Sciweavers

5799 search results - page 643 / 1160
» Position Paper
Sort
View
NLE
2011
14 years 9 months ago
Modeling reciprocity in social interactions with probabilistic latent space models
Reciprocity is a pervasive concept that plays an important role in governing people’s behavior, judgments, and thus their social interactions. In this paper we present an analys...
Roxana Girju, Michael J. Paul
SIAMIS
2011
14 years 9 months ago
On the Illumination Invariance of the Level Lines under Directed Light: Application to Change Detection
We analyze the illumination invariance of the level lines of an image. We show that if the scene surface has Lambertian reflectance and the light is directed, then a necessary and...
Pierre Weiss, Alexandre Fournier, Laure Blanc-F&ea...
SIGECOM
2011
ACM
170views ECommerce» more  SIGECOM 2011»
14 years 9 months ago
Only valuable experts can be valued
Suppose a principal Alice wishes to reduce her uncertainty regarding some future payoff. Consider a self-proclaimed expert Bob that may either be an informed expert knowing an ex...
Moshe Babaioff, Liad Blumrosen, Nicolas S. Lambert...
CCS
2011
ACM
14 years 7 months ago
Privacy and accountability for location-based aggregate statistics
A significant and growing class of location-based mobile applications aggregate position data from individual devices at a server and compute aggregate statistics over these posi...
Raluca A. Popa, Andrew J. Blumberg, Hari Balakrish...
IACR
2011
134views more  IACR 2011»
14 years 6 months ago
Concise Vector Commitments and their Applications to Zero-Knowledge Elementary Databases
Zero knowledge sets (ZKS) [18] allow a party to commit to a secret set S and then to, non interactively, produce proofs for statements such as x ∈ S or x /∈ S. As recognized in...
Dario Catalano, Dario Fiore