Sciweavers

958 search results - page 92 / 192
» Resolving the Micropayment Problem
Sort
View
108
Voted
ICML
2007
IEEE
16 years 1 months ago
Learning nonparametric kernel matrices from pairwise constraints
Many kernel learning methods have to assume parametric forms for the target kernel functions, which significantly limits the capability of kernels in fitting diverse patterns. Som...
Steven C. H. Hoi, Rong Jin, Michael R. Lyu
210
Voted
CP
2009
Springer
16 years 1 months ago
Constraints of Difference and Equality: A Complete Taxonomic Characterisation
Abstract. Many combinatorial problems encountered in practice involve constraints that require that a set of variables take distinct or equal values. The AllDifferent constraint, i...
Emmanuel Hebrard, Dániel Marx, Barry O'Sull...
112
Voted
ICALP
2009
Springer
16 years 1 months ago
Revisiting the Direct Sum Theorem and Space Lower Bounds in Random Order Streams
Estimating frequency moments and Lp distances are well studied problems in the adversarial data stream model and tight space bounds are known for these two problems. There has been...
Sudipto Guha, Zhiyi Huang
111
Voted
MOBIHOC
2002
ACM
16 years 12 days ago
Performance evaluation of a fair backoff algorithm for IEEE 802.11 DFWMAC
Due to hidden terminals and a dynamic topology, contention among stations in an ad-hoc network is not homogeneous. Some stations are at a disadvantage in opportunity of access to ...
Zuyuan Fang, Brahim Bensaou, Yu Wang
COMPGEOM
2009
ACM
15 years 7 months ago
Computing hereditary convex structures
Color red and blue the n vertices of a convex polytope P in R3 . Can we compute the convex hull of each color class in o(n log n)? What if we have χ > 2 colors? What if the co...
Bernard Chazelle, Wolfgang Mulzer