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Denis X. Charles
Researcher at Microsoft
Publications - 81
Citations - 2278
Denis X. Charles is an academic researcher from Microsoft. The author has contributed to research in topics: Digital signature & Elliptic curve. The author has an hindex of 20, co-authored 77 publications receiving 2030 citations. Previous affiliations of Denis X. Charles include University of Wisconsin-Madison & McGill University.
Papers
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Journal Article
Counterfactual reasoning and learning systems: the example of computational advertising
Léon Bottou,Jonas Peters,Joaquin Quiñonero-Candela,Denis X. Charles,D. Max Chickering,Elon Portugaly,Dipankar Ray,Patrice Y. Simard,Ed Snelson +8 more
TL;DR: This work shows how to leverage causal inference to understand the behavior of complex learning systems interacting with their environment and predict the consequences of changes to the system and allow both humans and algorithms to select the changes that would have improved the system performance.
Journal ArticleDOI
Cryptographic Hash Functions from Expander Graphs
TL;DR: In this paper, a hash function is constructed from one of Pizers Ramanujan graphs, (the set of supersingular elliptic curves over with l-isogenies, l a prime different from p).
Proceedings ArticleDOI
Signatures for Network Coding
TL;DR: This paper presents a practical digital signature scheme to be used in conjunction with network coding that simultaneously provides authentication and detects malicious nodes that intentionally corrupt content on the network.
Journal ArticleDOI
Counterfactual Reasoning and Learning Systems
Léon Bottou,Jonas Peters,Joaquin Quiñonero-Candela,Denis X. Charles,D. Max Chickering,Elon Portugaly,Dipankar Ray,Patrice Y. Simard,Ed Snelson +8 more
TL;DR: In this article, the authors leverage causal inference to understand the behavior of complex learning systems interacting with their environment and predict the consequences of changes to the system, allowing both humans and algorithms to select the changes that would have improved the system performance.
Proceedings ArticleDOI
Structured labeling for facilitating concept evolution in machine learning
TL;DR: This paper introduces the notion of concept evolution, the changing nature of a person's underlying concept which can result in inconsistent labels and thus be detrimental to machine learning, and introduces two structured labeling solutions.