The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
The importance of topological relationships between spatial objects is recognized in many disciplines. In the field of spatial databases, topological relationships have played an ...
Many information systems store their objects in a relational database. If the object schema or the relational schema of an application can change often or in an independent way, it...
Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodical...
Abstract. In this paper, a new approach for retrieval from semistructured photographic collections is described. We have developed a retrieval model based on the Dempster-Shafer th...