3 Search Results for "North, Chris"

Document
DOI: 10.4230/LIPIcs.ITC.2022.5
From Privacy-Only to Simulatable OT: Black-Box, Round-Optimal, Information-Theoretic

Authors: Varun Madathil, Chris Orsini, Alessandra Scafuro, and Daniele Venturi

Published in: LIPIcs, Volume 230, 3rd Conference on Information-Theoretic Cryptography (ITC 2022)

Abstract
We present an information-theoretic transformation from any 2-round OT protocol with only game-based security in the presence of malicious adversaries into a 4-round (which is known to be optimal) OT protocol with simulation-based security in the presence of malicious adversaries. Our transform is the first satisfying all of the following properties at the same time: - It is in the plain model, without requiring any setup assumption. - It only makes black-box usage of the underlying OT protocol. - It is information-theoretic, as it does not require any further cryptographic assumption (besides the existence of the underlying OT protocol). Additionally, our transform yields a cubic improvement in communication complexity over the best previously known transformation.
Cite as

Varun Madathil, Chris Orsini, Alessandra Scafuro, and Daniele Venturi. From Privacy-Only to Simulatable OT: Black-Box, Round-Optimal, Information-Theoretic. In 3rd Conference on Information-Theoretic Cryptography (ITC 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 230, pp. 5:1-5:20, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{madathil_et_al:LIPIcs.ITC.2022.5,
  author =	{Madathil, Varun and Orsini, Chris and Scafuro, Alessandra and Venturi, Daniele},
  title =	{{From Privacy-Only to Simulatable OT: Black-Box, Round-Optimal, Information-Theoretic}},
  booktitle =	{3rd Conference on Information-Theoretic Cryptography (ITC 2022)},
  pages =	{5:1--5:20},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-238-9},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{230},
  editor =	{Dachman-Soled, Dana},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.ITC.2022.5},
  URN =		{urn:nbn:de:0030-drops-164836},
  doi =		{10.4230/LIPIcs.ITC.2022.5},
  annote =	{Keywords: Oblivious Transfer, Black-Box compiler, Malicious Security, Plain Model}
}
Document
DOI: 10.4230/DagSemProc.07221.1
07221 Abstracts Collection – Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation

Authors: Andreas Kerren, John T. Stasko, Jean-Daniel Fekete, and Chris North

Published in: Dagstuhl Seminar Proceedings, Volume 7221, Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation (2007)

Abstract
From 28.05.07 to 01.06.07, the Dagstuhl Seminar 07221 ``Information Visualization – Human-Centered Issues in Visual Representation, Interaction, and Evaluation'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Andreas Kerren, John T. Stasko, Jean-Daniel Fekete, and Chris North. 07221 Abstracts Collection – Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation. In Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation. Dagstuhl Seminar Proceedings, Volume 7221, pp. 1-14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{kerren_et_al:DagSemProc.07221.1,
  author =	{Kerren, Andreas and Stasko, John T. and Fekete, Jean-Daniel and North, Chris},
  title =	{{07221 Abstracts Collection – Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation}},
  booktitle =	{Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation},
  pages =	{1--14},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7221},
  editor =	{Jean-Daniel Fekete and Andreas Kerren and Chris North and John T. Stasko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.07221.1},
  URN =		{urn:nbn:de:0030-drops-11367},
  doi =		{10.4230/DagSemProc.07221.1},
  annote =	{Keywords: Information Visualization, Visualization, Human-centered Aspects, Evaluation, Visual Analytics, Interaction, Exploration, Human-Computer Interaction}
}
Document
DOI: 10.4230/DagSemProc.07221.2
07221 Executive Summary - Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation

Authors: Andreas Kerren, John T. Stasko, Jean-Daniel Fekete, and Chris North

Published in: Dagstuhl Seminar Proceedings, Volume 7221, Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation (2007)

Abstract
Information Visualization (InfoVis) focuses on the use of visualization techniques to help people understand and analyze data. While related fields such as Scientific Visualization involve the presentation of data that has some physical or geometric correspondence, Information Visualization centers on abstract information without such correspondences. One important aim of this seminar was to bring together theoreticians and practitioners from Information Visualization and related fields as well as from application areas. The seminar has allowed a critical reflection on actual research efforts, the state of field, evaluation challenges, etc. This document summarizes the event.
Cite as

Andreas Kerren, John T. Stasko, Jean-Daniel Fekete, and Chris North. 07221 Executive Summary - Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation. In Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation. Dagstuhl Seminar Proceedings, Volume 7221, pp. 1-5, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{kerren_et_al:DagSemProc.07221.2,
  author =	{Kerren, Andreas and Stasko, John T. and Fekete, Jean-Daniel and North, Chris},
  title =	{{07221 Executive Summary - Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation}},
  booktitle =	{Information Visualization - Human-Centered Issues in Visual Representation, Interaction, and Evaluation},
  pages =	{1--5},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7221},
  editor =	{Jean-Daniel Fekete and Andreas Kerren and Chris North and John T. Stasko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagSemProc.07221.2},
  URN =		{urn:nbn:de:0030-drops-11356},
  doi =		{10.4230/DagSemProc.07221.2},
  annote =	{Keywords: Information Visualization, Visualization, Human-centered Aspects, Evaluation, Visual Analytics, Interaction, Exploration, Human-Computer Interaction}
}
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