D-Cache Universal Distance Cache for Metric Access Methods 2012 IEEE DOTNET



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D-Cache Universal Distance Cache for Metric Access Methods 2012 IEEE DOTNET
The caching of accessed disk pages has been successfully used for decades in database technology, resulting in effective amortization of I/O operations needed within a stream of query or update requests. However, in modern complex databases, like multimedia databases, the I/O cost becomes a minor performance factor. In particular, metric access methods (MAMs), used for similarity search in complex unstructured data, have been designed to minimize rather the number of distance computations than I/O cost (when indexing or querying). Inspired by I/O caching in traditional databases,…