Alan Dix > 2008

Using Spreading Activation through Ontologies to Support Personal Information Management

Akrivi Katifori1, Costas Vassilakis2, Alan Dix3

1Department of Informatics & Telecommunications,
University of Athens, Athens, Hellas (Greece)
2Dept. of Computer Science and Technology,
University of Peloponnese, Tripolis, Hellas (Greece)
3Computing Department,
Lancaster University, Lancaster, UK

Paper at Common Sense Knowledge and Goal-Oriented Interfaces (CSKGOI 2008) (workshop at 2008 International Conference on Intelligent User Interfaces (IUI 2008), January 13, 2008. Canary Islands, Spain)

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Abstract

Recent research in the domain of Personal Information Management has recognized the need for a paradigm shift towards a more activity-oriented system. Ontologies, as semantic networks with a structure not dissimilar to the one used by the human brain for storing long-term knowledge, may be very useful as the basis of such a system. This work proposes the use of spreading activation over ontologies in order to provide to a task-based system and its associated tools with methods to record semantics related to documents and tasks and to support user context inference.

keywords: Personal ontology, spreading activation, context inference 

Full reference:
A. Katifori, C. Vassilakis and A. Dix (2008). Using Spreading Activation through Ontologies to Support Personal Information Management. In Common Sense Knowledge and Goal-Oriented Interfaces (CSKGOI 2008) (workshop at 2008 International Conference on Intelligent User Interfaces (IUI 2008), January 13, 2008. Canary Islands, Spain). CEUR Workshop Proceedings Vol 323.
http://www.hcibook.com/alan/papers/
CSKGOI2008-speading-act/
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Figure 1: Basic outline of a PIMS system

Figure 2. Overview of the Personal Ontology with the upper levels expanded.

Figure 3. An example of spreading activation over the
personal ontology,

Figure 4.
Part of the plug-in window showing the STA, MTA and LTA values for the entities that received STA activation value greater than 12, when entity “Alan Dix” got IA = 1

 

 

http://www.hcibook.com/alan/papers/CSKGOI2008-speading-act/

Alan Dix 28/2/2008