50 citations · 83 across the 8 of their papers we have counts for
10 papers
Trust-based Blockchain Authorization for IoT
Guntur Dharma Putra, Volkan Dedeoglu, Salil S Kanhere +2
Authorization or access control limits the actions a user may perform on a computer system, based on predetermined access control policies, thus preventing access by illegitimate a…
Simeon -- Secure Federated Machine Learning Through Iterative Filtering
Nicholas Malecki, Hye-young Paik, Aleksandar Ignjatovic +2
Federated learning enables a global machine learning model to be trained collaboratively by distributed, mutually non-trusting learning agents who desire to maintain the privacy of…
Fair Scheduling for Data Collection in Mobile Sensor Networks with Energy Harvesting
Kai Li, Chau Yuen, Branislav Kusy +4
We consider the problem of data collection from a continental-scale network of energy harvesting sensors, applied to tracking mobile assets in rural environments. Our application c…
Asymptotic behaviour of some families of orthonormal polynomials and an associated Hilbert space
Aleksandar Ignjatovic
We characterise asymptotic behaviour of families of symmetric orthonormal polynomials whose recursion coefficients satisfy certain conditions, satisfied for example by the (normali…
An Analytic Approach to People Evaluation in Crowdsourcing Systems
Mohammad Allahbakhsh, Aleksandar Ignjatovic, Boualem Benatallah +3
Worker selection is a significant and challenging issue in crowdsourcing systems. Such selection is usually based on an assessment of the reputation of the individual workers parti…
Detecting, Representing and Querying Collusion in Online Rating Systems
Mohammad Allahbakhsh, Aleksandar Ignjatovic, Boualem Benatallah +3
Online rating systems are subject to malicious behaviors mainly by posting unfair rating scores. Users may try to individually or collaboratively promote or demote a product. Colla…