Publications

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 …
Code Project
ACCORD: Constraint-driven mediation of multi-user conflicts in cloud services

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 …
Preprint
GenAIPABench: A Benchmark for Generative AI-based Privacy Assistants

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 …
Preprint

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 …
Preprint PDF Code Project Slides
User Customizable and Robust Geo-Indistinguishability for Location Privacy

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 …
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 …
PDF 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- …
Preprint PDF 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 …
PDF Project
Designing privacy preserving data sharing middleware for internet of things

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 …
PDF Code Project Video
The ZotBins solution to waste management using internet of things

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 …
Preprint PDF Code Project Project Video
Sieve: A Middleware Approach to Scalable Access Control for Database Management Systems

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, …
PDF Project DOI
SemIoTic: Bridging the Semantic Gap in IoT Spaces

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, …
PDF Project DOI
Towards Privacy-Aware Smart Buildings: Capturing, Communicating, and Enforcing Privacy Policies and Preferences

Mobipedia: Mobile Applications Linked Data

We present Mobipedia, an integrated knowledge base withinformation about 1 million mobile applications (apps) such as their cat-egory, …
PDF
Mobipedia: Mobile Applications Linked Data

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 …
PDF
Building a Mobile Applications Knowledge Base for the Linked Data Cloud

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 …
PDF
Are Apps Going Semantic? A Systematic Review of Semantic Mobile Applications

Semantics for Privacy and Shared Context

Capturing, maintaining, and using context information helps mobile applications provide better services and generates data useful in …
PDF Project
Semantics for Privacy and Shared Context

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, …
PDF DOI
Rafiki: A semantic and collaborative approach to community health-care in underserved areas

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 …
PDF Project
A Semantic Context-Aware Privacy Model for FaceBlock

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 …
PDF Project Video DOI
Demo: FaceBlock: privacy-aware pictures for google glass