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Fusion Schemes for Multiview Distributed Video Coding

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De Gustibus Disputandum Est: Non-Linearity in Public Transportation Service Quality Evaluation

Amanda Blomberg Stathopoulos

User perceptions of service quality are essential to promote public transport ridership and trigger positive externalities. Therefore, research efforts need to analyze service quality from the point of view of users. This article builds on the stream of wo ...

Taylor & Francis Inc2014

Distributed Adaptation Decision-Taking Framework and Scalable Video Coding Tunneling for Edge and In-Network Media Adaptation

Daniele Renzi

Existing and future media ecosystems need to cope with the ever-increasing heterogeneity of networks, devices, and user characteristics collectively referred to as (usage) context. The key to address this problem is media adaptation to various and dynamica ...

IEEE2012

Zeta: Scheduling Interactive Services with Partial Execution

James Richard Larus, Sameh Mohamed Elnikety, Chenyu Yan

This paper presents a scheduling model for a class of interactive services in which requests are time bounded and lower result quality can be traded for shorter execution time. These applications include web search engines, finance servers, and other inter ...

ACM2012

Enhanced Wavefield Separation of OBS Data

Loïc Arnaud Baboulaz

In ocean-bottom seismic (OBS) data processing, wavefield separation results are sometimes affected by high levels of noise on the vertical component Z, while the pressure component P is in general of good quality. Nonetheless, Z is needed to achieve comple ...

Society of Petroleum Engineers2011

Towards Probabilistic Estimation of Quality of Online Services

Karl Aberer

Accurate estimation of quality of online services is both an important and difficult problem, since a service has many interdependent quality attributes influenced by several contextual factors. It is even more challenging as quality ratings come from sour ...

IEEE2009

Toward a Service Management Quality Model

Gil Regev, Alain Wegmann

[Context and motivation] Service Management has been steadily gaining in importance in many organizations and is becoming a major force of change in IT departments. ITIL, one of the main service management frameworks, defines the value of a service for its ...

Springer2009

Quality of Multimedia Experience: Past, Present and Future

Touradj Ebrahimi

This talk starts by defining what is Quality of Experience. It then provides an overview of state of the art in Quality of Experience in multimedia systems. It will finally conclude by presenting challenges and trends that need to be further addressed. ...

ACM2009

Mechanisms for Making Crowds Truthful

Boi Faltings, Radu Jurca

We consider schemes for obtaining truthful reports on a common but hidden signal from large groups of rational, self-interested agents. One example are online feedback mechanisms, where users provide observations about the quality of a product or service s ...

AI Access Foundation2009

Delayed Multiattribute Product Differentiation

Thomas Alois Weber

We develop a two-stage model for versioning products with respect to both vertical and horizontal attributes. At first, a firm positions its top-quality “flagship” product in a market with an imperfectly known distribution of tastes and reservation prices. ...

2008

Probabilistic Estimation Quality Ratings of Online Services

Karl Aberer

2008