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USING DOMAIN KNOWLEDGE FUNCTIONS TO ACCOUNT FOR HETEROGENEOUS CONTEXT FOR TASKS IN DECISION SUPPORT SYSTEMS FOR PLANNING
Mälardalen University, School of Innovation, Design and Engineering.
2018 (English)Independent thesis Basic level (degree of Bachelor), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis describes a way to represent domain knowledge as functions. Those functions can be composed and used for better predicting time needed for a task. These functions can aggregate data from different systems to provide a more complete view of the contextual environment without the need to consolidate data into one system. These functions can be crafted to make a more precise time prediction for a specific task that needs to be carried out in a specific context. We describe a possible way to structure and model data that could be used with the functions.

As a proof of concept, a prototype was developed to test an envisioned scenario with simulated data. The prototype is compared to predictions using min, max and average values from previous experience. The result shows that domain knowledge, represented as functions can be used for improved prediction.

This way of defining functions for domain knowledge can be used as a part of a CBR system to provide decision support in a problem domain where information about context is available. It is scalable in the sense that more context can be added to new tasks over time and more functions can be added and composed. The functions can be validated on old cases to assure consistency.

Place, publisher, year, edition, pages
2018. , p. 32
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:mdh:diva-41105OAI: oai:DiVA.org:mdh-41105DiVA, id: diva2:1252524
External cooperation
Saab Group
Subject / course
Computer Science
Supervisors
Examiners
Available from: 2018-10-19 Created: 2018-10-02 Last updated: 2018-10-19Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf