4 papers
Learning to Detect Cross-Modal Negation: An Analysis of Latent Representations and an Attention-Based Solution
Ali AbuSaleh, Leon Hammerla, Alexander Mehler
Detecting high-level semantic concepts like negation across modalities remains a challenge for current multimodal systems. We analyze this as a fundamental representation learning…
MMTM: Tri-Modal Topic Modeling for Long-Form Video via Similarity-Gated Fusion
Ali Abusaleh, Bhuvanesh Verma, Alexander Mehler
We introduce MMTM, a modular pipeline for topic discovery in long-form video that integrates speech recognition, audio and visual embeddings, and BERTopic clustering through a dete…
Extending a Parliamentary Corpus with MPs' Tweets: Automatic Annotation and Evaluation Using MultiParTweet
Mevlüt Bagci, Ali Abusaleh, Daniel Baumartz +3
Social media serves as a critical medium in modern politics because it both reflects politicians' ideologies and facilitates communication with younger generations. We present Mult…
A Multitask VAE for Time Series Preprocessing and Prediction of Blood Glucose Level
Ali AbuSaleh, Mehdi Rahim
Data preprocessing is a critical part of time series data analysis. Data from connected medical devices often have missing or abnormal values during acquisition. Handling such situ…