While interacting online, one generates a multitude of personal data trails, both textual and behavioral. The data portrait is a way to collect, condense and represent these information trails, which are often time consuming ...

This thesis presents a Differential Binary Phase Shift Key (DBPSK) source separation system implemented with the GNU Software Defined Radio (SDR) platform and interfaced with the existing MIT community Radio Frequency ...

The loss of a limb is extremely debilitating. Unfortunately, today's assistive technologies are still far from providing fully functional artificial limb replacements. Although lower extremity prostheses are currently ...

Tangible representations of virtual content allow for sensory-rich interactions with computers through real-world objects. However, these objects are commonly static handles, with limited capabilities to present changing ...

We have long assumed that being face to face is the best environment for social interaction. But is "being there" the best we can aspire to? One common approach to improving face-to-face contexts is to add new communication ...

This work describes a framework for the design and study of an online community of amateur creators. I focus on remixing as the lens to understand the contexts and processes of creative expression as it is fostered within ...

Information markets benefit the communities they serve by facilitating electronic distributed exchange of information. Further benefits include enhancing knowledge sharing, innovation, and productivity. This research ...