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Challenges for Information Access in Multi-Disciplinary Product Design and Engineering Settings

In any larger engineering setting, there is a huge number of documents that engineers and others need to use and be aware of in their daily work. To improve the handling of this amount of documents, we propose to view it under the angle of a new domain for professional search, thus incorporating search engine knowledge into the process. We examine the use of Information Retrieval (IR), Recommender Systems (RecSys), and Knowledge Management (KM) methods in the engineering domain of Knowledge-based Engineering (KBE). The KBE goal is to capture and reuse knowledge in product and process engineering with a systematic method. Based on previous work in professional search and enterprise search, we explore a combination of methods and aim to identify key issues in their application to KBE. We list detected challenges, discuss information needs and search tasks, then focus on issues to solve for a successful integration of the IR and KBE domain and give a system overview of our approach to build a search and recommendation tool to improve the daily information- seeking workflow of engineers in knowledge-intense disciplines. Our work contributes to bridging the gap between Information Retrieval and engineering support systems. Presentation of a paper at ICDIM. Full paper available from my homepage.

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Challenges for Information Access in
Multi-Disciplinary Product Design and
Engineering Settings
Dirk Ahlers∗, Mahsa Mehrpoor#, Kjetil Kristensen#, John Krogstie∗
∗ Department of Computer and Information Science
# Department of Engineering Design and Materials
NTNU – Norwegian University of Science and Technology
Trondheim, Norway
ICDIM 2015, Jeju, South Korea
2
Background Topics
• KBE (Knowledge-based Engineering)
• IR (Information Retrieval)
• Information Seeking
• Recommender Systems (RecSys)
• Knowledge Management
• Engineering and Design Toolchains
• Collaborative Work
3
Application Domain
• Information Access in large
engineering and design projects
• Large and multi-disciplinary project
teams, long project durations
• Vast mix of tools and heterogeneous
data sources
• Professional Search Environment
[Pictures source Wikipedia:User Tannkrem
https://en.wikipedia.org/wiki/File:Aker_Spitsbergen.JPG]
4
Research Issues
• KBE as rule-based engineering
– Capture and reuse of design knowledge
• Information-seeking workflow in knowledge-intense
engineering
• Heterogeneous non-textual data sources
• Bridging the gap between IR/RecSys and KBE
5
Challenges
• Limited information space
• Heterogeneous sources
• Knowledge separation
• Inconsistent (use of) metadata
• Insufficient connections between documents
• Sparsity of document space and user interactions
• Searcher are domain experts, search tasks are highly
complex
• Much interaction outside of the system
6
Conceptual View
[D. Ahlers and M. Mehrpoor, Semantic Social Recommendations
in Knowledge-Based Engineering, SP 2014]

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Challenges for Information Access in Multi-Disciplinary Product Design and Engineering Settings

  • 1. Challenges for Information Access in Multi-Disciplinary Product Design and Engineering Settings Dirk Ahlers∗, Mahsa Mehrpoor#, Kjetil Kristensen#, John Krogstie∗ ∗ Department of Computer and Information Science # Department of Engineering Design and Materials NTNU – Norwegian University of Science and Technology Trondheim, Norway ICDIM 2015, Jeju, South Korea
  • 2. 2 Background Topics • KBE (Knowledge-based Engineering) • IR (Information Retrieval) • Information Seeking • Recommender Systems (RecSys) • Knowledge Management • Engineering and Design Toolchains • Collaborative Work
  • 3. 3 Application Domain • Information Access in large engineering and design projects • Large and multi-disciplinary project teams, long project durations • Vast mix of tools and heterogeneous data sources • Professional Search Environment [Pictures source Wikipedia:User Tannkrem https://en.wikipedia.org/wiki/File:Aker_Spitsbergen.JPG]
  • 4. 4 Research Issues • KBE as rule-based engineering – Capture and reuse of design knowledge • Information-seeking workflow in knowledge-intense engineering • Heterogeneous non-textual data sources • Bridging the gap between IR/RecSys and KBE
  • 5. 5 Challenges • Limited information space • Heterogeneous sources • Knowledge separation • Inconsistent (use of) metadata • Insufficient connections between documents • Sparsity of document space and user interactions • Searcher are domain experts, search tasks are highly complex • Much interaction outside of the system
  • 6. 6 Conceptual View [D. Ahlers and M. Mehrpoor, Semantic Social Recommendations in Knowledge-Based Engineering, SP 2014]
  • 7. 7 Information Needs and Search Tasks • Information Seeking behaviour expanded with KBE tasks • Expand from a system-centric view and take user context and tasks into account • Widely varying tasks and contexts • IR/KM/RecSys is only an inner task in a nested context
  • 8. 8 Information Seeking • s Information Interaction Process Work Tasks Work process Seeking Context Information Needs IR/ Recommender System Document Storage Search Process Knowledge-Based Engineering System Rules User
  • 9. 9 Contextual Features • Important aspects in user information seeking • Can be used to enhance search and recommendation • Domain-specific • Ontology-supported query matching
  • 10. 10 System Framework • Implementation of both RecSys and IR aspects • User profiles • Domain Ontology • Relevance feedback • Adapted standard tools for (text) indexing • Information extraction and estimation for non-textual documents
  • 11. 11 Conclusion • Challenging research area: – Manufacturing Engineering Information Access • Use of context of the entire document collection • Ontology-supported matching of documents and tasks/processes • Support for recommendation, search, navigation • Future work – Refined system implementation – Deeper document analysis, Use of detailed ontology – User evaluations
  • 12. 12
  • 13. 13 Further reading [M. Mehrpoor, J. A. Gulla, D. Ahlers, K. Kristensen, S. Ghodrat, and O. I. Sivertsen, Using Process Ontologies to Contextualize Recommender Systems in Engineering Projects for Knowledge Access Improvement, in ECKM2015.] [D. Ahlers and M. Mehrpoor, Everything is Filed under ‘File’ – Conceptual Challenges in Applying Semantic Search to Network Shares for Collaborative Work, in Hypertext 2015.] [M. Mehrpoor, A. Gjærde, and O. I. Sivertsen, Intelligent services: A semantic recommender system for knowledge representation in industry, in ICE 2014.] [D. Ahlers and M. Mehrpoor, Semantic Social Recommenda- tions in Knowledge-Based Engineering, in SP 2014: Workshop on Social Personalisation at Hypertext 2014.]