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2 December 2005 
Towards a Conceptual Framework and 
Metamodel for Context-aware Personal 
Cross-Media Information Managem...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 2 
Information Fragmentation
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 3 
Solutions for Information Fragmentation 
Unifying Solutions Task...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 4 
Object-Concept-Context (OC2) Framework 
object layer 
structural...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 5 
Structures and Navigation 
pdf of ER paper physical note 
Struct...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 6 
OC2 Object Layer 
 Objects 
 Digital and physical documents 
...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 7 
The Need for Concepts 
ER 2014 
travel info 
ER paper 
presentat...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 8 
OC2 Concept Layer 
object layer 
structural link 
concept layer ...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 9 
Integration of Context 
ER 2014 
travel info 
paper 
presentatio...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 10 
Context Layer 
object layer 
structural link 
concept layer 
co...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 11 
link 
Associative 
Links 
HasAssoc 
Target 
(0,*) 
(1,*) 
HasAs...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 12 
double 
Weights 
HasSource 
Weight 
HasTarget 
Weight 
HasConte...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 13 
Conclusion and Future Work 
 OC2 conceptual framework 
 Trans...
October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 14 
References 
 Towards a Conceptual Framework and 
Metamodel for...
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Towards a Conceptual Framework and Metamodel for Context-Aware Personal Cross-Media Information Management Systems

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Presentation given at ER 2014, 33rd International Conference on Conceptual Modelling, Atlanta, USA, October, 2014

ABSTRACT: Information fragmentation is a well-known issue in personal information management (PIM). In order to overcome this problem, various PIM solutions have focussed on linking documents via semantic relationships. More recently, task-centered information management (TIM) has been introduced as an alternative PIM paradigm. While these two paradigms have their strengths and weaknesses, we aim for a new PIM system design approach to achieve better synergies with human memory. We further envision a cross-media solution where physical information is integrated with a user's digital personal information space. We present the Object-Concept-Context (OC2) conceptual framework for context-aware personal cross-media information management combining the best of the two existing PIM paradigms and integrating the most relevant features of the human memory. Further, we outline how the OC2 framework has been implemented based on a domain-specific application of the Resource-Selector-Link (RSL) hypermedia metamodel.

Paper: https://www.academia.edu/7495430/Towards_a_Conceptual_Framework_and_Metamodel_for_Context-aware_Personal_Cross-Media_Information_Management_Systems

Published in: Science
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Towards a Conceptual Framework and Metamodel for Context-Aware Personal Cross-Media Information Management Systems

  1. 1. 2 December 2005 Towards a Conceptual Framework and Metamodel for Context-aware Personal Cross-Media Information Management Systems Sandra Trullemans and Beat Signer Web & Information Systems Engineering Lab (WISE) Department of Computer Science Vrije Universiteit Brussel WEB & INFORMATION SYSTEMS ENGINEERING
  2. 2. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 2 Information Fragmentation
  3. 3. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 3 Solutions for Information Fragmentation Unifying Solutions Task Information Management HayStack Semantic Desktop OntoPim
  4. 4. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 4 Object-Concept-Context (OC2) Framework object layer structural link concept layer context layer navigational link associative link weighted link Object 1 Object n Object 2 Context 1 Context n Concept 1 Concept 2 Concept n extent link entity link Links selector resource (1,*) (1,*) (1,1) (0,*) (0,*) (0,*) RefersTo HasSource HasTarget partition Entities (0,*) link Navigational Links link Extent Links partition Selectors Resources context Contexts link Structural Links link Associative Links resource Physical Objects resource Digital Objects resource Concepts resource Objects HasAssoc Target (0,*) (1,*) HasExt Target HasExt Source HasAssoc Source (1,1) (1,*) (0,*) (0,*) (0,*) (1,1) disjoint partition translation conceptual framework metamodel
  5. 5. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 5 Structures and Navigation pdf of ER paper physical note Structures Navigation digital digital digital physical digital physical
  6. 6. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 6 OC2 Object Layer  Objects  Digital and physical documents  Parts of documents object layer structural link navigational link Object 1 Object n Object 2
  7. 7. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 7 The Need for Concepts ER 2014 travel info ER paper presentation PIM
  8. 8. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 8 OC2 Concept Layer object layer structural link concept layer navigational link associative link Object 1 Object n Object 2 Concept 1 Concept 2 Concept n extent link
  9. 9. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 9 Integration of Context ER 2014 travel info paper presentation PIM
  10. 10. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 10 Context Layer object layer structural link concept layer context layer navigational link associative link weighted link Object 1 Object n Object 2 Context 1 Context n Concept 1 Concept 2 Concept n extent link
  11. 11. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 11 link Associative Links HasAssoc Target (0,*) (1,*) HasAssoc Source (1,1) (0,*) link Extent Links partition HasExt Target HasExt Source (1,*) (0,*) (0,*) (1,1) OC2 Metamodel entity link Links selector resource (1,*) (1,*) (1,1) (0,*) (0,*) (0,*) RefersTo HasSource HasTarget partition Entities (0,*) link Navigational Links Selectors Resources link Structural Links context Contexts resource Physical Objects resource Digital Objects resource Concepts resource Objects disjoint partition
  12. 12. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 12 double Weights HasSource Weight HasTarget Weight HasContext Weight (1,1) (1,1) (1,1) (0,*) (0,*) (0,*) HasSource Relevance HasTarget Relevance (0,*) (0,*) (0,*) (0,*) OC2 Metamodel entity link Links (1,*) (1,*) (0,*) (0,*) HasSource HasTarget Entities (0,*) InContext context Contexts (0,*) (0,*)
  13. 13. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 13 Conclusion and Future Work  OC2 conceptual framework  Translation into the OC2 metamodel  Implementation as Java library  User interfaces  Personal ontology layer  Evaluation
  14. 14. October 28, 2014 Sandra Trullemans, strullem@vub.ac.be 14 References  Towards a Conceptual Framework and Metamodel for Context-Aware Personal Cross-Media Information Management Systems, Sandra Trullemans and Beat Signer, Proceedings of ER 2014, 33rd Inter-national Conference on Conceptual Modelling, Atlanta, USA, October, 2014

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