Publications related to Online community

DISTINGUISHING “CROWDED” ORGANIZATIONS FROM GROUPS AND COMMUNITIES: IS THREE A CROWD?

In conventional wisdom on crowdsourcing, the number of people define the crowd and maximizing this number is often assumed to be the goal of any crowdsourcing exercise. However, we propose that there are structural characteristics of the crowd that might b ...

SSRN2015

D2P: Distance-Based Differential Privacy in Recommenders

Rachid Guerraoui, Anne-Marie Kermarrec, Mahsa Taziki, Rhicheek Patra

The upsurge in the number of web users over the last two decades has resulted in a significant growth of online information. This information growth calls for recommenders that personalize the in- formation proposed to each individual user. Nevertheless, p ...

Assoc Computing Machinery2015

Predicting Online Performance of News Recommender Systems Through Richer Evaluation Metrics

Boi Faltings, Florent Frédéric Garcin, Andrii Maksai

We investigate how metrics that can be measured offline can be used to predict the online performance of recommender systems, thus avoiding costly A-B testing. In addition to accuracy metrics, we combine diversity, coverage, and serendipity metrics to crea ...

2015

Broadcasting oneself: Visual Discovery of Vlogging Styles

Daniel Gatica-Perez, Oya Aran, Joan Isaac Biel Tres

We present a data-driven approach to discover different styles that people use to present themselves in online video blogging (vlogging). By vlogging style, we denote the combination of conscious and unconscious choices that the vlogger made during the pro ...

2014

User Profiling Using Submitted Review Content

Boi Faltings, Claudiu-Cristian Musat, Yizhong Liang

A computer-implemented method for generating a user profile of a user of an online platform, a computer-implemented method for providing a first user with targeted information and a computer-implemented method for providing a user of an online platform wit ...

2014

Mining Crowdsourced First Impressions in Online Social Video

Daniel Gatica-Perez, Joan Isaac Biel Tres

While multimedia and social computing research have used crowdsourcing techniques to annotate objects, actions, and scenes in social video sites like YouTube, little work has ad- dressed the crowdsourcing of personal and social traits in online social vide ...

2014

Intraspecific trait variability mediates the response of subalpine grassland communities to extreme drought events

Vincent Jung, Thomas Spiegelberger

Climate change is expected to increase the magnitude and the frequency of extreme climatic events such as droughts. Better understanding how plant communities will respond to these droughts is a major challenge. We expect the response to be a shift in func ...

Wiley-Blackwell2014

Matrix Completion on Graphs

Pierre Vandergheynst, Michael Bronstein, Xavier Bresson, Vasilis Kalofolias

The problem of finding the missing values of a matrix given a few of its entries, called matrix completion, has gathered a lot of attention in the recent years. Al- though the problem under the standard low rank assumption is NP-hard, Cande`s and Recht sho ...

2014

Participatory Processes in Urban Planning Projects in China: The Example of Caoyang Village, Shanghai

Jean-Claude Bolay, Abigaïl-Laure Sarah Irène Kern

In order to provide the first elements of a participatory process initiated and led by Chinese authorities, this paper will look at the citizen’s involvement in an urban planning project in China and discuss possible avenues to sustain the process in a spe ...

Springer2014

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Online community

DISTINGUISHING “CROWDED” ORGANIZATIONS FROM GROUPS AND COMMUNITIES: IS THREE A CROWD?

D2P: Distance-Based Differential Privacy in Recommenders

Predicting Online Performance of News Recommender Systems Through Richer Evaluation Metrics

Representing the Digital Humanities Community: Unveiling The Social Network Visualization of an International Conference

Broadcasting oneself: Visual Discovery of Vlogging Styles

User Profiling Using Submitted Review Content

Mining Crowdsourced First Impressions in Online Social Video

Intraspecific trait variability mediates the response of subalpine grassland communities to extreme drought events

Matrix Completion on Graphs

Participatory Processes in Urban Planning Projects in China: The Example of Caoyang Village, Shanghai

Graph Chatbot

Chat with Graph Search

DISTINGUISHING “CROWDED” ORGANIZATIONS FROM GROUPS AND COMMUNITIES: IS THREE A CROWD?

Representing the Digital Humanities Community: Unveiling The Social Network Visualization of an International Conference

Participatory Processes in Urban Planning Projects in China: The Example of Caoyang Village, Shanghai

Intraspecific trait variability mediates the response of subalpine grassland communities to extreme drought events

D2P: Distance-Based Differential Privacy in Recommenders

Predicting Online Performance of News Recommender Systems Through Richer Evaluation Metrics

Broadcasting oneself: Visual Discovery of Vlogging Styles

User Profiling Using Submitted Review Content

Mining Crowdsourced First Impressions in Online Social Video

Matrix Completion on Graphs