Experiences in Information Mining from a Legacy CMS via D2RQ Mapping Based on Business Ontology Presentation at VMBO 2014 Workshop

1. Experiences in Information Mining
from a Legacy CMS
via D2RQ Mapping Based on Business Ontology
Presentation at VMBO 2014 Workshop
Malte Hahnenwald, Vera G. Meister
March 2014

2. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
Motivation
What do we want to achieve?
 Improve
 User experience
 Usability of data
 Visibility of Information
 Mine data from different sources
 Show feasibility
 Develop transferability
05.06.2014
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister

3. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
Initial Situation
 Poor onsite search
• Specific search plug-in
• No global search
 SixCMS
• Not normalized RDB
• Encrypted structure
• Adjourned re-launch
 No consistent knowledge organization system
• Each department acts self-dependent
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister

4. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
Course of Action
 Ontology engineering
 Deep structure research
 Mapping adaptation
 Technology decisions
 Application implementation
 Concept adjustment
 Enabling transferability
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister

5. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
Ontology Engineering
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister
University
Faculty
Person
Role
Module
Compulsory
Module
Optional
Module
StudyCourse
ModuleGroup
Bachelor
Course
Master
Course
hasSubUnit
Room
PracticeRoom
LectureHall
Office
Lab
Event
Researcher
Full_Professor
Staff
Contract_Lecturer
Student
Admin_Staff
Tutorial
Exam
Seminar
Lecture
hasRole
memberOf
organizes
performs
contains
hasPart
hasRoom
contains
offers
isLocatedIn
role
enrolledIn

6. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
Reuse of Ontology Patterns
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister
Description Standard Ontology Concepts / Relations
University as
an
organization
org:
<http://www.w3.org/ns/org#>
Role / role
Staff contact
information
foaf:
<http://xmlns.com/foaf/0.1/>
Person / familyName,
givenName, title,
phone, mbox,
homepage, interest
Actors, events
and outcome
of scientific
work
iswc:
<http://annotation.semantic
web.org/iswc/iswc.daml#>
Event (Conference,
Tutorial, Workshop),
Full_Professor,
Associate_Professor,
etc.

7. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
D2RQ Mapping Adaptation
 SixCMS structure is sparse and encrypted
• not normalized
• 70 tables without foreign keys
• source data in one table
• relations in proprietary ID’s
 No automated mapping possible
 Specific mapping features needed
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister

8. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
D2RQ Mapping Excerpt
########## Class -> Module ##########
map:Module a d2rq:ClassMap;
d2rq:dataStorage map:sixcms;
d2rq:condition "sixcms_article.area_id = 1105";
d2rq:class :Module;
d2rq:uriPattern "Module/@@sixcms_article.title|urlify@@".
map:moduleID a d2rq:PropertyBridge;
d2rq:belongsToClassMap map:Module;
d2rq:property :moduleID;
d2rq:column "sixcms_article_data.value";
d2rq:condition "sixcms_article.area_id = 1105";
d2rq:condition "sixcms_article_data.fieldname = 'lv_nr' ";
d2rq:join "sixcms_article.id <=
sixcms_article_data.article_id";
d2rq:join "sixcms_article_data.area_id =>
sixcms_article.area_id";
d2rq:propertyDefinitionLabel "Module Number".
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister

9. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
Application Architecture
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister
RDB
D2RQ Engine - Mapping
D2R Server SPARQL
Ontology
JenaRDF
Faceted browsing

10. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
User Interface
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister

11. University of Applied Sciences Brandenburg a. d. H. · Department of Business and Management Page
Ongoing Development
 Skim more from Six CMS
 Extend to other systems
 Enable search engine access
 Streamline the business ontology
 Support transferability
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Experiences in Information Mining from a Legacy CMS ∙ Hahnenwald / Meister

12. Fachbereich Wirtschaft
malte.hahnenwald@fh-brandenburg.de
vera.meister@fh-brandenburg.de
March 2014
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