12 citations · 26 across the 12 of their papers we have counts for
13 papers
ConvoCache: Smart Re-Use of Chatbot Responses
Conor Atkins, Ian Wood, Mohamed Ali Kaafar +3
We present ConvoCache, a conversational caching system that solves the problem of slow and expensive generative AI models in spoken chatbots. ConvoCache finds a semantically simila…
SenTopX: Benchmark for User Sentiment on Various Topics
Hina Qayyum, Muhammad Ikram, Benjamin Zhao +3
Toxic sentiment analysis on Twitter (X) often focuses on specific topics and events such as politics and elections. Datasets of toxic users in such research are typically gathered…
On mission Twitter Profiles: A Study of Selective Toxic Behavior
Hina Qayyum, Muhammad Ikram, Benjamin Zi Hao Zhao +3
The argument for persistent social media influence campaigns, often funded by malicious entities, is gaining traction. These entities utilize instrumented profiles to disseminate d…
Exploring the Distinctive Tweeting Patterns of Toxic Twitter Users
Hina Qayyum, Muhammad Ikram, Benjamin Zi Hao Zhao +3
In the pursuit of bolstering user safety, social media platforms deploy active moderation strategies, including content removal and user suspension. These measures target users eng…
Challenges with Passwordless FIDO2 in an Enterprise Setting: A Usability Study
Michal Kepkowski, Maciej Machulak, Ian Wood +1
Fast Identity Online 2 (FIDO2), a modern authentication protocol, is gaining popularity as a default strong authentication mechanism. It has been recognized as a leading candidate…
An analysis of scam baiting calls: Identifying and extracting scam stages and scripts
Ian Wood, Michal Kepkowski, Leron Zinatullin +2
Phone scams remain a difficult problem to tackle due to the combination of protocol limitations, legal enforcement challenges and advances in technology enabling attackers to hide…
Those Aren't Your Memories, They're Somebody Else's: Seeding Misinformation in Chat Bot Memories
Conor Atkins, Benjamin Zi Hao Zhao, Hassan Jameel Asghar +2
One of the new developments in chit-chat bots is a long-term memory mechanism that remembers information from past conversations for increasing engagement and consistency of respon…
A longitudinal study of the top 1% toxic Twitter profiles
Hina Qayyum, Benjamin Zi Hao Zhao, Ian D. Wood +3
Toxicity is endemic to online social networks including Twitter. It follows a Pareto like distribution where most of the toxicity is generated by a very small number of profiles an…
Unintended Memorization and Timing Attacks in Named Entity Recognition Models
Rana Salal Ali, Benjamin Zi Hao Zhao, Hassan Jameel Asghar +3
Named entity recognition models (NER), are widely used for identifying named entities (e.g., individuals, locations, and other information) in text documents. Machine learning base…
How Not to Handle Keys: Timing Attacks on FIDO Authenticator Privacy
Michal Kepkowski, Lucjan Hanzlik, Ian Wood +1
This paper presents a timing attack on the FIDO2 (Fast IDentity Online) authentication protocol that allows attackers to link user accounts stored in vulnerable authenticators, a s…
A deep dive into the consistently toxic 1% of Twitter
Hina Qayyum, Benjamin Zi Hao Zhao, Ian D. Wood +3
Misbehavior in online social networks (OSN) is an ever-growing phenomenon. The research to date tends to focus on the deployment of machine learning to identify and classify types…
ECOL-R: Encouraging Copying in Novel Object Captioning with Reinforcement Learning
Yufei Wang, Ian D. Wood, Stephen Wan +1
Novel Object Captioning is a zero-shot Image Captioning task requiring describing objects not seen in the training captions, but for which information is available from external ob…
Modality-based Factorization for Multimodal Fusion
Elham J. Barezi, Peyman Momeni, Pascale Fung
We propose a novel method, Modality-based Redundancy Reduction Fusion (MRRF), for understanding and modulating the relative contribution of each modality in multimodal inference ta…