245 citations · 536 across the 13 of their papers we have counts for
4 papers · 1 filter
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…
Extracting News Events from Microblogs
Øystein Repp, Heri Ramampiaro
Twitter stream has become a large source of information for many people, but the magnitude of tweets and the noisy nature of its content have made harvesting the knowledge from Twi…
Context-Aware Sequence-to-Sequence Models for Conversational Systems
Silje Christensen, Simen Johnsrud, Massimiliano Ruocco +1
This work proposes a novel approach based on sequence-to-sequence (seq2seq) models for context-aware conversational systems. Exist- ing seq2seq models have been shown to be good fo…
Detecting Offensive Language in Tweets Using Deep Learning
Georgios K. Pitsilis, Heri Ramampiaro, Helge Langseth
This paper addresses the important problem of discerning hateful content in social media. We propose a detection scheme that is an ensemble of Recurrent Neural Network (RNN) classi…