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mssm.nl
Work in Progress Report - Subject Centric IT in
Local Government
Gabriel Hopmans, Peter-Paul Kruijsen
Morpheus SoftwareTMRA 2005
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Introduction• Presentation of ongoing work in ON-TOP project
• Collaboration between BCT and Morpheus• BCT offers CORSA
– Document Management System– Deployed at local governments, hospitals, etc.
• Morpheus offers Topic Maps implementations– Implementation partner of Ontopia
• Collaboration to– Combine Corsa and Topic Maps– Allow a Dynamic Information Facility (DIF)
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Current vs improvement• Current situation
– CORSA is a well-built DMS, used extensively– Data storage is application centric
• Morpheus was asked to– Provide intuitive interfaces to data ...– For various target group users ...– Without knowing user requirements ...– And possibility to chain with other processes / organisations
• Morpheus’ approach– Make data storage subject centric– Allow sharing with applications (CORSA, ...)
– Provide a framework for user modeling• Rather than explicit programming efforts
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Step 1: Upconversion• From a database delivery
– Scripts were written to convert DB to TM– Based on Ontopia’s upconversion tools
• An application was built to enable– User friendly mapping from DB to TM– A mapping tool is presented to users– To map fields in tables to ontology concepts
• This all results in a Topic Maps representation of existing data sets enabling– Intuitive browsing via Omnigator– Removal of duplicates– Enrichment with extra domain information
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DB-ONTO-mapping screenshot
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Step 2: Visualisation• The Topic Maps representation of the original database is visualised– In an ‘Omnigator-like’ interface– Subject-centric-ness is key issue– Display all information per subject
• User’s searches are directed by– Search entries as starting points– Navigation paths towards actual information
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Visualisation screenshot
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Step 3: Restrictions (ACL)
• A generic model was developed that– Defines navigation steps from topic (type) to topic (type) through association (types)
– Restricts occurrences (types) for topics (types) for certain target groups
• This model is filled for specific target groups to – Present navigation paths through data for civilians who do not (have to) know the actual data structure
– Hide certain information from certain employees
– Aggregate information for managers
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Navigation model
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Restriction screenshot
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Step 4: Restriction manager
• A management interface is (being) set up to fill the navigation model– Based on the ontology– Allows users to fill the model– For one or more target groups
• Results in an interface in which end users– Define the behaviour of a full web application
– Allows building Topic Maps based web portals
– Without any need for programming
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Step 5: Chaining• The current work involves assignment of PSI’s– Data from CORSA provides good concepts– Broader scope towards local governments
• When applied, chaining can be achieved– First only between different CORSA applications
– Later on between various applications in the domain of (local) governments
– Touches upon other initiatives like ADNOM
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Future developments• More / better search entries
– Based on personal info / settings
• Aggregating data– Needed for proper reporting
• Integration with other applications– other than CORSA
• Towards a full framework– Specific page / topic layout
•Towards Neo for Topic Maps