InterVal

1
InterVal Knowledge Nets

• Humboldt-Universität zu Berlin
• Freie Universität Berlin

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Knowledge Nets People

• Freie Universität Berlin
• Prof. Dr.-Ing. Robert Tolksdorf
• Malgorzata Mochól
• Christian Bizer / Prof. Dr. Uwe H. Suhl
• Radoslaw Oldakowski
• Humboldt-Universität zu Berlin
• Dr. Rainer Eckstein / Prof. Johann Christoph
  Freytag, Ph.D.
• Ralf Heese

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Agenda

• Knowledge Nets
• Global Sourcing Application and Technology
  Scenarios (AM 1.1)
• Business to consumer e-commerce
• Recruitment scenario
• Software infrastructure (AM 3.1)
• Development of the software infrastructure for
  the scenarios
• Knowledge Transfer
• Publications
• Workshops and Conferences
• Lectures
• Co-operations within Internet Economy
• Industrial and Academic Co-operations

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• Knowledge Nets (Subproject A)

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Knowledge Nets Goals

• Scenario-based analysis
• Predict economic impacts of theSemantic Web
  technologies on E-Commerce
• Business viewpoint
• Predict impacts on markets and value chains
• Estimate feasibility based on participants
  interests and business models
• Technological viewpoint
• Derive requirements for the technological
  infrastructure
• Evaluate current technological developments

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• Global Sourcing Application and Technology
  Scenarios (AM 1.1)

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Application and Technology Scenarios B2C /
HR-Domain

• Business to consumer e-commerce enhanced with
  Semantic Web technologies
• Employment market enhanced with Semantic Web
  technologies
• Analysis of todays applications
• Job postings are written in the form of free text
  using uncontrolled vocabularies
• The meta-search engines available perform
  searches on a full text basis
• The search results are limited in their ability
  to provide offers that match the precise needs of
  their clients
• There are many different existing taxonomies for
  the classification of job posting

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Application and Technology Scenarios HR-Domain

• Szenario
• Information providers publish in RDF according to
  common ontologies
• Semantic Portals collect the information and
  offer semantic matching services.
• Implications
• Job Seeker (employee)
• Increased market transparency
• Higher precision of search results
• Job Poster (employer, job portals, state job
  centre)
• Open nm communication increased market
  transparency
• Costs reduction
• Changes in the business models

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Application and Technology Scenarios HR-Domain
Ontology

• We use an ontology for recruitment scenario that
  is based on JobPositionPosting and
  JobPositionSeeker from HR-BA-XML
• Information is represented in OWL using
  controlled vocabularies

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Application and Technology Scenario HR-Domain
Matching

• Matching is a process of determining of graph
  similarity
• Graph similarity is the sum of the cluster
  similarities
• Calculation of similarities for single node
• Taxonomic similarity
• Attributive similarity
• Matching allows us to generate the ranking of
  results

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Scenario Architecture
Information Consumers
Information Integration Matching
Information Providers
Semantic Portal
RAP API
Net API
Semantic Matching Engine
Crawler
D2R
Joseki
Jena
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• Evaluation toolkit (AM 3.1)

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Evaluation Toolkit

• Semantic Web Framework
• RAP RDF API for PHP
• leading RDF toolkit for PHP developers
• features for parsing, manipulating, storing,
  querying, serializing, and serving RDF models
• Open source, 1200 downloads
• D2R
• D2R MAP - declarative language to describe
  mappings between relational database schemata and
  OWL/RDFS ontologies
• D2R Processor - exports data from a relational
  database into RDF
• Open source, 300 downloads

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Application and Technology Scenarios

• Surveys
• Current state of data exchange in the sectors
• Automotive retail
• Consumer packaged goods (CPG) retail
• Telecommunication
• Liberalization of business markets
• Semantic Web trust architecture
• Repositories and Tools for RDF/S
• RDF Algebra
• Mapping of query statements to algebra enabling
  efficient query evaluation on huge amounts of RDF
  data
• Modelling and Generation of Ontologies
• Modeling of OWL Ontologies with UML

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• Knowledge Transfer

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Knowledge Transfer Publications I

• Published
• Ralf Heese
• Neue Konzepte für RDF-Managementsysteme
• 16. Workshop über Grundlagen von Datenbanken.
  Monheim, June 2004.
• Christian Bizer and Radoslaw Oldakowski
• Using Context- and Content-Based Trust Policies
  on the Semantic Web.
• 13th International World Wide Web Conference
  2004. New York, USA, May 2004.
• Robert Tolksdorf, Christian Bizer, Rainer
  Eckstein, and Ralf Heese
• Business to Consumer Markets on the Semantic
  Web.
• International Workshop on Metadata Security, OTM
  Conference, Catania, Italy, November 2003.
• Robert Tolksdorf, Christian Bizer, and Ralf
  Heese.
• A Web Service Market Model based on
  Dependencies.
• 12th International World Wide Web Conference
  2003. Budapest, Hungary, Mai 2003.

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Knowledge Transfer Publications II

• To appear
• Malgorzata Mochol, Radoslaw Oldakowski, and Ralf
  Heese
• Ontology based Semantic Matching in Recruitment
  Processes
• Semantische Technologien für Informationsportale,
  Informatik 2004. Ulm, Germany, September 2004.
• Radoslaw Oldakowski, Christian Bizer
• RAP RDF API for PHP
• 1st International Workshop on Interpreted
  Languages (colocated with the NetObjectDays 2004
  Conference), Erfurt, September 2004.
• Robert Tolksdorf, Christian Bizer, Rainer
  Eckstein, and Ralf Heese
• Trustable B2C Markets on the Semantic Web
• Special Issue on Metadata for Security des
  International Journal of Computer Systems,
  Science and Engineering, 2004.

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Knowledge Transfer Publications III

• Submitted for reviewing
• Jeremy J. Carroll, Christian Bizer, Pat Hayes and
  Patrick SticklerNamed Graphs, Provenance and
  Trust.3rd International Semantic Web Conference
  2004, Hiroshima, Japan, November 2004.
• Rainer Eckstein, Johannes Kirsch
  MOwU - Modeling
  OWL Ontologies with UML
  3rd International Semantic Web
  Conference 2004, Hiroshima, Japan, November 2004.
• Ralf Heese, Rainer Eckstein, Jan Große
  RAT - An
  RDF Algebra Based on Triples2nd Workshop
  Semantic Web and Databases, VLDB 2004, Toronto,
  Canada, August 2004

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Knowledge Transfer Workshop

• SWEB2004 International Workshop onSemantic Web
  Technologies in Electronic Business
• As a part of the Berliner XML Tage 2004 (October
  2004)www.berliner-xmltage.de
• Cooperation with working groups
• Technologie-induzierte Veränderungen der
  Wertschöpfungssysteme
• Informationsqualität Semantic Web
• Excellenznetzwerk KnowledgeWeb
• Topics
• Semantic Web (Ontologies, Mapping, Matching, Data
  Interoperability and Quality, Processing)
• Technology induced Changes of the Value Chain
• Trust, Privacy, Security
• Application Scenarios and Prototypes
• Industrial Efforts and Experiences

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Knowledge Transfer Selected Conferences

• Selected memberships in Program Committees
• Prof. Dr.-Ing. Robert Tolksdorf
• Workshop XML-Technologien für das Semantic Web
  (XSW 2004)
• 6th International Conference on Enterprise
  Information Systems (ICEIS 2004)
• 2nd International Workshop on Security in
  Information Systems in conjunction with ICEIS2004
• Session Systems for Large-scale Metadata
  Extraction and Maintenance at the KES2004 8th
  International Conference on Knowledge-Based
  Intelligent Information Engineering Systems
• Dr. Rainer Eckstein
• Workshop XML-Technologien für das Semantic Web
  (XSW 2004)
• IADIS International Conference WWW / Internet
  2004
• Christian Bizer
• Trust, Security, and Reputation on the Semantic
  Web, Workshop at 3rd
  International Semantic Web Conference (ISWC 2004)

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Knowledge Transfer Lectures

• XML-Technologies in E-Business
• Presentations on classifications and
  specifications in E-Business
• A part of the Termination Meeting of
  ltxmlcityberlingt project
• At IHK Berlin in December 2003
• The Semantic Web Trust Layer
• Talk at the 13th International World Wide Web
  Conference 2004, Developers Day, New York, May
  2004
• Application of Semantic Web technologies in the
  recruitment domain
• Invited talk HU Berlin, June 2004
• Anwendungen des Semantic Web und ihre
  ökonomischen Perspektiven
• Research colloquium CIS and FhG ISST, Technical
  University Berlin, January 2004
• Colloquium in Institute for Information Systems,
  University Hannover (cooperation with research
  centre L3G) Hannover, February 2004
• WS 2003/04 - FU Berlin, Institut für Informatik
• Seminar Internetökonomie
• Lecture XML-Standards für das E-Business
• Project, Seminar Semantic Web
• Lecture, Project, Seminar XML

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Knowledge Transfer Miscellaneous

• News release, May 2004
• Seminar papers
• RDBMS-based Systems for Storing RDF
• Querying RDF Repositories
• Master theses
• Algorithms for Semantic Matching
• Semantic Web Infrastructure in the field of B2C
  markets
• Exchange student from the University of Beijing
• 6 PhD dissertations are being written
• On the field of Semantic Web
• PhD students network
• FU, HU, TU, University Potsdam, University
  Viadrina (Frankurt/O), FhG FOKUS
• Participation in standardization processes
• Attended W3C Technical Plenary 2004
• Comment together with HP Labs on the W3C DAWG
  standardization process
• W3C Member Meeting at the Berliner XML Tage 2004
• IFIP Semantic Web

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• Network within Internet Economy

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Working Groups of Internet Economy

• Technology-induced changes of values added
  systems
• Modification of value chains economic and social
  implications (Göttingen, Munich, Berlin)
• Economic view of developments
• Intermediation
• Fragmentation of value chains
• Mobile services
• Individualization
• Conclusions on potential changes in the work
  environment

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• Industrial and Academic Cooperations

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Industrial Cooperations

• HP Labs Bristol, Nokia Finland, IHMC USA und W3C
  SWIG
• Extension of RDF to Named Graphs
• Development of a Named Graphs repository, the
  TriQL query language and two syntaxes for Named
  Graphs (TriX and TriG)
• The results of this work will be included into
  the next W3C RDF specification
• HP Labs Bristol und Palo Alto
• Joined development D2R-Q, a mapping language for
  rewriting RDQL queries to non-RDF database
  specific SQL queries
• Implementation as an open source extension to
  Jena 2
• CyberConsult Beratungsgesellschaft für Neue
  Medien mbH, Berlin (initial talks)
• Exchange experience on technologies for job
  service portals, e.g. semantic matching
• Atos Origin GmbH, Berlin (initial talks)
• Definition of a common scenario, e.g. automotive
  or CGP/retail sector

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Academic Cooperations

• Universität Essen, Yilmaz Alan
• In the KOWIEN project development of an HR
  ontology
• Universität Leipzig, Sören Auer
• Development of Semantic Web tools RAP, pOWL
• University of Madrid, Asunción Gómes-Péres
• RDF-DB mapping
• Esperanto-Project
• Fraunhofer ISST, Andreas Billig
• Human Resources experience exchange
• Job Service Portal
• KnowledgeWeb
• EU Network of Excellence

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• Thank you!