Emmanuel Osei-Brefo
6 papers · 2020–2026 · 2 venues · across top CS/AI venues
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Achievements
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🌍 Conference Polyglot · Bronze 🏃 Academic Marathon · Sprint 🌉 Interdisciplinary Bridge · Bronze 🗺️ Taxonomy Completionist (18) 🐣 Hot Topic Early Bird
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Topic Evolution
Venues
Top co-authors
Research topics
Machine Learning
(4)
Artificial Intelligence
(3)
Core AI
(3)
Deep Learning
(2)
Natural Language Processing
(2)
Applications
(2)
Architectures
(2)
Core Methods
(2)
Learning Types · Machine Learning
(2)
Knowledge & Reasoning
(1)
Mathematics & Optimization
(1)
Learning Types · Deep Learning
(1)
Mathematics
(1)
Optimization & Theory
(1)
Representation
(1)
Keywords
text classification
(2)
reinforcement learning
(1)
ensemble learning
(1)
sentiment analysis
(1)
noisy label learning
(1)
multimodal learning
(1)
sentiment classification
(1)
sarcasm detection
(1)
code generation
(1)
bert model
(1)
sharpness-aware minimization
(1)
class imbalance
(1)
crowd sourcing
(1)
knowledge graph
(1)
gaussian mixture model
(1)
knowledge graph embedding
(1)
crowdsourced annotation
(1)
noisy label
(1)
text embedding
(1)
sampling method
(1)
Papers
OseiBrefo-Liang at SemEval-2026 Task 12: Hybrid Causal Knowledge Graphs and Neural-Symbolic Policy Optimisation for Abductive Event Reasoning
SemEval 2026
OseiBrefo-Liang at SemEval-2025 Task 8 : A Multi-Agent LLM code generation approach for answering Tabular Questions
SemEval 2025
NU at WASSA 2024 Empathy and Personality Shared Task: Enhancing Personality Predictions with Knowledge Graphs; A Graphical Neural Network and LightGBM Ensemble Approach
ACL 2024
UoR-NCL at SemEval-2022 Task 6: Using ensemble loss with BERT for intended sarcasm detection
SemEval 2022
UOR at SemEval-2021 Task 12: On Crowd Annotations; Learning with Disagreements to optimise crowd truth
SemEval 2021
UoR at SemEval-2020 Task 8: Gaussian Mixture Modelling (GMM) Based Sampling Approach for Multi-modal Memotion Analysis
SemEval 2020