6455 search results - page 77 / 1291 » Research problems |
DM
2006
15 years 2 months ago
2006
A prototype of zero-sum theorems, the well-known theorem of Erdos, Ginzburg and Ziv says that for any positive integer n, any sequence a1, a2, . . . , a2n-1 of 2n-1 integers has a...
138
click to vote
ASIACRYPT
2001
Springer
15 years 6 months ago
2001
Springer
A Zero-knowledge protocol provides provably secure entity authentication based on a hard computational problem. Among many schemes proposed since 1984, the most practical rely on f...
133
click to vote
CPAIOR
2010
Springer
15 years 7 months ago
2010
Springer
Abstract. We investigate mathematical formulations and solution techniques for a variant of the Connected Subgraph Problem. Given a connected graph with costs and profits associat...
107
click to vote
EDM
2009
15 years 10 days ago
2009
Researchers who make tutoring systems would like to know which sequences of educational content lead to the most effective learning by their students. The majority of data collecte...
114
Voted
IJCAI
1993
15 years 3 months ago
1993
We introduce and use a new methodology for the study of logics for action and change. The methodology allows one to define a taxonomy of reasoning problems, based in particular on...