This report provides a detailed sustainability plan for the pan-European SoBigData Research Infrastructure. The purpose of this document is to describe sustainability activities, actions and events that have been undertaken in order to provide some guidelines about SoBi...

For current High Performance Computing systems to scale towards the holy grail of ExaFLOP performance, their power consumption has to be reduced by at least one order of magnitude. This goal can be achieved only through a combination of hardware and software advances. B...

Searching for similar objects in a collection is a core task of many applications in databases, pattern recognition, and information retrieval. As there exist similarity-preserving hash functions like SimHash, indexing these objects reduces to the solution of the Approx...

New digital technologies generate large amounts of information. This data is processed by Service Providers in order to improve and develop new services or products, but also to fund themselves. However, processing these personal data can result in the extraction of sen...

International audience; We demonstrate GeoTopics, a system to explore geographical patterns of urban activity. The system collects publicly shared check-ins generated by Foursquare users, that reveal who spends time where, when, and on what type of activity. It then emp...

Recently a simple military exercise on the Internet was perceived as the beginning of a new civil war in the US. Social media aggregate people around common interests eliciting a collective framing of narratives and worldviews. However, the wide availability of user-pro...

Ending poverty in all its forms everywhere is the number one Sustainable Development Goal of the UN 2030 Agenda. To monitor the progress towards such an ambitious target, reliable, up-to-date and fine-grained measurements of socioeconomic indicators are necessary. When ...

Everyday, ideas, information as well as viruses spread over complex social tissues described by our interpersonal relations. So far, the network contexts upon which diffusive phenomena unfold have usually been considered static, composed by a fixed set of nodes and edge...

Origin-destination (OD) movement data describe moves or trips between spatial locations by specifying the origins, destinations, start, and end times, but not the routes travelled. For studying the spatio-temporal patterns and trends of mass mobility, individual OD move...

Network theory proved recently to be useful in the quantification of many properties of financial systems. The analysis of the structure of investment portfolios is a major application since their eventual correlation and overlap impact the actual risk by individual inv...