Publications by Radu Andrei Negoescu

Modeling and Understanding Communities in Online Social Media using Probabilistic Methods

The amount of multimedia content is on a constant increase, and people interact with each other and with content on a daily basis through social media systems. The goal of this thesis was to model and understand emerging online communities that revolve aro ...

EPFL2011

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We present in this chapter a review of current work that leverages on large online social networks' meta-information, in particular Flickr Groups. We briefly present this hugely successful feature in Flickr and discuss the various ways in which metadata st ...

Bentham Science Publishers2011

Modeling and Understanding Flickr Communities through Topic-based Analysis

Daniel Gatica-Perez, Radu Andrei Negoescu

With the increased presence of digital imaging devices there also came an explosion in the amount of multimedia content available online. Users have transformed from passive consumers of media into content creators and have started organizing themselves in ...

2010

Kodak Moments and Flickr Diamonds: How Users Shape Large-scale Media

Daniel Gatica-Perez, Radu Andrei Negoescu

In today's age of digital multimedia deluge, a clear understanding of the dynamics of online communities is capital. Users have abandoned their role of passive consumers and are now the driving force behind large-scale media repositories, whose dynamics an ...

Idiap2010

Flickr Hypergroups

Daniel Gatica-Perez, Radu Andrei Negoescu

The amount of multimedia content available online constantly increases, and this leads to problems for users who search for content or similar communities. Users in Flickr often self-organize in user communities through Flickr Groups. These groups are part ...

2009

Flickr Hypergroups

Daniel Gatica-Perez, Radu Andrei Negoescu

The amount of multimedia content available online constantly increases, and this leads to problems for users who search for content or similar communities. Users in Flickr often self-organize in user communities through Flickr Groups. These groups are pa ...

Idiap2009

Topickr: Flickr Groups and Users Reloaded

Daniel Gatica-Perez, Radu Andrei Negoescu

With the increased presence of digital imaging devices there also came an explosion in the amount of multimedia content available online. Users have transformed from passive consumers of media into content creators. Flickr.com is such an example of an onli ...

ACM2008

Topickr: Flickr Groups and Users Reloaded

Daniel Gatica-Perez, Radu Andrei Negoescu

With the increased presence of digital imaging devices there also came an explosion in the amount of multimedia content available online. Users have transformed from passive consumers of media into content creators. Flickr.com is such an example of an onli ...

IDIAP2008

Analyzing Flickr Groups

Daniel Gatica-Perez, Radu Andrei Negoescu

There is an explosion of community-generated multimedia content available online. In particular, Flickr constitutes a 200-million photo sharing system where users participate following a variety of social motivations and themes. Flickr groups are increasin ...

ACM2008

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There is an explosion of community-generated multimedia content available online. In particular, Flickr constitutes a 200-million photo sharing system where users participate following a variety of social motivations and themes. Flickr groups are increasin ...

IDIAP2008

Radu Andrei Negoescu

Graph Chatbot

Chat with Graph Search

Modeling and Understanding Communities in Online Social Media using Probabilistic Methods

Modeling and Understanding Flickr Communities through Topic-based Analysis

Kodak Moments and Flickr Diamonds: How Users Shape Large-scale Media

Flickr Hypergroups

Flickr Hypergroups

Topickr: Flickr Groups and Users Reloaded

Topickr: Flickr Groups and Users Reloaded

Analyzing Flickr Groups

Modeling and Understanding Communities in Online Social Media using Probabilistic Methods

Flickr Hypergroups

Modeling and Understanding Flickr Communities through Topic-based Analysis

Kodak Moments and Flickr Diamonds: How Users Shape Large-scale Media

Topickr: Flickr Groups and Users Reloaded

Flickr Hypergroups

Topickr: Flickr Groups and Users Reloaded

Analyzing Flickr Groups