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Название:High-Dimensional Indexing: Transformational Approaches to High-Dimensional Range and Similarity Searches (Lecture Notes in Computer Science)
Автор:Cui Yu
Издательство:Springer
ISBN:3540441999
Дата издания:2002-12-16
Страниц:161
Язык:Английский
Формат:PDF
Размер: 1 MB
In this monograph, we study the problem of h-d indexing and systematically introduce two efficient index structures: one for range queries and the other for similarity queries. Extensive experiments and comparison studies are conducted to demonstrate the superiority of the proposed indexing methods. Many new database applications, such as multimedia databases or stock price information systems, transform important features or properties of data objects into high-dimensional points. Searching for objects based on these features is thus a search of points in this feature space. To support efficient retrieval in such hd databases, indexes are required to prime the search space. Indexes for low-dimensional databases are well studied, whereas most of these application specific indexes are not scaleable with the number of dimensions, and they are not designed to support similarity searches and hd joins.
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