Primal Pappachan
Primal Pappachan
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ACCORD: Constraint-driven mediation of multi-user conflicts in cloud services
When multiple users adopt collaborative cloud services like Google Drive to work on a shared resource, incorrect or missing …
Abhiroop Tippavajjula
,
Primal Pappachan
,
Anna Squicciarini
,
Jose Such
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Code
Project
GenAIPABench: A Benchmark for Generative AI-based Privacy Assistants
Privacy policies of websites are often lengthy and intricate. Privacy assistants assist in simplifying policies and making them more …
Aamir Hamid
,
Hemanth Reddy Samidi
,
Tim Finin
,
Primal Pappachan
,
Roberto Yus
Preprint
Cite
Differentially Private Streaming Data Release under Temporal Correlations via Post-processing
The release of differentially private streaming data has been extensively studied, yet striking a good balance between privacy and …
Xuyang Cao
,
Yang Cao
,
Primal Pappachan
,
Atsuyoshi Nakamura
,
Masatoshi Yoshikawa
Preprint
Cite
User Customizable and Robust Geo-Indistinguishability for Location Privacy
Location obfuscation functions generated by existing systems for ensuring location privacy are monolithic and do not allow users to …
Primal Pappachan
,
Chenxi Qiu
,
Anna Squicciarini
,
Vishnu Sharma Hunsur Manjunath
Preprint
PDF
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Code
Project
Slides
CORGI: An interactive framework for Customizable and Robust Location Obfuscation
Location obfuscation functions generated by existing systems for ensuring location privacy tend to be monolithic and do not allow end …
Primal Pappachan
,
Vishnu Sharma Hunsur Manjunath
,
Chenxi Qiu
,
Anna Squicciarini
,
Hailey Onweller
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Project
Poster
TrafficAdaptor: An Adaptive Obfuscation Strategy for Vehicle Location Privacy Against Traffic Flow Aware Attack
One of the most popular location privacy-preserving mechanisms applied in location-based services (LBS) is location obfuscation, where …
Chenxi Qiu
,
Yan Li
,
Anna Squicciarini
,
Juanjuan Zhao
,
Chengzhong Xu
,
Primal Pappachan
PDF
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Project
Don't Be a Tattle-Tale: Preventing Leakages through Data Dependencies on Access Control Protected Data
We study the problem of answering queries when (part of) the data may be sensitive and should not be leaked to the querier. Simply re- …
Primal Pappachan
,
Shufan Zhang
,
Xi He
,
Sharad Mehrotra
Preprint
PDF
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Code
Project
Poster
Slides
Designing privacy preserving data sharing middleware for internet of things
The rise of low-cost Internet of Things (IoT) sensing and communication capabilities has given rise to a range of new smart services …
Sameera Ghayyur
,
Primal Pappachan
,
Guoxi Wang
,
Sharad Mehrotra
,
Nalini Venkatasubramanian
PDF
Cite
Project
The ZotBins solution to waste management using internet of things
The growing use of Internet of Things (IoT) technologies has the potential to improve waste management. In this work, we present …
Joshua Cao
,
Jesse Chong
,
Marissa Lafreniere
,
Owen Yang
,
Primal Pappachan
,
Sharad Mehrotra
,
Nalini Venkatasubramanian
PDF
Cite
Code
Project
Video
Sieve: A Middleware Approach to Scalable Access Control for Database Management Systems
Current approaches for enforcing Fine Grained Access Control (FGAC) in DBMS do not scale to scenarios when the number of access control …
Primal Pappachan
,
Roberto Yus
,
Sharad Mehrotra
,
Johann-Christoph Freytag
Preprint
PDF
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Code
Project
Project
Video
SemIoTic: Bridging the Semantic Gap in IoT Spaces
This demonstration showcases the SemIoTic middleware which provides inhabitants of an IoT space, as well as developers of applications, …
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
PDF
Cite
Project
DOI
Towards Privacy-Aware Smart Buildings: Capturing, Communicating, and Enforcing Privacy Policies and Preferences
The Internet of Things (IoT) is changing the way we interact with our environment in domains as diverse as health, transportation, …
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
PDF
Cite
Project
DOI
Mobipedia: Mobile Applications Linked Data
We present Mobipedia, an integrated knowledge base withinformation about 1 million mobile applications (apps) such as their cat-egory, …
Primal Pappachan
,
Roberto Yus
,
Prajit Kumar Das
,
Sharad Mehrotra
,
Tim Finin
,
Anupam Joshi
PDF
Cite
Building a Mobile Applications Knowledge Base for the Linked Data Cloud
The number of mobile applications (apps) in major app stores exceeded one million in 2013. While app stores provide a central point for …
Primal Pappachan
,
Roberto Yus
,
Prajit Kumar Das
,
Sharad Mehrotra
,
Tim Finin
,
Anupam Joshi
PDF
Cite
Are Apps Going Semantic? A Systematic Review of Semantic Mobile Applications
With the widespread availability of cheap but powerful mobile devices and high-speed mobile Internet, we are witnessing an …
Roberto Yus
,
Primal Pappachan
PDF
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Semantics for Privacy and Shared Context
Capturing, maintaining, and using context information helps mobile applications provide better services and generates data useful in …
Roberto Yus
,
Primal Pappachan
,
Prajit Kumar Das
,
Tim Finin
,
Anupam Joshi
,
Eduardo Mena
PDF
Cite
Project
Rafiki: A semantic and collaborative approach to community health-care in underserved areas
Community Health Workers (CHWs) act as liaisons between health-care providers and patients in underserved or un-served areas. However, …
Primal Pappachan
,
Roberto Yus
,
Anupam Joshi
,
Tim Finin
PDF
Cite
DOI
A Semantic Context-Aware Privacy Model for FaceBlock
Wearable computing devices like Google Glass are at the forefront of technological evolution in smart devices. The ubiquitous and …
Primal Pappachan
,
Roberto Yus
,
Prajit Kumar Das
,
Tim Finin
,
Eduardo Mena
,
Anupam Joshi
PDF
Cite
Project
Demo: FaceBlock: privacy-aware pictures for google glass
FaceBlock takes regular pictures taken by your smartphone or Google Glass as input and converts it into privacy-aware pictures. This …
Roberto Yus
,
Primal Pappachan
,
Prajit Kumar Das
,
Eduardo Mena
,
Anupam Joshi
,
Tim Finin
PDF
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DOI
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