Big Data has begun to create significant impacts in urban and transport planning. This paper
covers the explosion in data-driven research on cycling, most of which has occurred in the …

The evolution of smartphones together with increasing computational power has
empowered developers to create innovative context-aware applications for recognizing user …

Little research exists on one of the most common, oldest, and most utilized forms of online
social geographic information: the'location'field found in most virtual community user …

An important public discussion is underway on the values and ethics of digital technologies
as designers work to prevent misinformation campaigns, online harassment, exclusionary …

This paper addresses the challenge of truth discovery from noisy social sensing data. The
work is motivated by the emergence of social sensing as a data collection paradigm of …

Location-aware smartphones support various location-based services (LBSs): users query
the LBS server and learn on the fly about their surroundings. However, such queries give …

With the popular usage of mobile devices and smartphones, crowd sensing becomes
pervasive in real life when human acts as sensors to report their observations about entities …

Increasingly, human beings are sensors engaging directly with the mobile Internet.
Individuals can now share real-time experiences at an unprecedented scale. Social …

The rapid adoption of mobile devices that are able to capture and transmit a wide variety of
sensing modalities (media and location) has enabled a new data collection paradigm …

Crowd-sourcing social computing systems represent a new material for HCI designers.
However, these systems are difficult to work with and to prototype, because they require a …