generated by aggregation ratherthan derived from stable individual preferences. …

frequencies. The issue of temporal aggregation is examined in two ways. We initially show that those changes do not seem to have … aggregation on those properties; therefore, the aggregation of economic flows into annual figures is once more found to involve … different frequencies is then investigated from analytical and empirical standpoints. Time aggregation is found to reduce the …

Model induction from relational data requires aggregation of values ofattributes of related entities. This paper makes … needed to learn these concepts. (2) Expanding onelevel of the hierarchy, it introduces new aggregation operators thatmodel … byclass. (3) It demonstrates empirically on a noisy business domain thatmore-complex aggregation methods can increase …

still remains significant at high levels of aggregation. Because the bias rises with disaggregation, findings of …

deterministic relationsare oftentimes observed among variables in high dimensional data. Aggregation methods areproposed as one … aggregated variables. Aggregation methods also arehelpful to address the issue of how to incorporate a large information set into … economy of parameters in empirical models. However, actual aggregation requires legitimateclassifications for interpretable …

that can be carried out within the framework. - Design, analysis and implementation of an aggregation-based service …