Publications

Primal Pappachan, Chenxi Qiu, Anna Squicciarini, Vishnu Sharma Hunsur Manjunath (2023). User Customizable and Robust Geo-Indistinguishability for Location Privacy. EDBT 2023.

Preprint Code Project

Primal Pappachan, Vishnu Sharma Hunsur Manjunath, Chenxi Qiu, Anna Squicciarini, Hailey Onweller (2023). CORGI: An interactive framework for Customizable and Robust Location Obfuscation. IEEE International Conference on Data Engineering (ICDE).

Chenxi Qiu, Yan Li, Anna Squicciarini, Juanjuan Zhao, Chengzhong Xu, Primal Pappachan (2022). TrafficAdaptor: An Adaptive Obfuscation Strategy for Vehicle Location Privacy Against Traffic Flow Aware Attack. 30th ACM International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL).

Primal Pappachan, Shufan Zhang, Xi He, Sharad Mehrotra (2022). Don't Be a Tattle-Tale: Preventing Leakages through Data Dependencies on Access Control Protected Data. Proc. VLDB Endow..

Preprint PDF Code Project Poster Slides

Sameera Ghayyur, Primal Pappachan, Guoxi Wang, Sharad Mehrotra, Nalini Venkatasubramanian (2020). Designing privacy preserving data sharing middleware for internet of things. The 3rd International SenSys+BuildSys Workshop on Data:Acquisition to Analysis (DATA ’20).

Joshua Cao, Jesse Chong, Marissa Lafreniere, Owen Yang, Primal Pappachan, Sharad Mehrotra, Nalini Venkatasubramanian (2020). The ZotBins solution to waste management using internet of things. 18th ACM Conference on Embedded Networked Sensor Systems (SenSys 2020).

PDF Code Project Video

Primal Pappachan, Roberto Yus, Sharad Mehrotra, Johann-Christoph Freytag (2020). Sieve: A Middleware Approach to Scalable Access Control for Database Management Systems. Proc. VLDB Endow..

Preprint PDF Code Project Project Video

Sumaya Almanee, Georgios Bouloukakis, Daokun Jiang, Sameera Ghayyur, Dhrubajyoti Ghosh, Peeyush Gupta, Yiming Lin, Sharad Mehrotra, Primal Pappachan, Eun-Jeong Shin, Nalini Venkatasubramanian, Guoxi Wang, Roberto Yus (2019). SemIoTic: Bridging the Semantic Gap in IoT Spaces. Proceedings of the 6th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation, BuildSys 2019, New York, NY, USA, November 13-14, 2019.

PDF Project DOI

Primal Pappachan, Martin Degeling, Roberto Yus, Anupam Das, Sruti Bhagavatula, William Melicher, Pardis Emami Naeini, Shikun Zhang, Lujo Bauer, Alfred Kobsa, Sharad Mehrotra, Norman M. Sadeh, Nalini Venkatasubramanian (2017). Towards Privacy-Aware Smart Buildings: Capturing, Communicating, and Enforcing Privacy Policies and Preferences. 37th IEEE International Conference on Distributed Computing Systems Workshops, ICDCS Workshops 2017, Atlanta, GA, USA, June 5-8, 2017.

PDF Project DOI

Primal Pappachan, Roberto Yus, Prajit Kumar Das, Sharad Mehrotra, Tim Finin, Anupam Joshi (2015). Mobipedia: Mobile Applications Linked Data. Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), Bethlehem, PA, USA, October 11, 2015.

Primal Pappachan, Roberto Yus, Prajit Kumar Das, Sharad Mehrotra, Tim Finin, Anupam Joshi (2015). Building a Mobile Applications Knowledge Base for the Linked Data Cloud. Proceedings of the 1st International Workshop on Mobile Deployment of Semantic Technologies (MoDeST 2015) co-located with 14th International Semantic Web Conference (ISWC 2015), Bethlehem, Pennsylvania, USA, October 11th, 2015.

Roberto Yus, Primal Pappachan (2015). Are Apps Going Semantic? A Systematic Review of Semantic Mobile Applications. Proceedings of the 1st International Workshop on Mobile Deployment of Semantic Technologies (MoDeST 2015) co-located with 14th International Semantic Web Conference (ISWC 2015), Bethlehem, Pennsylvania, USA, October 11th, 2015.

Roberto Yus, Primal Pappachan, Prajit Kumar Das, Tim Finin, Anupam Joshi, Eduardo Mena (2014). Semantics for Privacy and Shared Context. Proceedings of the 2nd Workshop on Society, Privacy and the Semantic Web - Policy and Technology (PrivOn 2014) co-located with the 13th International Semantic Web Conference (ISWC 2014), Trento, Italy, October 20, 2014.

Primal Pappachan, Roberto Yus, Anupam Joshi, Tim Finin (2014). Rafiki: A semantic and collaborative approach to community health-care in underserved areas. 10th IEEE International Conference on Collaborative Computing: Networking, Applications and Worksharing, CollaborateCom 2014, Miami, Florida, USA, October 22-25, 2014.

Primal Pappachan, Roberto Yus, Prajit Kumar Das, Tim Finin, Eduardo Mena, Anupam Joshi (2014). A Semantic Context-Aware Privacy Model for FaceBlock. Proceedings of the 2nd Workshop on Society, Privacy and the Semantic Web - Policy and Technology (PrivOn 2014) co-located with the 13th International Semantic Web Conference (ISWC 2014), Trento, Italy, October 20, 2014.

Roberto Yus, Primal Pappachan, Prajit Kumar Das, Eduardo Mena, Anupam Joshi, Tim Finin (2014). Demo: FaceBlock: privacy-aware pictures for google glass. The 12th Annual International Conference on Mobile Systems, Applications, and Services, MobiSys'14, Bretton Woods, NH, USA, June 16-19, 2014.

PDF Project Video DOI