY, ...} ) Mesostructure: < FrontmatterMetadata, Descriptions >Mesostructure: < FrontmatterMetadata, Descriptions >

ENTRY:ENTRY: < Microstructure, HousekeepingMetadata >< Microstructure, HousekeepingMetadata >

Page 18: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

The LEXICON objectThe LEXICON object

Front Matter Metadata:Front Matter Metadata: Bibliographical: creator, publisher, title, date, ...Bibliographical: creator, publisher, title, date, ...

Medium / format: paper, CD-ROM/DVD, web, ...Medium / format: paper, CD-ROM/DVD, web, ...

Macrostructure type:Macrostructure type: access: semasiological/onomasiological,access: semasiological/onomasiological,

n-lingual/langue(s),n-lingual/langue(s),

special: taxonomy (thesaurus), concordancespecial: taxonomy (thesaurus), concordance

structure, e.g. tabular: f(type,attrib)=valuestructure, e.g. tabular: f(type,attrib)=value

Page 19: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

The ENTRY object: metadataThe ENTRY object: metadata

Entry Metadata:Entry Metadata: (see Gibbon & al. in reading list)(see Gibbon & al. in reading list)

Entry type (wrt macrostructure specification):Entry type (wrt macrostructure specification): encyclopaedicencyclopaedic multiword unit, word, ...multiword unit, word, ...

Microstructure data model specification:Microstructure data model specification: entry structure: flat, tree, graph (net), ...entry structure: flat, tree, graph (net), ... dta categories specification (atribute, field, information type)dta categories specification (atribute, field, information type)

DC groups - structural skeletonDC groups - structural skeleton DCsDCs DC substructure - homography, homophony, polysemy ...DC substructure - homography, homophony, polysemy ...

Page 20: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

The ENTRY object: DC groupsThe ENTRY object: DC groups

Media ("surface"):Media ("surface"): acoustic (phonetic, earcon, sonification,), visual (orthography, icon, gesture, ...)acoustic (phonetic, earcon, sonification,), visual (orthography, icon, gesture, ...)

Composition (structure):Composition (structure): part (e.g. morphology for words), context (e.g. POS, subcat for words)part (e.g. morphology for words), context (e.g. POS, subcat for words)

Meaning (definition, illustration):Meaning (definition, illustration): semantic (components, relations, senses, ontology)semantic (components, relations, senses, ontology)

pragmatic (speech act, dialogue, disfluency, ...)pragmatic (speech act, dialogue, disfluency, ...)

Use: Use: typically: media (e.g. audio) concordance, ...typically: media (e.g. audio) concordance, ...

Metadata: Metadata: lexicographer, ...lexicographer, ...

Page 21: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

The ENTRY object: DCsThe ENTRY object: DCs

Countless Data Category models:Countless Data Category models: (see reading list)(see reading list)

every existing dictionaryevery existing dictionary linguistic "types of lexical information"linguistic "types of lexical information" several European projectsseveral European projects

(GENELEX, MULTILEX, ACQUILEX, ...)(GENELEX, MULTILEX, ACQUILEX, ...)

ISO terminology norms (cf. MARTIF etc. ...)ISO terminology norms (cf. MARTIF etc. ...)

Page 22: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

The ENTRY object: DC structuresThe ENTRY object: DC structures

Computationally relevant properties of fields:Computationally relevant properties of fields: type (atomic, complex: tree, string, xyz-formatted text)type (atomic, complex: tree, string, xyz-formatted text)

character encoding spec.: ASCII, Unicode, xyzcharacter encoding spec.: ASCII, Unicode, xyz

tree (or other graph/net):tree (or other graph/net): finite depthfinite depth flat, disjunctive disjunctive treeflat, disjunctive disjunctive tree recursive graph (net)recursive graph (net)

table, non-tree graph, anchor/link/index structuretable, non-tree graph, anchor/link/index structure

generated text:generated text: print, hypertext (compiled vs. dynamic (generated on the fly)print, hypertext (compiled vs. dynamic (generated on the fly)

Page 23: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex microstruture applicationMetalex microstruture application

Media ("surface"):Media ("surface"): phonemic & tonemic transcription (SAMPA ASCII - still waiting for Unicode...)phonemic & tonemic transcription (SAMPA ASCII - still waiting for Unicode...)

Composition (structure):Composition (structure): morphemic substructure, category & subcategorymorphemic substructure, category & subcategory

Meaning (definition, illustration):Meaning (definition, illustration): glosses (English, French, German)glosses (English, French, German)

definitions, senses, relations, components; audio-visual illustrationdefinitions, senses, relations, components; audio-visual illustration

Use: Use: genres; examples (e.g. concordance link); free text notesgenres; examples (e.g. concordance link); free text notes

Metadata:Metadata: first record; last field first record; last field

Page 24: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex field lexicon microstrutureMetalex field lexicon microstruture

Anouman_1:Anouman_1: Media attributes:Media attributes:

Phonemic tier: `an'U~m`'a~Phonemic tier: `an'U~m`'a~ Skeletal tier: VNVNVSkeletal tier: VNVNV Tonal tier: L H LHTonal tier: L H LH Signal tier: AudioSignal tier: Audio

Meaning attributes:Meaning attributes: F-gloss: OiseauF-gloss: Oiseau E-gloss: BirdE-gloss: Bird G-gloss: VogelG-gloss: Vogel Definition: Definition: avisavis Homophone full: Anouman_2: grandchildHomophone full: Anouman_2: grandchild Homophone phonemic: Anouman_3: yesterdayHomophone phonemic: Anouman_3: yesterday

Use:Use: < Concordance pointer >< Concordance pointer > Genre: narrativeGenre: narrative

Metadata:Metadata: Lexicographer: S. AdouakouLexicographer: S. Adouakou Source: Bielefeld-Anyi-Corpus, Source: Bielefeld-Anyi-Corpus,

Adaou village, CIAdaou village, CI Date: March 2002Date: March 2002

Page 25: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex portable lexical databaseMetalex portable lexical database

Relational database:Relational database: Metalex specs flattenedMetalex specs flattened structure re-constitution structure re-constitution

via metalex specsvia metalex specs HanDBase for PalmOSHanDBase for PalmOS Features:Features:

standard full RelDBMSstandard full RelDBMS XML, CSV, text exportXML, CSV, text export export/import via GSMexport/import via GSM inexpensive (wrt laptop)inexpensive (wrt laptop) stylus, keyboard, sync inputstylus, keyboard, sync input light weightlight weight low power consumptionlow power consumption inconspicous in useinconspicous in use interfaces to Scheme, Cinterfaces to Scheme, C

Page 26: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex extensionMetalex extensionThe Modelex project:The Modelex project:

"Theory and Design of Multimodal Lexica""Theory and Design of Multimodal Lexica"

Goals:Goals: Data-driven, theory-informed lexicon modelsData-driven, theory-informed lexicon models

Formal properties of abstract data models for multimodal lexicaFormal properties of abstract data models for multimodal lexica

Interpretation of abstract data models in XMLInterpretation of abstract data models in XML

Integration of parallel annotation lattices for Integration of parallel annotation lattices for modalitiesmodalities and and submodalitiessubmodalities

Development of a prototype multimodal lexiconDevelopment of a prototype multimodal lexicon

Page 27: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

The Modelex domain:The Modelex domain:modalities and submodalitiesmodalities and submodalities

Page 28: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Modelex: data driven lexicographyModelex: data driven lexicography

Page 29: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Modelex: gesture annotationModelex: gesture annotation

TTime ime AAligned ligned SSignalignal

CCorpus orpus SSystemystem(Java, GPL)(Java, GPL)

Jan-Torsten Milde, U BielefeldJan-Torsten Milde, U Bielefeld

TASX annotator:TASX annotator:

Phonological tierPhonological tier

ToBI tiersToBI tiers

Gesture tierGesture tier

Speech Act tierSpeech Act tier

Anyi, Ega, GermanAnyi, Ega, German

Page 30: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Model-theoretic compilation in ILEX:Model-theoretic compilation in ILEX:INTERPRETATION INTERPRETATION ( ALEX ) = OLEX( ALEX ) = OLEX

Page 31: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex in the Modelex project:Metalex in the Modelex project:MMultimodal concordance as microstructure DCultimodal concordance as microstructure DC

Prototype: http://www.spectrum.uni-bielefeld.de/langdoc/PAX/Prototype: http://www.spectrum.uni-bielefeld.de/langdoc/PAX/

Page 32: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex in the Modelex project:Metalex in the Modelex project:underspecified ALEX microstructure for underspecified ALEX microstructure for

gesture coordinatesgesture coordinates

Hand: <parts> == "Palm" "Digit" <vector> == "<name>" <coord "<name>"> <coord> == "<x1>" "<y1>" "<x2>" "<y2>" <> ==.Palm: <parts> == <vector> <name> == palm <width> == pw <height> == ph <x1 fore> == <x1> <x1 middle> == ( <x1> + ( <x2> - <x1> ) / 3 ) <x1 ring> == ( <x1> + ( <x2> - <x1> ) * 2 / 3 ) <x1 pinky> == <x2> <x1> == px1 <y1> == py1 <x2> == ( <x1> + <width> ) <y2> == ( <y1> + <height> ) <> == Hand.

Page 33: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex in the Modelex project:Metalex in the Modelex project:fully specified ALEX microstructure for gesture fully specified ALEX microstructure for gesture

coordinatescoordinates

Hand:<parts> =

palm px1 py1 ( px1 + pw ) ( py1 + ph )

thumb px1 py1 ( px1 - lt ) py1

fore px1 py1 px1 ( py1 - lf )

middle ( px1 + ( ( px1 + pw ) - px1 ) / 3 ) py1 ( px1 + ( ( px1 + pw ) - px1 ) / 3 ) ( py1 - lm )

ring ( px1 + ( ( px1 + pw ) - px1 ) * 2 / 3 ) py1 ( px1 + ( ( px1 + pw ) - px1 ) * 2 / 3 ) ( py1 - lr )

pinky ( px1 + pw ) py1 ( px1 + pw ) ( py1 - lp )

Page 34: Hypermedia Lexica and Lexicon Metadata The MetaLex model in the ModeLex project Dafydd Gibbon U Bielefeld Europe E-MELD Workshop, Detroit, August 2002.

Metalex: conclusion & prospectsMetalex: conclusion & prospects

User complexity:User complexity: demands an open, data-driven approachdemands an open, data-driven approach

Domain:Domain: demands a theory-informed approachdemands a theory-informed approach with computational acquisition & inferencewith computational acquisition & inference

Data-driven Data-driven andand theory-informed lexica theory-informed lexica are possible (METALEX)are possible (METALEX) need integrated model-theoretic approach (ILEX):need integrated model-theoretic approach (ILEX):

INTERPRETATIONINTERPRETATION (ALEX) = OLEX (ALEX) = OLEX a formal problem remains: differing complexity ofa formal problem remains: differing complexity of

trees (archive): simulation of other graphs via semantics onlytrees (archive): simulation of other graphs via semantics onlyannotation lattices (data), tables (lexica):annotation lattices (data), tables (lexica):regular relations if non-recursive, indexed grammars if recursive?regular relations if non-recursive, indexed grammars if recursive?