Agile method in the support of UI Context-Aware Adaptation.
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This document discusses agile methods for supporting context-aware user interface (UI) adaptation. It notes that adaptation is needed to accommodate diverse user needs, but current approaches lack flexibility and predictability. The document proposes an agile adaptation approach using a four-step loop to rapidly incorporate changes based on user interactions and context. This would enhance the user's role in runtime UI design through iterative prototyping of abstract models and combining recognition of adaptation triggers with selection of appropriate adaptation strategies.
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Agile method in the support of UI Context-Aware Adaptation.
- 1. Agile method in the support of UI Context- Aware Adaptation Nesrine Mezhoudi, Jorge Luis Perez Medina and Jean Vanderdonckt 1
- 2. Adaptation is an end-user/customer need Adaptation consist on building a degree of flexibility for UIs to better accommodate the diverse needs of users. • Lack of flexibility • Lack of predictability best adaptation rule could not be predicted 2
- 3. Need for Context-awareness 0% 20% 40% 60% 80% 100% Personal computer Personal Smartphone Personal desktop computer Professional desktop computer Feature phone Game station Professional laptop Nintendo game station Multimedia player Tablet PC / iPad Professional smartphone Everywhere users Web users Web 100% Multi- platform 52% Everywhere 30% 3
- 4. Current problems of UIs 4 Lack of usability Too high functionality Painful Adaptability Lack of user- centeredness Lack of flexibility Frustrating adaptivity Complex UI Overloaded UIDifficult to use Rigid interaction Ambiguous interaction One size do not fill all User Dissatisfaction
- 5. Challenge Enhance systems capability to learn over time from experience with end-users How to involve end-users in adaptation decisions? How can UI be presented more effectively regarding end-users needs? 5 [1]N.Mezhoudi, User Interface Evolution: Machine learning for GUI at runtime contextualisation, BENEVOL 2013, 46 [2]N Mezhoudi, User interface adaptation based on user feedback and machine learning, Proceedings of the companion publication of the 2013 international conference on Intelligent user interfaces companion. [3]V.Genaro motti, N Mezhoudi, J Vanderdonckt, A Theoretical Framework for Specifying and Analyzing Context-Aware Adaptation, Workshop on Context-Aware Adaptation of Service Front-Ends CASFE'2012
- 6. Solution: Interaction-based adaptation Objective: Enhancing the end-user role in the UI design at runtime. 6
- 7. Agenda Main concepts :Adaptation dimentions, Agile State of the art Agile Adaptation Agile Adaptation in the support of methodological prototyping 7
- 8. Agile method in Software development To be agile: • you must go through this full four-step loop continuously and at lightning speed • you must close the gap between the time a change occurs in the real world and when you take action. 8
- 9. Adaptation Decomposition When? <user, platform, environment> -Tracking adaptation- triggers -Support the decisions of adaptation Assigns adaptation constituents to specific adaptation determinants Strategies: -Rule’s repository, -Selection trees, -Decision matrix… information analysis -inferences … Recognize the Final UI. 9
- 14. 14 Agilemethodology loop for adaptation support Interaction session
- 16. Agile Adaptation in the support of Runtime context-awareness 16 Walkaware webservices
- 17. 17 Agile Adaptation in the support of Runtime context-awareness Wetheraware webservices
- 18. Agile Adaptation in the support of Runtime context-awareness 18 recognizes functionality that concern interface e.g: changing appearance and interaction style…
- 19. 19 prototyping abstract models e.g: allowing users to update explicitly their profiles in order to accommodate the appropriate adaptation regarding their preferences… Agile Adaptation in the support of Runtime context- awareness
- 20. 20 combines both above stated strategies... Agile Adaptation in the support of Runtime context-awareness
- 21. Demo 21
- 22. Conclusion and Future Works • A theoretical framework for Agile Adaptation at runtime: Adaptive, Iterative, Incremental, Evolutionary • A case study, and a preliminary analysis of Agile Adaptation for prototyping UIs • Integrating the framework within typical Agile method for SE • Platform Support for the proposal 22
- 23. Thank you ! Visit (YouTube): UsiXML Playlist https://www.youtube.com/playlist?list=PLn_SfKW8yXZAVuESKWEKUqwRQa16ORCi6 Slideshare http://fr.slideshare.net/jeanvdd?utm_campaign=profiletracking&utm_medium=sssite&utm_source=ssslideview Nesrine Mezhoudi, Jorge Luis Perez Medina, Iyad Khaddam and Jean Vanderdonckt JouNum 23
Editor's Notes
- Nathalie Delobbe
- Definir adaptation Advantages Shortcoming Regidety of poutr cooncepter et utilisateur Commonly Adaptive user interface are based on a set of predefined and even static adaptation rules defined regarding standards, ergonomic guidelines, esthetic metrics… Accordingly it is hard to readapt the UI neither to update the existing adaptation rules wish supposed to evolve across time. and even it it is possible in what costs ? this lack of dynamic adaptability among systems has several consequences: user dissatisfaction because these systems do not fit the users needs, limitations, and preferences, user demotivation to use the system and finally user withdrawal Thereby the dynamicity and the interactivity od adaptation began a crucial requirement to keep the user and ensure their satisfaction.
- This is causes/effects as in lack of usability poor performances, dissatisfaction, frustration….
- The need for adaptation is a need to reduce the gap between user needs and expectation and systems services, tasks and adaptation , interaction …. This tasks depend on time since overcoming interaction shortcoming during runtime provide user a better interaction and enhance the usability of interfac However within the changed context delayed adaptation doesnt make sens Since neww requirement with dynamic context of use .
- Here we identify adaptation dimention wia a formal analysis methods (the 5 ws) queqtion , this deconposation allow to identifu adaptation t-reletaed , causes, forms ciscomstances … Accodingly ana adaptation is identified by the To what ???, the when , that identify the adaptation trigger recognizing the moment where an event requiring adaptation occure The how : this function asssign adaptation it consist on a reasonning treatment definig hox such requirement could be accomplich and wich adaptationshould be made .