Bounding rectangles - PowerPoint PPT Presentation

General problem

General problem. Retrieval of time-series similar to a given pattern . Example: Stock charts. Database of time-series. Example: Stock charts. Database of time-series. Pattern. Example: Stock charts. Database of time-series. Pattern. Retrieval results. Example: Stock charts.

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736 views • 61 slides

System concept and development by: Tony Rees Divisional Data Centre

c-squares - a new method for representing, querying, displaying and exchanging dataset spatial extents. System concept and development by: Tony Rees Divisional Data Centre CSIRO Marine Research, Australia. Topics to be covered. Characteristics of metadata, and metadata spatial searches

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429 views • 40 slides

Indexing in Spatial Databases and Query Processing

Indexing in Spatial Databases and Query Processing. Query Processing. Efficient algorithms to answer spatial queries Common Strategy - filter and refine Filter Step: Query Region overlaps with MBRs (minimum bounding rectangles) of B,C and D

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287 views • 12 slides

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