Among other disclosed subject matter, a computer-implemented method for managing indicator values includes identifying a change that has been made in a data source to a data value relating to a specific date. Multiple indicators have been defined that can be evaluated using business information in the data source. The method includes identifying, in a history repository that is separate from the data source and that includes indicator values from evaluations of at least one of the indicators, at least one of the indicator values that was determined at a time before the change was made. The indicator value is identified as having been determined using the data value. The method includes modifying the identified indicator value in the history repository using at least the change of the data value.