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Jianfei Xu

2 papers · 2025–2026 · 1 venue · across top CS/AI venues

Authors are matched by name, so researchers who share a name ("Yang Liu", "Wei Wang") appear as a single profile and their paper counts, venues and achievements are combined. How identity is handled.

Achievements

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🌉 Interdisciplinary Bridge · Bronze

Venues

Top co-authors

Ting Zhu (1) Huizhi Liang (1) Thanet Markchom (1) Jiaying Hong (1) Mingyang Chen (1) Tong Wu (1) Huizhi(elly) Liang (1)

Research topics

Artificial Intelligence (2) Core AI (2) Deep Learning (1) Machine Learning (1) Natural Language Processing (1) Applications (1) Learning Types · Machine Learning (1) Learning Types · Deep Learning (1) Resources & Methods (1)

Keywords

large language model (2) multilingual nlp (1) supervised contrastive learning (1) semantic similarity (1) text embedding (1) fact verification (1) factual verification (1) prompt-based verification (1) text span detection (1) narrative similarity (1) hallucination detection (1)

Papers

NCL&HKU-NarrSim at SemEval-2026 Task 4: Aspect-Based Agents and Supervised Contrastive Embeddings for Narrative Similarity SemEval 2026 NCL-UoR at SemEval-2025 Task 3: Detecting Multilingual Hallucination and Related Observable Overgeneration Text Spans with Modified RefChecker and Modified SeflCheckGPT SemEval 2025