Exploring Retrieval-Reranking and LLM-Based Answer Generation for Biomedical QA. - Poojan Vachharajani (CLEF (Working Notes), 2025)

Multilingual Embedding and Prompt-Driven Approaches for Named Entity Recognition, Entity Linking, and Clinical Code Prediction in Greek Discharge Summaries. - Poojan Vachharajani (CLEF (Working Notes), 2025)

pjmathematician at MultiClinSUM 2025: A Novel Automated Prompt Optimization Framework for Multilingual Clinical Summarization. - Poojan Vachharajani (CLEF (Working Notes), 2025)

Literal Re-translation as a Method for AI Text Disguise and Detection Evasion. - Poojan Vachharajani (CLEF (Working Notes), 2025)

Transformer Ensembles and LLM-Powered Approaches for Depression Symptom Analysis and Contextualized Early Risk Detection. - Poojan Vachharajani (CLEF (Working Notes), 2025)

pjmathematician at the CLEF 2025 JOKER Lab Tasks 1, 2 & 3: A Unified Approach to Humour Retrieval and Translation using the Qwen LLM Family. - Poojan Vachharajani (CLEF (Working Notes), 2025)

pjmathematician at TalentCLEF 2025: Enhancing Job Title and Skill Matching with GISTEmbed and LLM-Augmented Data. - Poojan Vachharajani (CLEF (Working Notes), 2025)

CLEF 2026 JOKER Track - Humour Detection, Search, and Translation. - Liana Ermakova; Igor Kuzmin; Poojan Vachharajani; Tristan Miller; Anne-Gwenn Bosser; Jaap Kamps (ECIR (4), 2026)