VLMs recover common ERD elements at F1>0.74 but drop to 0.07–0.28 on N-ary relationships, multivalued attributes, and weak entities; reasoning models gain 15–25% yet stay prior- and complexity-sensitive.
2013.Entity-Relationship Modeling: Foundations of Database Technology
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ERUnderstand: Evaluating Vision-Language Models on Structured ER Diagrams
VLMs recover common ERD elements at F1>0.74 but drop to 0.07–0.28 on N-ary relationships, multivalued attributes, and weak entities; reasoning models gain 15–25% yet stay prior- and complexity-sensitive.