Le-Thu Nguyen

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An Enhanced Analytical Framework Integrating aspects of Network and Application performance, Psychology, and Content in QoE Assessment for Web browsing

Asia-Pacific Broadcasting Union (ABU) Kuala Lumpur Malaysia Abstract—Evaluation of Quality of Exp... more Asia-Pacific Broadcasting Union (ABU) Kuala Lumpur Malaysia Abstract—Evaluation of Quality of Experience (QoE) for web browsing is a challenging topic as it involves many different factors related to human as well as technical issues. To understand such a large number of human and technical metrics is both difficult and tricky. Two main objectives of the research presented in this paper are to propose and develop a new QoE assessment approach based on a comprehensive set of key metrics for web browsing. The paper starts by evaluating each metric related to users' score before integrating them all into the assessment. Then, the proposed QoE assessment of Web based services uses a comprehensive set of metrics in order to construct a full and detailed understanding of users' experiences in a web based service environment. Finally, the paper presents an investigation into the applicability of a mixed effect model for prediction of QoE based on the proposed set of metrics. The an...

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Assessment of quality of experience for web browsing-as function of quality of service and content factors

2013 Fifth International Conference on Ubiquitous and Future Networks (ICUFN), 2013

ABSTRACT Evaluation of QoE for web browsing is a challenging topic as it involves many different ... more ABSTRACT Evaluation of QoE for web browsing is a challenging topic as it involves many different factors related to human as well as technical issues. To understand such a large number of human and technical metrics is both difficult and tricky. Two main objectives of this paper are to propose and develop a new QoE assessment approach for web browsing. The proposed QoE assessment of Web based services uses a comprehensive set of metrics in order to construct a full and detailed understanding of users&#39; experiences in a web based service environment. The analysis and validation of QoE assessment of Web based traffic using both objective parameters from networking, application, and content perspectives have shown the efficacy of the proposed assessment. A comprehensive set of metrics has been evaluated on the overall web user QoE.

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Application of a Mixed Effects Model in Predicting Quality of Experience in World Wide Web Services

2012 Fourth International Conference on Computational Intelligence, Modelling and Simulation, 2012

ABSTRACT This paper investigates the applicability of a mixed effects model in predicting Quality... more ABSTRACT This paper investigates the applicability of a mixed effects model in predicting Quality of Experience (QoE) in World Wide Web based multi-media services. An analysis is presented on objective factors and a human factor that may impact on outcomes of observations as fixed effects, population mean, and random effects, group specific, and account for a correlation structure of variations amongst users. The objective metric for QoE evaluation has been based on networking perspectives from the World Wide Web and metrics based on the application layer and human perception. The subjective metric is related to a state of mind factor and the variance of each individual amongst group. The model is developed to account these factors and other potential covariates to QoE assessment during the course of the experiment. The model demonstrates an acceptable correlation between values of the fitted analytical model and observed user scores.

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Analysis of networking and Application Layer derived metrics for web Quality of Experience

2012 IEEE Consumer Communications and Networking Conference (CCNC), 2012

Subjective assessment for measuring the Quality of Experience may require time-consuming and ofte... more Subjective assessment for measuring the Quality of Experience may require time-consuming and often expensive methods, and yet, quantitative and accurate user scores are desired. In order to obtain valid correlation between analytical model and user scores, assessment based on networking perspectives and human perception is required. In this study, we have utilized the orthogonal arrays using the Taguchi approach to construct the experiment to characterize the application as well as network performance metrics in our QoE assessment model for web-based systems.

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Modelling of Quality of Experience for Web Traffic

2010 Second International Conference on Network Applications, Protocols and Services, 2010

Abstract-Surfing the Web is a practical task that is being used in activities that range from ban... more Abstract-Surfing the Web is a practical task that is being used in activities that range from bank transactions to entertainment. Web technology is advancing in order to provide its users with better quality and advanced features. Based on networking parameters, Internet Service ...

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