Sebastian Angel

Raj and Neera Singh Term Assistant Professor

Department of Computer and Information Science

University of Pennsylvania

Levine Hall, Office 604

3330 Walnut Street

Philadelphia, PA 19104

Publications

Incremental Offline/Online PIR

Yiping Ma, Ke Zhong, Tal Rabin, and Sebastian Angel

USENIX Security 2022 (to appear), Boston, MA, August 2022.

Packet scheduling with optional client privacy

Andrew Beams, Sampath Kannan, and Sebastian Angel

CCS 2021, Virtual Conference, November 2021. [abstract, paper, code]

Mycelium: Large-Scale Distributed Graph Queries with Differential Privacy

Edo Roth, Karan Newatia, Yiping Ma, Ke Zhong, Sebastian Angel, and Andreas Haeberlen

SOSP 2021, Virtual Conference, October 2021. [abstract, paper, code]

Bringing Decentralized Search to Decentralized Services

Mingyu Li, Jinhao Zhu, Tianxu Zhang, Cheng Tan, Yubin Xia, Sebastian Angel, and Haibo Chen

OSDI 2021, Virtual Conference, July 2021. [abstract, paper]

Fault-tolerant and transactional stateful serverless workflows

Haoran Zhang, Adney Cardoza, Peter Baile Chen, Sebastian Angel, Vincent Liu

OSDI 2020, Banff, Canada, November 2020. [abstract, paper, extended report, code]

Understanding the Effect of Data Center Resource Disaggregation on Production DBMSs

Qizhen Zhang, Yifan Cai, Xinyi Chen, Sebastian Angel, Ang Chen, Vincent Liu, and Boon Thau Loo

VLDB 2020, Tokyo, Japan, August 2020. [abstract, paper]

Verifiable state machines: Proofs that untrusted services operate correctly

Srinath Setty, Sebastian Angel, and Jonathan Lee

ACM SIGOPS OSR, Volume 54, Issue 1, July 2020. [abstract, paper]

Disaggregation and the Application

Sebastian Angel, Mihir Nanavati, and Siddhartha Sen

HotCloud 2020, Boston, MA, July 2020. [abstract, paper, slides]

A filesystem for safely interacting with untrusted USB flash drives

Ke Zhong, Zhihao Jiang, Ke Ma, and Sebastian Angel

HotStorage 2020, Boston, MA, July 2020. [abstract, paper]

Private resource allocators and their applications

Sebastian Angel, Sampath Kannan, and Zachary Ratliff

S&P 2020 (Oakland), San Francisco, CA, May 2020. [abstract, paper, slides, code]

Rethinking data management systems for disaggregated data centers

Qizhen Zhang, Yifan Cai, Sebastian Angel, Ang Chen, Vincent Liu, and Boon Thau Loo

CIDR 2020, Amsterdam, Netherlands, January 2020. [abstract, paper]

Deferred Runtime Pipelining for contentious multicore software transactions

Shuai Mu, Sebastian Angel, and Dennis Shasha

EuroSys 2019, Dresden, Germany, March 2019. [abstract, paper, extended report, slides]

Proving the correct execution of concurrent services in zero-knowledge

Srinath Setty, Sebastian Angel, Trinabh Gupta, and Jonathan Lee

OSDI 2018, Carlsbad, CA, October 2018. [abstract, paper, extended report]

What's a little leakage between friends?

Sebastian Angel, David Lazar, and Ioanna Tzialla

WPES 2018, Toronto, Canada, October 2018. [abstract, paper, slides]

Unobservable communication over untrusted infrastructure

Sebastian Angel

Ph.D. Dissertation, The University of Texas at Austin, August 2018. [abstract, dissertation]

ACM SIGOPS Dennis M. Ritchie Doctoral Dissertation Award

Bert Kay Best Dissertation Award in Computer Science

PIR with compressed queries and amortized query processing

Sebastian Angel, Hao Chen, Kim Laine, and Srinath Setty

S&P 2018 (Oakland), San Francisco, CA, May 2018. [abstract, paper, slides, code]

Unobservable communication over fully untrusted infrastructure

Sebastian Angel and Srinath Setty

OSDI 2016, Savannah, GA, November 2016. [abstract, paper, extended report, slides, code]

Defending against malicious peripherals with Cinch

Sebastian Angel, Riad S. Wahby, Max Howald, Joshua B. Leners,
Michael Spilo, Zhen Sun, Andrew J. Blumberg, and Michael Walfish

USENIX Security 2016, Austin, TX, August 2016. [abstract, paper, slides, code]

End-to-end Performance Isolation through Virtual Datacenters

Sebastian Angel, Hitesh Ballani, Thomas Karagiannis, Greg O'Shea, and Eno Thereska

OSDI 2014, Broomfield, CO, October 2014. [abstract, paper, slides, code]

K-mulus: strategies for BLAST in the cloud

Christopher Hill, Carl Albach, Sebastian Angel, and Mihai Pop

PPAM 2013, Warsaw, Poland, September 2013. [abstract, paper, code]

Verifiable auctions for online ad exchanges

Sebastian Angel and Michael Walfish

SIGCOMM 2013, Hong Kong, China, August 2013. [abstract, paper, slides, code]

Prognostically relevant gene signatures of high-grade serous ovarian carcinoma

Verhaak et al.

Journal of Clinical Investigation, Volume 123, Issue 1, January 2013. [abstract, paper]