An Alfresco Apache Stanbol Integration (port of OpenCalais Integration) Steve Reiner CTO Integrated Semantics

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

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

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

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

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

Port of OpenCalais Integration to Apache Stanbol Prototype download available now 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

Apache Stanbol Integration Features Roadmap 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 Protégé 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

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