Sciweavers

490 search results - page 30 / 98
» Impossibilities for roommate problems
Sort
View
SIGECOM
2005
ACM
122views ECommerce» more  SIGECOM 2005»
14 years 2 months ago
Multi-unit auctions with budget-constrained bidders
We study a multi-unit auction with multiple bidders, each of whom has a private valuation and a budget. The truthful mechanisms of such an auction are characterized, in the sense ...
Christian Borgs, Jennifer T. Chayes, Nicole Immorl...
ASIACRYPT
2005
Springer
14 years 2 months ago
Discrete-Log-Based Signatures May Not Be Equivalent to Discrete Log
Abstract We provide evidence that the unforgeability of several discrete-log based signatures like Schnorr signatures cannot be equivalent to the discrete log problem in the standa...
Pascal Paillier, Damien Vergnaud
ER
2005
Springer
140views Database» more  ER 2005»
14 years 2 months ago
Schema Integration Based on Uncertain Semantic Mappings
Abstract. Schema integration is the activity of providing a unified representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the...
Matteo Magnani, Nikos Rizopoulos, Peter McBrien, D...
ISAAC
2004
Springer
100views Algorithms» more  ISAAC 2004»
14 years 2 months ago
Boundary-Optimal Triangulation Flooding
Given a planar triangulation all of whose faces are initially white, we study the problem of colouring the faces black one by one so that the boundary between black and white faces...
Richard J. Nowakowski, Norbert Zeh
TEX
2004
Springer
283views Latex» more  TEX 2004»
14 years 2 months ago
Creating Type 1 Fonts from METAFONT Sources
This paper summarizes experiences in converting METAFONT fonts to PostScript fonts with TEXtrace and mftrace, based on programs of autotracing bitmaps (AutoTrace and potrace), and...
Karel Píska