John Schultz
Johns Hopkins University
13 Papers
231 Citations
John Schultz is an academic researcher from Johns Hopkins University. The author has contributed to research in topics: Web crawler & Overlay network. The author has an hindex of 11, co-authored 13 publications.
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Papers
Secure group communication using robust contributory key agreement
TL;DR: This work presents the first robust contributory key agreement protocol resilient to any sequence of group changes, and proves that it provides both virtual synchrony and the security properties of Group Diffie-Hellman, in the presence of any sequences of node failures, recoveries, network partitions, and heals.
Patent
Dynamic-content web crawling through traffic monitoring
Jacob William Green,John Schultz +1 more
- 14 Dec 2001
TL;DR: In this paper, a dynamic-content web crawler is disclosed, which monitors content from web traffic by proxying the web traffic or sniffing the traffic as it goes by, and identifies substantive content sub-components which repeatably are part of a page pointed to by a URL.
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Secure group communication in asynchronous networks with failures: integration and experiments
Yair Amir,Giuseppe Ateniese,D. Hasse,Yongdae Kim,Cristina Nita-Rotaru,T. Schlossnagle,John Schultz,Jonathan Stanton,Gene Tsudik +8 more
- 10 Apr 2000
TL;DR: This work leverages the strong properties provided by the Spread group communication system, such as message ordering, clean failure semantics and a membership service to create a secure group communications layer and an API that provide the application programmer with both standard group communication services and flexible security services.
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Patent
Relevant search rankings using high refresh-rate distributed crawling
Jacob William Green,John Schultz,Yair Amir,Michael T. Goodrich +3 more
- 08 May 2001
TL;DR: In this paper, a system for maximal gathering of fresh information added to a network such as the as the Internet and for processing the gathered fresh information is presented. But the crawlers are used to filter the data and only return or notify regarding, the fresh content.
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Deploying Intrusion-Tolerant SCADA for the Power Grid
Amy Babay,John Schultz,Thomas Tantillo,Samuel Beckley,Eamon Hirata Jordan,Kevin Ruddell,Kevin Barry Jordan,Yair Amir +7 more
- 01 Jun 2019
TL;DR: This work describes the experience and lessons learned in deploying an intrusion-tolerant SCADA system in two realistic environments: a red team experiment in 2017 and a power plant test deployment in 2018, and discusses some meta-lessons regarding the cultural aspects of transitioning academic research into practice in the power industry.
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