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An Alfresco Apache Stanbol Integration (port of OpenCalais integration) - Alfresco DevCon 2012 San Jose
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An Alfresco Apache Stanbol Integration (port of OpenCalais integration) - Alfresco DevCon 2012 San Jose

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This presentation was given during the first Lightning Talk session at the Alfresco DevCon 2012 in San Jose. It covers the port of the OpenCalais Integration and its Share UI extension to work with ...

This presentation was given during the first Lightning Talk session at the Alfresco DevCon 2012 in San Jose. It covers the port of the OpenCalais Integration and its Share UI extension to work with Apache Stanbol. These integrations support auto-tagging, semantic tag clouds, and semantic geo-tagged maps. Both integrations are open source and available on Google Code http://code.google.com/p/semantics4alfresco/

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An Alfresco Apache Stanbol Integration (port of OpenCalais integration) - Alfresco DevCon 2012 San Jose Presentation Transcript

  • 1. An Alfresco Apache Stanbol Integration (port of OpenCalais Integration) Steve Reiner CTO Integrated Semantics
  • 2. OpenCalais Integration Features• Share, FlexSpaces, and Explorer UI• Auto tagging action (manual and rules) in all• List semantic tags in details in all• Share, FlexSpaces: Semantic Tag Clouds, Geo-Tagged Map• FlexSpaces: Suggest Tags, Add / Remove Tags on Doc• Open Source
  • 3. OpenCalais Share Integration Features • Auto tag menu in Doc Lib, Repo, Details • Semantic Tag Cloud Dashlets with category drop-down • Geo-tagged map dashlet • Dashlets work both on site and overall dashboards • Search results list when click tags in these dashlets
  • 4. OpenCalais Advantages / Disadvantages • Advantages: • Good Recognition Results on Names, Cities, Companies • Good for news, public website text • Disadvantages: • Doc Size limit on All versions (100k bytes) • Daily submission items limits on Free OpenCalais (50k) and Calais Professional (100k) • Keep metadata extracted • Focused on English, some support for French,Spanish • Not Customizable in Taxonomy or in recognition code • Not Open Source
  • 5. Apache Stanbol • Disadvantages: • OpenNLP Recognition of Names, Cities, Companies not as good as OpenCalais (can chain other engines/services including OpenCalais) • Advantages: • No doc size or submission item limits • Multi language focused • Customizable in Taxonomy and in recognition code • Open Source
  • 6. Apache Stanbol • More of a full semantic platform, not just text enhancement • Focused on semantic content management • Could be used for a more general semantic platform • Componentized, OSGi based • Enhancer, Enhancement Engines, Entity Hub, ContentHub, Ontology Mgr, Rules, Reasoners, CMS Adapter, FactStore
  • 7. Port of OpenCalais Integration to ApacheStanbol• Prototype download available now • http://code.google.com/p/semantics4alfresco/• Open Source• All previous features in Share and Explorer are available • Alfresco extension (4.x) and Share extension (4.0 and 4.2) • Share auto-tag menus, semantic tag clouds dashlet, geo-tagged dashlet, semantic tags listed in details • Action can be used in content rules to auto-tag all submissions to a folder, etc. • Auto tag action also available in Explorer, semantic tags listed on details page • Suggest tag webscript not complete • FlexSpaces doesn’t have support yet (need to add additional calls to different webscript URLs and add preference options of to use OpenCalais or• Leveraged a Java client API library contributed by Zaizi to Stanbol that makes REST calls to Stanbol
  • 8. Apache Stanbol Integration FeaturesRoadmap• Finish Suggest Tag WebScript and add support to FlexSpaces for Stanbol• Display of dbpedia info / webpage on entity next to search results list on page displayed after semantic tag click• Add using Stanbol contenthub instead of stateless entityhub to retain semantic enhancement of docs• If Zaizi Stanbol integration is not made available as open source, will add some things such as Solr Facets search UI of semantic categories / entities• Other things considering • SKOS taxonomy editor • Semantic Categories Graph (single doc, multiple docs) • Tie in Alfresco as the content mgr of versions of Proté gé GWT Web UI ontology editor / tie in with Stanbol • Stanbol support for enhancing any CMIS repository • Stanbol as platform semantic data integration of structured data in addition to unstructured
  • 9. Links to Find out more • http://code.google.com/p/semantics4alfresco/ • www.integratedsemantics.org blog • www.integratedsemantics.com • http://stanbol.apache.org • http://www.iks-project.eu/ • http://www.opencalais.com/ • Twitter: @stevereiner