Joshua Alan Flashner Adithya Kulkarni Dawei Zhou 0003 SciCompanion: Graph-Grounded Reasoning for Structured Evaluation of Scientific Arguments. EMNLP (Findings) 2025 24223-24244 conf/emnlp/2025f https://aclanthology.org/2025.findings-emnlp.1315/ db/conf/emnlp/emnlp2025f.html#FlashnerKZ25 streams/conf/emnlp