Research Topics

Large Language Models

• Retrieval-augmented generation
• Reasoning with parametric and non-parametric knowledge
• Agents and user simulators in web environments

Information Retrieval & Recommendation

• Data encoders for information retrieval
• Explainable search (and recommender) systems
• Conversational search (and recommender) systems

Real-world Data to Artificial Intelligence

• Ontology-based insight discovery and decision making
• Text analysis: sentiment, opinion, topic, named entity, summary, …
• Classification, clustering, prediction, and anomaly detection
• Machine learning for medical and health data