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Evaluation of Instances Asset in a Topic Maps-Based Ontology

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The document discusses evaluating the information asset of topics in a topic maps ontology. It describes assigning partial weights to topics based on attribute richness and total weights based on surrounding topic descriptions. The user can set attribute weights and weights for three categories of associations. Normalizing total topic weights results in information asset values that can be used to rank search results based on usefulness to the user.

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Evaluation of Instances Asset in a Topic Maps Ontology Petra Haluzová [email_address] Department of Informatics and Telecommunications Faculty of Transportation Sciences Czech Technical University in Prague TMRA 2010
Information asset of instance (topic) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],? Breed: dachshund Photo: http://... ,[object Object]
Weights assignment: Partial weight of topic c i ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],List of attributes and their weights: Article: 1 Audio recording: 2 Bibliography: 2 Biographical article: 1 Date of birth: 1 Date of death: 1 Description: 1 Editorial guidelines: 1 Gallery: 1 Illustration: 1 Libretto: 2 Note: 1 Poster: 1 Premiere date:1 Sound clip: 2 Synopsis: 1 Video recording: 2 Web page: 2 Web site: 3
Weights assignment: Total topic weight w i ,[object Object],[object Object],[object Object],[object Object],[object Object]
Weights assignment: Weights of associations categories a ij ,[object Object],[object Object],[object Object],k = 0 . 2 weights of all attributes: 1
Weights assignment: Influence of coefficient k ,[object Object],[object Object],[object Object],weights of all attributes: 1 weights of all categories: 1 . 0
Parameters setting Results ,[object Object],[object Object],Weights of attributes in the list above. k = 0 . 2 Weights of categories of associations: defining – 1 . 0 hierarchical – 0 . 5 contextual – 0 . 2
Summary (repetition is the mother of wisdom) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Application ,[object Object],[object Object],[object Object],[object Object],[object Object]
Scheme of topics interconnection Matrix notation
Algorithm
Thank you for your attention

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Evaluation of Instances Asset in a Topic Maps-Based Ontology

  • 1. Evaluation of Instances Asset in a Topic Maps Ontology Petra Haluzová [email_address] Department of Informatics and Telecommunications Faculty of Transportation Sciences Czech Technical University in Prague TMRA 2010
  • 2.
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  • 10. Scheme of topics interconnection Matrix notation
  • 12. Thank you for your attention