conferences and workshops
Muhammad Faisal, Jerry Zhang, John Liagouris, Vasiliki Kalavri, Mayank Varia. TVA: A multi-party computation system for secure and expressive time series analytics. Usenix Security, 2023. (paper, full version, code)
John Liagouris, Vasiliki Kalavri, Muhammad Faisal, Mayank Varia. Secrecy: Secure Collaborative Analytics in Untrusted Clouds. NSDI, 2023. (paper, code)
Esmail Asyabi, Yuanli Wang, John Liagouris, Vasiliki Kalavri, Azer Bestavros. A New Benchmark Harness for Systematic and Robust Evaluation of Streaming State Stores. EuroSys, 2022. (paper, code)
Vasiliki Kalavri, John Liagouris. In Support of Workload-aware Streaming State Management. HotStorage, 2020. (paper) "Outstanding New Research Direction" Award
Stephanie Wang, John Liagouris, Robert Nishihara, Philipp Moritz, Ujval Misra, Alexey Tumanov, Ion Stoica. Lineage Stash: Fault-tolerance Off the Critical Path. SOSP, 2019. (paper)
Vasiliki Kalavri, John Liagouris, Moritz Hoffmann, Desislava Dimitrova, Matthew Forshaw, Timothy Roscoe. Three steps is all you need: Fast, Accurate, Automatic Scaling Decisions for Distributed Streaming Dataflows. OSDI, 2018. (paper) DS2 made its way into Apache Flink!
Moritz Hoffmann, Andrea Lattuada, John Liagouris, Vasiliki Kalavri, Desislava Dimitrova, Sebastian Wicki, Zaheer Chothia, Timothy Roscoe. SnailTrail: Generalizing Critical Paths for Online Analysis of Distributed Dataflows. NSDI, 2018. (paper, code)
Zaheer Chothia, John Liagouris, Desislava Dimitrova, Timothy Roscoe. Online Reconstruction of Structural Information from Datacenter Logs. EuroSys, 2017. (paper, summary)
John Liagouris, Spiros Athanasiou, Alexandros Efentakis, Stefan Pfennigschmidt, Dieter Pfoser, Eleni Tsigka, Agnes Voisard. Mobile Task Computing: Beyond Location-based Services and EBooks. W2GIS, 2011. (paper)
journals
Konstantinos Theocharidis, John Liagouris, Nikos Mamoulis, Panagiotis Bouros, Manolis Terrovitis. SRX: Efficient Management of Spatial RDF Data. VLDBJ 28(5):703-733, 2019. (paper, benchmarks)
Moritz Hoffmann, Andrea Latuada, Frank McSherry, Vasiliki Kalavri, John Liagouris, Timothy Roscoe. Megaphone: Latency-conscious state migration for distributed streaming dataflows. PVLDB 12(9):1002-1015, 2019. (paper, code)
Zaheer Chothia, John Liagouris, Frank McSherry, Timothy Roscoe. Explaining Outputs in Modern Data Analytics. PVLDB 9(12):1137-1148, 2016. (paper, summary, full version)
John Liagouris, Manolis Terrovitis. Efficient Identification of Implicit Facts in Incomplete OWL2-EL Knowledge Bases. PVLDB 7(14):1993-2004, 2014. (paper, full version)
John Liagouris, Nikos Mamoulis, Panagiotis Bouros, Manolis Terrovitis. An Effective Encoding Scheme for Spatial RDF Data. PVLDB 7(12):1271-1282, 2014. (paper, full version)
Grigorios Loukides, John Liagouris, Aris Gkoulalas-Divanis, Manolis Terrovitis. Disassociation for Electronic Health Record Privacy. JBI 50:46-61, 2014. (paper)
Manolis Terrovitis, John Liagouris, Nikos Mamoulis, Spiros Skiadopoulos. Privacy Preservation by Disassociation. PVLDB 5(10):944-955, 2012. (paper)
book chapters
Grigorios Loukides, John Liagouris, Aris Gkoulalas-Divanis, Manolis Terrovitis. Utility-Constrained Electronic Health Record Data Publishing Through Generalization and Disassociation. Medical Data Privacy Handbook, pp. 149-177, Springer, 2015. (book)
demos and posters
Ethan Seow, Yan Tong, Eli Baum, Sam Buxbaum, Muhammad Faisal, John Liagouris, Vasiliki Kalavri, Mayank Varia. QueryShield: Cryptographically Secure Analytics in the Cloud. SIGMOD, 2024. (demo)
Matthew Brookes, Vasiliki Kalavri, John Liagouris. FASTER State Management for Timely Dataflow. BIRTE, 2019. (demo)
Ralf Sager, John Liagouris, Desislava Dimitrova, Andrea Lattuada, Vasiliki Kalavri, Zaheer Chothia, Moritz Hoffmann, Timothy Roscoe. SnailTrail: Online Bottleneck Detection for your Dataflow. EuroSys, 2017. (poster)
Nikos Bikakis, John Liagouris, Maria Krommyda, George Papastefanatos, Timos Sellis. graphVizdb: A Scalable Platform for Interactive Large Graph Visualization. ICDE, 2016. (demo)
Nikos Bikakis, Giorgos Giannopoulos, John Liagouris, Dimitrios Skoutas, Theodore Dalamagas, and Timos Sellis. RDivF: Diversifying Keyword Search on RDF Graphs. TPDL, 2013. (poster)
technical reports
John Liagouris, Vasiliki Kalavri, Muhammad Faisal, Mayank Varia. Secrecy: Secure Collaborative Analytics on Secret-Shared Data. Boston University, 2021. (arxiv)
Moritz Hoffmann, Andrea Lattuada, Frank McSherry, Vasiliki Kalavri, John Liagouris, Timothy Roscoe. Megaphone: Live State Migration for Distributed Streaming Dataflows. ETH Zurich, 2018. (arxiv)
Desislava Dimitrova, John Liagouris, Sebastian Wicki, Moritz Hoffmann, Vasiliki Kalavri, Timothy Roscoe. DeltaPath: Dataflow-based High-performance Incremental Routing. ETH Zurich, August 2018. (arxiv)
Zaheer Chothia, John Liagouris, Frank McSherry, Timothy Roscoe. Explaining Outputs in Modern Data Analytics. Technical Report, Systems Group, Department of Computer Science, ETH Zurich, March 2016. (report)
John Liagouris, Nikos Mamoulis, Panagiotis Bouros and Manolis Terrovitis. Efficient management of spatial RDF data. TR-2014-02, CS Department, HKU, March 2014. (report)
John Liagouris and Manolis Terrovitis, Efficient Identification of Implicit Facts in Incomplete OWL Knowledge Bases. TR-2014-01, Institute for the Management of Information Systems, Research Center 'Athena', Greece, March 2014. (report)