PromptNCE: Pointwise Mutual Information Predictions Using Only LLMs and Contrastive Estimation Prompts

In three linesPromptNCE estimates pointwise mutual information via LLM without training, using only prompts and elicited probabilities. The method frames conditional probability estimation as a contrastive task with explicit OTHER category. Spearman correlation up to 0.82 on three datasets with human ground-truth.

Summary generated by Claude — human-verified