What is interestingness?

  • (noun): The power of attracting or holding one's interest (because it is unusual or exciting etc.).
    Synonyms: interest

Some articles on interestingness:

Association Rule Learning - Alternative Measures of Interestingness
... Next to confidence also other measures of interestingness for rules were proposed ... that can model what the user has known (and using this models as interestingness measures) is currently an active research trend under the name of "Subjective Interestingness" ...