no code implementations • 4 Jan 2020 • Ghazaleh Beigi, Jiliang Tang, Huan Liu
The existence of negative links piques research interests in investigating whether properties and principles of signed networks differ from those of unsigned networks, and mandates dedicated efforts on link analysis for signed social networks.
no code implementations • 22 Nov 2019 • Ghazaleh Beigi, Ahmadreza Mosallanezhad, Ruocheng Guo, Hamidreza Alvari, Alexander Nou, Huan Liu
The attacker seeks to infer users' private-attribute information according to their items list and recommendations.
no code implementations • IJCNLP 2019 • Ahmadreza Mosallanezhad, Ghazaleh Beigi, Huan Liu
Experiments show the effectiveness of this approach in terms of preserving both privacy and utility.
no code implementations • 6 Mar 2019 • Ghazaleh Beigi, Suhas Ranganath, Huan Liu
Predicting signed links in social networks often faces the problem of signed link data sparsity, i. e., only a small percentage of signed links are given.