Abstract
The management of spatial data in applications such as graphics and image processing, geography as well as computer aided design (CAD) imposes stringent new requirements on socalled spatial database systems. In this paper we propose a flexible and extensible index manager for efficient query processing in spatial database systems by integrating spatial access methods. An essential ingredient for efficient query processing is spatial clustering of objects using common clustering properties, such as spatial location. In our approach an extensible set of alternative access paths is provided, in order to accelerate queries on properties which are not supported by clustering. Clustering and alternative access paths are organized in such a way that redundant storage of objects as well as time consuming reorganizations are avoided. This guarantees flexibility with respect to storage and access of the objects as well as efficient query processing. To support the index manager, we propose a storage method for handling arbitrary long objects, which is suitable in an environment that demands for clustering and multiple indexing.
This work was supported by grant no. Kr 670/4-3 from the Deutsche Forschungsgemeinschaft (German Research Society)
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Kriegel, HP., Heep, P., Heep, S., Schiwietz, M., Schneider, R. (1992). A flexible and extensible index manager for spatial database systems. In: Monien, B., Ottmann, T. (eds) Data structures and efficient algorithms. Lecture Notes in Computer Science, vol 594. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-55488-2_23
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DOI: https://doi.org/10.1007/3-540-55488-2_23
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