Nuxeo 5.3 and Semantic R&D

Ch’ti Nuxeo 5.3 Architecture and JUG Semantic R&D  Nuxeo - The company  Nuxeo EP - Architecture overview  Nuxeo DM 5.3 - new features • Open Social • Windows SharePoint Services  Nuxeo Semantic R&D • Scribo / IKS / Eureka • The Semantic Web • Named Entities Recognition • Semantic Hashing for fast image lookup Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti The company JUG  Nuxeo editor: Nuxeo EP • Open Source ECM  Support subscriptions: Nuxeo Connect  CEVA integrations  Nuxeo DM - Cloud Edition  Custom developments and Consulting Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Nuxeo Core (Repository) JUG Nuxeo Core Core Services Lifecycle Doc types Security Events Versioning Query Core Repository Content Repository Adapter Adapter JCR VCS Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Nuxeo EP – Main services JUG  Repository (Document Types / Version / ACL / Lifecycle)  UserManager + Directories (User / Groups – SQL + LDAP)  Workflow (JBPM)  Audit (Record Management)  Relation Service (Jena document links)  Tag service ... Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Other applications JUG  Nuxeo Digital Asset Management • Multimedia collection management • Fully Ajaxified filter based UI • Video / Audio streaming • Similarity search  Nuxeo Correspondence • FAX & Snail Mails imports • Smart routing workflows Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Semantic R&D JUG  Scribo – IKS – Eureka  Semantic Web?  Named Entities Recognition  Semantic Relationships Extraction  Automated document categorization  Keyphrase (e.g. Tag) extraction  Semantic Hashing for similarity search Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Named Entities Recognition JUG  Find occurrences of: • Persons • Places (Countries, Cities, Seas, …) • Organizations (Companies, Gouvernments, NGOs, …)  Based on NLP algorithms • Explicit Linguistic Rules • Machine Learning (e.g. SVMs, CRFs, ...)  Links to Wikipedia / DBPedia / Freebase, ... Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Semantic Hashing JUG  GIST Image extraction • Vector of 960 float parameters  Semantic Hashing • Int64 code that preserves semantics  Algorithms • Stacked Denoising Autoencoders • Locality Sensitive Hashing • Spectral Hashing • Deep Belief Networks Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Autoencoders - step 1 JUG 960 floats GIST of noised image Encoder 0 400 floats – intermediate code Decoder 0 960 floats GIST of noiseless image Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Autoencoders – step 2 JUG 960 floats GIST of noised Encoder 0 400 floats – intermediate code Encoder 1 64 floats – intermediate code Decoder 1 400 floats for encoder_0(noiseless image) Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Autoencoders – step 3 JUG 960 floats GIST code Encoder 0 400 floats – intermediate code Encoder 1 64 floats – intermediate code Binary Threshold 64 bits Integer semantic hash Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Expected results on pictures JUG Results from: Learning to Hash with Binary Reconstructive Embeddings – 2009 Brian Kulis, Trevor Darrell Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Ch’ti Licence JUG  Les photos et logos appartiennent à leurs auteurs respectifs  Le contenu de la présentation est sous licence Creative Commons 2.0 France • Contrat Paternité • Pas d'Utilisation Commerciale • Partage des Conditions Initiales à l'Identique  http://creativecommons.org/licenses/by-nc-sa/2.0/fr/ Copyright © Ch'ti JUG – License Creative Commons 2.0 France

Nuxeo 5.3 and Semantic R&D

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