27 citations · 50 across the 4 of their papers we have counts for
4 papers
Extending SPARQL to Support Entity Grouping and Path Queries
Seyed-Mehdi-Reza Beheshti, Sherif Sakr, Boualem Benatallah +1
The ability to efficiently find relevant subgraphs and paths in a large graph to a given query is important in many applications including scientific data analysis, social networks…
Temporal Provenance Model (TPM): Model and Query Language
Seyed-Mehdi-Reza Beheshti, Hamid Reza Motahari-Nezhad, Boualem Benatallah
Provenance refers to the documentation of an object's lifecycle. This documentation (often represented as a graph) should include all the information necessary to reproduce a certa…
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…