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Step 1: Link Prediction Step 1: Link Prediction UWN's Multilingual Graph UWN's Multilingual Graph • Goal: Richer, Less Sparse Features • How: Model Synonymy, Polysemy, Semantic Relatedness, Taxonomy. (within and across languages) UWN: A Large Multilingual Lexical Knowledge Base Gerard de Melo and Gerhard Weikum ICSI Berkeley / Max Planck Institute for Informatics Better NLP Features using Lexical Semantics Better NLP Features using Lexical Semantics More Information: www.lexvo.org/gdm/ • Downloadable API available • Web User Interface Entity Entity por: “entidade” por: “entidade” cmn: “ 制度” cmn: “ 制度” Institution Institution Educational institution Educational institution University University heb: “ישות.” heb: “ישות.” deu: “Bildungs- einrichtung” deu: “Bildungs- einrichtung” srp: “универзитете” srp: “универзитете” ... University of California, Berkeley University of California, Berkeley eng: “Berkeley ” eng: “Berkeley ” ara: “ كينونةوجود،” ara: “ كينونةوجود،” tha: “ สถาบัน” tha: “ สถาบัน” fin: “oppilaitos” fin: “oppilaitos” fin: “yliopisto” fin: “yliopisto” cmn: “ 柏克萊加州大學” cmn: “ 柏克萊加州大學” Berkeley, CA Berkeley, CA George Berkeley George Berkeley deu: “Schulgebäude” deu: “Schulgebäude” school (group of fish) school (group of fish) school (institution) school (institution) school (building) school (building) deu: “Schulhaus” deu: “Schulhaus” deu: “Fischschwarm” deu: “Fischschwarm” ces: “hejno” ces: “hejno” fra: “banc” fra: “banc” chv: “шкул” chv: “шкул” jpn: “ 学校” jpn: “ 学校” kor: “ 학교” kor: “ 학교” lao: “ໂຮງຮຽນ” lao: “ໂຮງຮຽນ” kat: “სკოლა” kat: “სკოლა” • Over 16 million words and names in over 200 languages semantically connected • Ambiguity and synonymy captured eng: “UC Berkeley” eng: “UC Berkeley” eng: “Cal” eng: “Cal” City City Geopolitical Entity Geopolitical Entity Chuvash Chuvash Georgian Georgian Lexvo.org Language Descriptions: Languages Scripts Characters Countries Cyrllic (Script) Cyrllic (Script) Russia (Country) Russia (Country) UWN: Meaning Distinctions Ontological Taxonomy Encyclopedic Knowledge, Pictures, Video, Sounds, Maps Etymological and other word relationships Millions of Named Entities (People, Places, Proteins, Asteroids, Companies, etc.) 200+ languages Step 2: Entity Integration Step 2: Entity Integration Step 3: Taxonomy Induction Step 3: Taxonomy Induction Extras Extras • Markov Chain to rank taxonomic parents • 270 Wikipedia taxonomies integrated with WordNet's hypernym hierarchy es: Televisor es: Televisor es: Televisión es: Televisión ru: Телевизор ru: Телевизор hi: दूरदर्शन hi: दूरदर्शन ja: テレビ ja: テレビ en: Television en: Television en: Television set en: Television set zh: 电视机 zh: 电视机 ja: テレビ受像機 ja: テレビ受像機 en: TV set en: TV set en: T.V. en: T.V. V 1 ,u V 1 ,u V 1 ,v V 1 ,v • LP for constraint-based computation of equivalence classes of entities • Region Growing approximation algorithm • Link multilingual words to WordNet • Connect Wikipedia with WordNet (equivalence and taxonomic links) • FrameNet Linking • Common-Sense Knowledge Extraction • Multilingual Roget's Thesaurus
