This document discusses various approaches to measuring the interestingness of patterns discovered during data mining. It describes objective interestingness measures based only on the data, like conciseness, generality, reliability, peculiarity and diversity. Subjective measures take into account user knowledge and expectations, evaluating novelty and surprisingness. Semantic measures consider pattern semantics and explanations, focusing on utility and actionability. The document also discusses limitations of typical objective measures like support and confidence, and outlines subjective approaches involving user impressions at different levels of knowledge granularity.