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From Composites to Service Systems: The Role of Emergence in Service Design

Alain Wegmann, Anshuman Bahadur Saxena

Service Design is an engineering endeavor to enrich some aspect of the real world through a man-made artifact. Systems approach to modeling reality is particularly relevant to Service Design as it seeks to explain reality as a composition of functional obs ...

2012

Virtual Reality in Medicine

Virtual Reality has the potential to provide descriptive and practical information for medical training and therapy while relieving the patient or the physician. Multimodal interactions between the user and the virtual environment facilitate the generation ...

Springer London2012

In Tags We Trust: Trust modeling in social tagging of multimedia content

Touradj Ebrahimi, Jong Seok Lee, Ivan Ivanov, Péter Vajda

Tagging in online social networks is very popular these days, as it facilitates search and retrieval of multimedia content. However, noisy and spam annotations often make it difficult to perform an efficient search. Users may make mistakes in tagging and i ...

2012

Collaborative Personalized Top-k Processing

Rachid Guerraoui, Anne-Marie Kermarrec

This article presents P4Q, a fully decentralized gossip-based protocol to personalize query processing in social tagging systems. P4Q dynamically associates each user with social acquaintances sharing similar tagging behaviors. Queries are gossiped among s ...

Association for Computing Machinery2011

On the Information Rates of the Plenoptic Function

Martin Vetterli, Minh Do

The plenoptic function describes the visual information available to an observer at any point in space and time. Samples of the plenoptic function (POF) are seen in video and in general visual content (images, mosaics, panoramic scenes, etc.), and rep- res ...

Institute of Electrical and Electronics Engineers2010

6th Sense - Toward a Generic Framework for End-to-End Adaptive Wearable Augmented Reality

Denis Gillet, Christophe Salzmann, Damien Perritaz

Augmented Reality enhances the user perception by overlaying real world information with virtual computer-generated information. The aims of the 6 th Sense pro ject are to maximize the user experience in mobile Augmented Reality and to improve the context- ...

2009

Two-handed haptic feedback in generic virtual environments

Renaud Ott

Since [years] we hear about Virtual Reality as a discipline that could potentially provide benefits to many applications. Basically, the principle of Virtual Reality consists in stimulating user senses in order to give the impression to be in another place ...

EPFL2009

Neighborhood-based Tag Prediction

Karl Aberer, Philippe Cudré-Mauroux, Sebastian Michel, Adriana Budura

We consider the problem of tag prediction in collaborative tagging systems where users share and annotate resources on the Web. We put forward HAMLET, a novel approach to automatically propagate tags along the edges of a graph which relates similar documen ...

2009

Création d'une structure d'accueil pour le site paléontologique de Courtedoux (JU)

Fanny Chariatte

Il y a 150 millions d'années le plateau de Courtedoux (Jura-Suisse) ressemblait à une vaste plage des Bahamas sur laquelle dinosaures bipèdes et quadrupèdes se côtoyaient. Le sable y était fin, la mer chaude et le climat tropical. Grâce à la réunion de ces ...

2009

Advances in top-down and bottom-up approaches to video-based camera tracking

David Marimon Sanjuan

Video-based camera tracking consists in trailing the three dimensional pose followed by a mobile camera using video as sole input. In order to estimate the pose of a camera with respect to a real scene, one or more three dimensional references are needed. ...

EPFL2007