activity
20122019
most citedSocial Trust as a solution to address sparsity-inherent problems of Recommender systems

36 citations · 39 across the 5 of their papers we have counts for

collaborators

5 papers

cs.IR2019

Securing Tag-based recommender systems against profile injection attacks: A comparative study. (Extended Report)

Georgios K. Pitsilis, Heri Ramampiaro, Helge Langseth

This work addresses the challenges related to attacks on collaborative tagging systems, which often comes in a form of malicious annotations or profile injection attacks. In partic…

cs.SI2018★ 2 cited

Securing Tag-based recommender systems against profile injection attacks: A comparative study

Georgios Pitsilis, Heri Ramampiaro, Helge Langseth

This work addresses challenges related to attacks on social tagging systems, which often comes in a form of malicious annotations or profile injection attacks. In particular, we st…

cs.SI2014

Harnessing the power of Social Bookmarking for improving tag-based Recommendations

Georgios Pitsilis, Wei Wang

Social bookmarking and tagging has emerged a new era in user collaboration. Collaborative Tagging allows users to annotate content of their liking, which via the appropriate algori…

cs.MM2013★ 1 cited

An Efficient Authorship Protection Scheme for Shared Multimedia Content

Mohamed El-Hadedy, Georgios Pitsilis, Svein J. Knapskog

Many electronic content providers today like Flickr and Google, offer space to users to publish their electronic media (e.g. photos and videos) in their cloud infrastructures, so t…

cs.SI2012★ 36 cited

Social Trust as a solution to address sparsity-inherent problems of Recommender systems

Georgios Pitsilis, Svein J. Knapskog

Trust has been explored by many researchers in the past as a successful solution for assisting recommender systems. Even though the approach of using a web-of-trust scheme for assi…