Successfully reported this slideshow.
The University of the West IndiesPersonalization of Web BasedInteractive Systems usingComputational Intelligencetechniques...
The University of the West Indies Ms. Tricia Rambharose 2 of 14Scope of researchLearning StylesPersonalizationeLearningPer...
The University of the West Indies Ms. Tricia Rambharose 3 of 14• 2000-2010 rate of Internet growth was 445%[Source: Miniwa...
The University of the West Indies Ms. Tricia Rambharose 4 of 14What is Web personalization?“any set of actions that can ta...
The University of the West Indies Ms. Tricia Rambharose 5 of 14Intelligent techniques for personalizationSwarm Intelligenc...
The University of the West Indies Ms. Tricia Rambharose 6 of 14Processing user profilesTaxonomy: Personalization of Web ba...
The University of the West Indies Ms. Tricia Rambharose 7 of 14Personalization procedurebased on taxonomyProfileGeneration...
The University of the West Indies Ms. Tricia Rambharose 8 of 14Comparison of intelligent techniquesFL GA NN PSO ACO BCO WC...
The University of the West Indies Ms. Tricia Rambharose 9 of 14Validation of Neuro-Swarm modelTraditional Neural Network N...
The University of the West Indies Ms. Tricia Rambharose 10 of 14Neuro-Swarm model on Mathworks.com[T. Rambharose, http://w...
The University of the West Indies Ms. Tricia Rambharose 11 of 14Neuro-Swarm model fordetermining students’ online Learning...
The University of the West Indies Ms. Tricia Rambharose 12 of 14Neuro-Swarm structure for a simulated exampleTime onexampl...
The University of the West Indies Ms. Tricia Rambharose 13 of 14Personalization of a course on MoodleArea before contentAr...
The University of the West Indies Ms. Tricia Rambharose 14 of 14Future work• Comparison of Neuro-Swarm model to BayesianNe...
The University of the West IndiesTricia RambharoseDept. Computing and Information TechnologyThe University of the West Ind...
The University of the West Indies Ms. Tricia Rambharose QuestionsNeuro-Swarm model settingsNeural Network settingsParticle...
The University of the West Indies Ms. Tricia Rambharose QuestionsMain contributions• Comparison and assessment of intellig...
The University of the West Indies Ms. Tricia Rambharose QuestionsLargerpersonalizationproject StudentQuestionnaireCreatest...
The University of the West Indies Ms. Tricia Rambharose Questions2. Student model1. Personalized eLearning system3. Neural...
The University of the West Indies Ms. Tricia Rambharose QuestionsInputs of Neuro-Swarm model fordetermining Learning Style...
The University of the West Indies Ms. Tricia Rambharose QuestionsOutput range of Neuro-Swarmmodel for determining Learning...
Upcoming SlideShare
Loading in …5
×

Personalization of Web Based Interactive Systems using Computational Intelligence techniques

1,263 views

Published on

This is my presentation given at the 1st DCIT Technical Symposium on Computer Science Research at the University of the West Indies, Trinidad.

Published in: Technology, Education
  • Be the first to comment

  • Be the first to like this

Personalization of Web Based Interactive Systems using Computational Intelligence techniques

  1. 1. The University of the West IndiesPersonalization of Web BasedInteractive Systems usingComputational IntelligencetechniquesTricia Rambharose18/ 01/ 20111st DCIT Technical Symposium on Computer Science Research
  2. 2. The University of the West Indies Ms. Tricia Rambharose 2 of 14Scope of researchLearning StylesPersonalizationeLearningPersonalizationof web basedinteractivesystemsbycomputationalintelligence ParticleSwarmOptimizationNeuralNetworksWebUsabilityComputationalIntelligenceneuro-swarm
  3. 3. The University of the West Indies Ms. Tricia Rambharose 3 of 14• 2000-2010 rate of Internet growth was 445%[Source: Miniwatts Marketing Group, World Internet Users and Population Statistics]• Size and complexity of websites and web based interfacesincrease.• User frustration!– Information overload.– Users’ different characteristics are ignored.– Users’ different needs and preferences are ignored.Problems addressed
  4. 4. The University of the West Indies Ms. Tricia Rambharose 4 of 14What is Web personalization?“any set of actions that can tailor the Web experience toa particular user or set of users.”Source: [Anand, and Mobasher, 2007]
  5. 5. The University of the West Indies Ms. Tricia Rambharose 5 of 14Intelligent techniques for personalizationSwarm Intelligence6. ParticleSwarmOptimization(PSO)Computational intelligence2. Fuzzy Logic(FL)4. NeuralNetworks(NN)1. ArtificialImmuneSystems(AIS)3. GeneticAlgorithms(GA)5. AntColonyOptimization(ACO)7. WaspColonyOptimization(WCO)8. BeeColonyOptimization(BCO)
  6. 6. The University of the West Indies Ms. Tricia Rambharose 6 of 14Processing user profilesTaxonomy: Personalization of Web basedsystems using intelligent techniquesCreation of user profilesPersonalizationProfile Generation Profile ExploitationNavigation ContentAIS ACO FL PSO GA NN GA FL NN BCO FL PSO GA WCO NNSource: [T. Rambharose, A. Nikov, 2009]
  7. 7. The University of the West Indies Ms. Tricia Rambharose 7 of 14Personalization procedurebased on taxonomyProfileGenerationProfileExploitationCreate orupdate userprofileExplicit and implicituser dataUser profile dataUser profile dataUser preferencesWebbasedsystemUserPersonalized content and navigation
  8. 8. The University of the West Indies Ms. Tricia Rambharose 8 of 14Comparison of intelligent techniquesFL GA NN PSO ACO BCO WCO AISFL-PSOFL-NNFL-GAGA-NNSimplicitySpeedSoundtheoryLearningabilityWell testedGood Not as goodNeuro-Swarm
  9. 9. The University of the West Indies Ms. Tricia Rambharose 9 of 14Validation of Neuro-Swarm modelTraditional Neural Network Neural Network with PSO2000 runs tominimizeerror to 0.023350 runs tominimizeerror to 0.001Error relates to accuracy
  10. 10. The University of the West Indies Ms. Tricia Rambharose 10 of 14Neuro-Swarm model on Mathworks.com[T. Rambharose, http://www.mathworks.com/matlabcentral/fileexchange/29565-neural-network-add-in-for-psort]
  11. 11. The University of the West Indies Ms. Tricia Rambharose 11 of 14Neuro-Swarm model fordetermining students’ online Learning Style…Sequential/GlobalVisual/VerbalSensing/IntuitiveActive/ReflectiveNsgNvvNsiNar21 …21 …21 …21Based on four learning style dimensions in theFelder Silverman Learning Style ModelTotalactive/reflectivebehavioursHidden LayerInput LayerOutput LayerTotalSensing/IntuitivebehavioursTotalVisual/VerbalbehavioursTotalSequential/Globalbehaviours
  12. 12. The University of the West Indies Ms. Tricia Rambharose 12 of 14Neuro-Swarm structure for a simulated exampleTime onexamplesTime onexercisesTime oncontentNo. examplevisitsNo. exercisevisitsNo. forumvisitsVisual/VerbalLearning style value between 0-1Hidden LayerInputsOutput
  13. 13. The University of the West Indies Ms. Tricia Rambharose 13 of 14Personalization of a course on MoodleArea before contentArea after content
  14. 14. The University of the West Indies Ms. Tricia Rambharose 14 of 14Future work• Comparison of Neuro-Swarm model to BayesianNetworks and Rule Based approach, for learningstyle determination, using real data.• Modify Neuro-Swarm model to minimize error.• Project: Personalization of a health-orienteddistance learning system using a Neuro-Swarmmodel.
  15. 15. The University of the West IndiesTricia RambharoseDept. Computing and Information TechnologyThe University of the West Indies (UWI)Trinidad, W.I.tricia.rambharose@sta.uwi.eduwww.tricia-rambharose.com&SUGGESTIONS
  16. 16. The University of the West Indies Ms. Tricia Rambharose QuestionsNeuro-Swarm model settingsNeural Network settingsParticle Swarm Optimization settings
  17. 17. The University of the West Indies Ms. Tricia Rambharose QuestionsMain contributions• Comparison and assessment of intelligence techniques forpersonalization and recommendation of using a Neuro-Swarm technique• New model for determining learning style -> more accurateuser modeling -> more accurate personalization.• MATLAB add-in available on Mathworks.com• Dynamic and automatic personalization for individualstudents in a health oriented eLearning system.• Part of a larger personalization project.
  18. 18. The University of the West Indies Ms. Tricia Rambharose QuestionsLargerpersonalizationproject StudentQuestionnaireCreatestudentmodelStudentModelAdaptcourseStudentlearningUpdatemodel?OnlineCourseYesYes NoNoUpdatestudentmodelFill outquestionnaire?
  19. 19. The University of the West Indies Ms. Tricia Rambharose Questions2. Student model1. Personalized eLearning system3. Neural NetworkContribution to larger personalization projectLearning styles∑ ƒwbn aNN input:BehaviorsNN output:Learning style
  20. 20. The University of the West Indies Ms. Tricia Rambharose QuestionsInputs of Neuro-Swarm model fordetermining Learning StylesActive/Reflective Sensing/Intuitive Visual/Verbal Sequential/Globalcontent_visitcontent_stayoutline_stayexample_stayselfass_visitselfass_stayselfass_twice_wrongexercise_visitexercise_stayquiz_stay_resultsforum_visitforum_postcontent_visitcontent_stayexample_visitexample_stayselfass_visitselfass_stayexercise_visitques_detailques_factsques_conceptsques_developquiz_revisionsquiz_stay_resultscontent_visitques_graphicsques_textforum_visitforum_stayforum_postoutline_visitoutline_stayques_detailques_overviewques_interpretques_developnavigation_skipnavigation_overview_visitnavigation_overview_staySource: [S. Graf, 2007]
  21. 21. The University of the West Indies Ms. Tricia Rambharose QuestionsOutput range of Neuro-Swarmmodel for determining LearningStylesActiveReflective1.00.90.80.70.60.50.40.30.20.10ModerateactiveModeratereflective BalancedStrongreflectiveStrongactive

×