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Ivan Beschastnikh
Researcher at University of British Columbia
Publications - 100
Citations - 3139
Ivan Beschastnikh is an academic researcher from University of British Columbia. The author has contributed to research in topics: Computer science & Debugging. The author has an hindex of 27, co-authored 87 publications receiving 2488 citations. Previous affiliations of Ivan Beschastnikh include University of Washington & Microsoft.
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Mitigating Sybils in Federated Learning Poisoning.
TL;DR: FoolsGold is described, a novel defense to this problem that identifies poisoning sybils based on the diversity of client updates in the distributed learning process that exceeds the capabilities of existing state of the art approaches to countering sybil-based label-flipping and backdoor poisoning attacks.
Proceedings ArticleDOI
Leveraging existing instrumentation to automatically infer invariant-constrained models
TL;DR: It is formally prove that Synoptic always produces a model that satisfies exactly the temporal invariants mined from the log, and it is argued that it does so efficiently.
Proceedings ArticleDOI
Inferring models of concurrent systems from logs of their behavior with CSight
TL;DR: Algorithms for inferring CFSM models from traces of concurrent systems, proves them correct, provides an implementation, and evaluates the implementation in two ways: by running it on logs from three different networked systems and via a user study that focused on bug finding.
Proceedings ArticleDOI
Articulations of wikiwork: uncovering valued work in wikipedia through barnstars
TL;DR: A content analysis of Wikipedia barnstars reveals a wide range of valued work extending far beyond simple editing to include social support, administrative actions, and types of articulation work.
Proceedings ArticleDOI
Seattle: a platform for educational cloud computing
TL;DR: A free, educational research platform called Seattle that is community-driven, a common denominator for diverse platform types, and is broadly deployed, which is invited to the computer science education community to employ Seattle in their courses.