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CARIM
A Context-aware Model for QoE Analysis
in Mobile Environments
Pedro Mateo (pedromateo@um.es)
Diego Sevilla, Gregorio Mart´ınez
Interacci´on 2013 September
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 1 / 16
Agenda
CARIM
A Context-aware Model for QoE Analysis
in Mobile Environments
1 Motivation
the problem and the proposed solution
2 CARIM metamodel
description of CARIM features and benefits
3 Practical overview and Conclusion
working scenario, the experiment and conclusion
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 2 / 16
I
Motivation
The problem
When we analyze mobile interaction...
some methods use cumulative values → but interaction is dynamic
context matters → but context changes
some methods lack structure → hinders analysis/comparison
interaction data usually separated from quality perception → QoE?
this hinders mobile QoE analysis
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 4 / 16
The solution
Thus, we propose:
describe interaction stepwise, using turns
describe the surrounding context dynamically
structure parameters to allow comparison of interaction records
link quality perception to interaction records
CARIM metamodel does this way
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 5 / 16
II
CARIM
CARIM: dynamic description of multimodal interaction
based on PALADIN1 ⇒ multimodal interaction metamodel
describes communication content + metadata by turn
1
http://www.catedrasaes.org/wiki/MIM
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 7 / 16
CARIM: context-aware
contextual factors affecting users experience with mobile apps
dimensions: physical, social, location/time, device and connectivity
context described by turn ⇒ dynamic environment
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 8 / 16
CARIM: perceived quality and cognitive state
describes perceived quality using parameters of a questionnaire
describes influencing factors for quality perception:
users mood and attitude towards technology
ratings linked to interaction ⇒ enhanced QoE analysis
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 9 / 16
Benefits: unified criteria
same structure and metrics regardless of the execution environment
provides experts and tools with unified criteria
allows comparison between CARIM instances
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 10 / 16
Benefits: run-time nature
run-time nature ⇒ relationship (data ↔ time) ⇒ running instances
dynamic (stepwise) analysis of interaction
real-time adaptation decisions
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 11 / 16
III
Practical overview and
Conclusion
Typical scenario of use
More info about CARIM and the other tools:
Mateo et al., http://www.catedrasaes.org/wiki/Carim
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 13 / 16
The experiment
CARIM is in an experiment comparing
2 different interaction designs
the user has to play with a Lunar
Lander game, and then answer a short
questionnaire
we need more participants. Please, help
us and join the experiment...
using this QR code, or
going to www.pedromateo.es/carim-experiment.html, or
search for “phd experiment” in
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 14 / 16
Conclusion
CARIM ⇒ parameter-based metamodel
quantifies mobile user-system interaction
describes live surrounding context
includes cognitive state and quality ratings
CARIM ⇒ unified criteria to describe mobile interaction
comparison of QoE records; reuse of analysis tools
CARIM ⇒ run-time metamodel
live interaction + context → stepwise analysis; decision
CARIM ⇒ ratings + interaction → enhances QoE analysis
CARIM is not alone ⇒ integration framework + HCI extractor
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 15 / 16
Acknowledgements
www.catedrasaes.org
Supported by:
cátedrasaeslabs
Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 16 / 16

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A context-aware model for QoE analysis in mobile environments

  • 1. CARIM A Context-aware Model for QoE Analysis in Mobile Environments Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez Interacci´on 2013 September Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 1 / 16
  • 2. Agenda CARIM A Context-aware Model for QoE Analysis in Mobile Environments 1 Motivation the problem and the proposed solution 2 CARIM metamodel description of CARIM features and benefits 3 Practical overview and Conclusion working scenario, the experiment and conclusion Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 2 / 16
  • 4. The problem When we analyze mobile interaction... some methods use cumulative values → but interaction is dynamic context matters → but context changes some methods lack structure → hinders analysis/comparison interaction data usually separated from quality perception → QoE? this hinders mobile QoE analysis Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 4 / 16
  • 5. The solution Thus, we propose: describe interaction stepwise, using turns describe the surrounding context dynamically structure parameters to allow comparison of interaction records link quality perception to interaction records CARIM metamodel does this way Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 5 / 16
  • 7. CARIM: dynamic description of multimodal interaction based on PALADIN1 ⇒ multimodal interaction metamodel describes communication content + metadata by turn 1 http://www.catedrasaes.org/wiki/MIM Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 7 / 16
  • 8. CARIM: context-aware contextual factors affecting users experience with mobile apps dimensions: physical, social, location/time, device and connectivity context described by turn ⇒ dynamic environment Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 8 / 16
  • 9. CARIM: perceived quality and cognitive state describes perceived quality using parameters of a questionnaire describes influencing factors for quality perception: users mood and attitude towards technology ratings linked to interaction ⇒ enhanced QoE analysis Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 9 / 16
  • 10. Benefits: unified criteria same structure and metrics regardless of the execution environment provides experts and tools with unified criteria allows comparison between CARIM instances Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 10 / 16
  • 11. Benefits: run-time nature run-time nature ⇒ relationship (data ↔ time) ⇒ running instances dynamic (stepwise) analysis of interaction real-time adaptation decisions Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 11 / 16
  • 13. Typical scenario of use More info about CARIM and the other tools: Mateo et al., http://www.catedrasaes.org/wiki/Carim Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 13 / 16
  • 14. The experiment CARIM is in an experiment comparing 2 different interaction designs the user has to play with a Lunar Lander game, and then answer a short questionnaire we need more participants. Please, help us and join the experiment... using this QR code, or going to www.pedromateo.es/carim-experiment.html, or search for “phd experiment” in Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 14 / 16
  • 15. Conclusion CARIM ⇒ parameter-based metamodel quantifies mobile user-system interaction describes live surrounding context includes cognitive state and quality ratings CARIM ⇒ unified criteria to describe mobile interaction comparison of QoE records; reuse of analysis tools CARIM ⇒ run-time metamodel live interaction + context → stepwise analysis; decision CARIM ⇒ ratings + interaction → enhances QoE analysis CARIM is not alone ⇒ integration framework + HCI extractor Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 15 / 16
  • 16. Acknowledgements www.catedrasaes.org Supported by: cátedrasaeslabs Pedro Mateo (pedromateo@um.es) Diego Sevilla, Gregorio Mart´ınez ()Model-based QoE Analysis Interacci´on 2013 September 16 / 16