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MOBICOM
2009
ACM
14 years 2 months ago
Interference management via rate splitting and HARQ over time-varying fading channels
The coexistence of two unlicensed links is considered, where one link interferes with the transmission of the other, over a timevarying, block-fading channel. In the absence of fa...
Marco Levorato, Osvaldo Simeone, Urbashi Mitra
MOBILITY
2009
ACM
14 years 2 months ago
UbiPay: minimizing transaction costs with smart mobile payments
Implementing an electronic payment system involves striking a balance between usability and security. Systems that allow payments to be completed with little effort on the part of...
Vili Lehdonvirta, Hayuru Soma, Hitoshi Ito, Tetsuo...
RECSYS
2009
ACM
14 years 2 months ago
Rate it again: increasing recommendation accuracy by user re-rating
A common approach to designing Recommender Systems (RS) consists of asking users to explicitly rate items in order to collect feedback about their preferences. However, users have...
Xavier Amatriain, Josep M. Pujol, Nava Tintarev, N...
SYSTOR
2009
ACM
14 years 2 months ago
DHIS: discriminating hierarchical storage
A typical storage hierarchy comprises of components with varying performance and cost characteristics, providing multiple options for data placement. We propose and evaluate a hie...
Chaitanya Yalamanchili, Kiron Vijayasankar, Erez Z...
UIST
2009
ACM
14 years 2 months ago
Bonfire: a nomadic system for hybrid laptop-tabletop interaction
We present Bonfire, a self-contained mobile computing system that uses two laptop-mounted laser micro-projectors to project an interactive display space to either side of a laptop...
Shaun K. Kane, Daniel Avrahami, Jacob O. Wobbrock,...