✦ LIBER ✦

Design and implementation of index structures for fuzzy spatial databases

✍ Scribed by Aziz Sözer; Adnan Yazıcı

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 499 KB
Volume: 22
Category: Article
ISSN: 0884-8173
DOI: 10.1002/int.20229

No coin nor oath required. For personal study only.

✦ Synopsis

Over the years database management systems have evolved to include spatially referenced data. Because spatial data are complex and have a number of unique constraints ~i.e., spatial components and uncertain properties!, spatial database systems can be effective only if the spatial data are properly handled at the physical level. Therefore, it is important to develop an effective spatial and aspatial indexing technique to facilitate flexible spatial and/or aspatial querying for such databases. For this purpose we introduce an indexing approach to use ~fuzzy! spatial and ~fuzzy! aspatial data. We use a number of spatial index structures, such as Multilevel Grid File ~MLGF!, G-tree, R-tree, and R * -tree, for fuzzy spatial databases and compare the performances of these structures for various flexible queries.

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