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John Kastner
John Kastner
Amazon Web Services
Verified email at cs.umd.edu
Title
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Cited by
Year
C to Checked C by 3C
A Machiry, J Kastner, M McCutchen, A Eline, K Headley, M Hicks
Proceedings of the ACM on Programming Languages 6 (OOPSLA1), 1-29, 2022
302022
Using animation to visualize spatio-temporal varying COVID-19 data
H Samet, Y Han, J Kastner, H Wei
Proceedings of the 1st ACM SIGSPATIAL International Workshop on Modeling and …, 2020
282020
Cedar: A new language for expressive, fast, safe, and analyzable authorization
JW Cutler, C Disselkoen, A Eline, S He, K Headley, M Hicks, K Hietala, ...
Proceedings of the ACM on Programming Languages 8 (OOPSLA1), 670-697, 2024
272024
NewsStand CoronaViz: A Map Query Interface for Spatio-Temporal and Spatio-Textual Monitoring of Disease Spread
J Kastner, H Samet, H Wei
arXiv preprint arXiv:2003.00107, 2020
10*2020
Visualizing SpatioTemporal Keyword Trends in Online News Articles
JH Kastner, H Samet
28th ACM SIGSPATIAL International Conference on Advances in Geographic …, 2020
52020
Authorization policy validation
MW Hicks, JH Kastner, E Torlak, RM McCUTCHEN, D MCADAMS, ...
US Patent 12,261,888, 2025
42025
How we built Cedar: A verification-guided approach
C Disselkoen, A Eline, S He, K Headley, M Hicks, K Hietala, J Kastner, ...
Companion Proceedings of the 32nd ACM International Conference on the …, 2024
42024
Cedar: A New Language for Expressive, Fast, Safe, and Analyzable Authorization (Extended Version)
JW Cutler, C Disselkoen, A Eline, S He, K Headley, M Hicks, K Hietala, ...
arXiv preprint arXiv:2403.04651, 2024
32024
Equal Area Breaks: A Classification Scheme for Data to Obtain an Evenly-colored Choropleth Map
A Abboud, J Kastner, H Samet
arXiv preprint arXiv:2005.01653, 2020
22020
Visualizing multilayer spatiotemporal epidemiological data with animated geocircles
B Ondov, HB Patel, AT Kuo, J Kastner, Y Han, H Wei, N Elmqvist, H Samet
Journal of the American Medical Informatics Association 31 (11), 2507-2518, 2024
12024
Pointer constraint modeling through a multigraph
MW Hicks, JH Kastner, AJ Eline
US Patent App. 17/159,045, 2022
12022
Authorization policy evaluation
E Torlak, D MCADAMS, N Rungta, MW Hicks, CR DISSELKOEN, AJ Eline, ...
US Patent 12,483,595, 2025
2025
Cedar: An Expressive, Fast, Safe, and Analyzable Authorization Language for Modern Distributed Systems [Keynote Abstract]
J Kastner
Proceedings of the 30th ACM Symposium on Access Control Models and …, 2025
2025
CoronaViz: Visualizing Multilayer Spatiotemporal COVID-19 Data with Animated Geocircles
B Ondov, HB Patel, AT Kuo, H Samet, J Kastner, Y Han, H Wei, N Elmqvist
arXiv preprint arXiv:2211.05823, 2022
2022
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