as to the acceptability of spatial aggregation in hedonic property value models. Both statistical tests and tests based … upon prediction errors are performed in order to identify the circumstances under which aggregation is statistically … importance of specification and functional form as determinants of both the acceptability of aggregation and predictive power …

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 …

aggregation theory and statistical dimensional methods, we propose plausiblemethodological procedure to consistently address the … 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 …

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