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» Preference and Non-deterministic Choice
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DIM
2008
ACM
14 years 11 months ago
Quantifying the security of preference-based authentication
We describe a technique aimed at addressing longstanding problems for password reset: security and cost. In our approach, users are authenticated using their preferences. Experime...
Markus Jakobsson, Liu Yang, Susanne Wetzel
BCSHCI
2007
14 years 11 months ago
"The devil you know knows best": how online recommendations can benefit from social networking
The defining characteristic of the Internet today is an abundance of information and choice. Recommender Systems (RS), designed to alleviate this problem, have so far not been ver...
Philip Bonhard, Martina Angela Sasse, Clare Harrie...
99
Voted
DAGSTUHL
2007
14 years 11 months ago
A Deeper Investigation of PageRank as a Function of the Damping Factor
PageRank is defined as the stationary state of a Markov chain. The chain is obtained by perturbing the transition matrix induced by a web graph with a damping factor α that spre...
Paolo Boldi, Massimo Santini, Sebastiano Vigna
76
Voted
IJCAI
2007
14 years 11 months ago
A Game-Theoretic Analysis of Strictly Competitive Multiagent Scenarios
This paper is a comparative study of game-theoretic solution concepts in strictly competitive multiagent scenarios, as commonly encountered in the context of parlor games, competi...
Felix Brandt, Felix A. Fischer, Paul Harrenstein, ...
83
Voted
IJCAI
2007
14 years 11 months ago
Hybrid Elections Broaden Complexity-Theoretic Resistance to Control
Electoral control refers to attempts by an election’s organizer (“the chair”) to influence the outcome by adding/deleting/partitioning voters or candidates. The groundbreak...
Edith Hemaspaandra, Lane A. Hemaspaandra, Jör...