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Ranking spatial data by quality preference

A spatial preference query ranks objects based on the qualities of features in their spatial neighborhood. For example, using a real estate agency database of flats for lease, a customer may want to rank the flats with respect to the appropriateness of their location, defined after aggregating the qualities of other features (e.g., restaurants, cafes, hospital, market, etc.) within their spatial neighborhood. Such a neighborhood concept can be specified by the user via different functions. It can be an explicit circular region within a given distance from the flat. Another intuitive definition is to assign higher weights to the features based on their proximity to the flat. In this paper, we formally define spatial preference queries and propose appropriate indexing techniques and search algorithms for them. Extensive evaluation of our methods on both real and synthetic data reveals that an optimized branch-and-bound solution is efficient and robust with respect to different parameters.

Taidot: CSS, HTML, MySQL, PSD > HTML, verkkosivujen suunnittelu

Näytä lisää: ranking spatial data quality preference, search algorithms in c, e-circular, e circular, define algorithms, data and algorithms, data algorithms, c search algorithms, bound by design, algorithms search, algorithms defined, algorithms data, agency css, higher quality, website hospital, css definition, cafes, real estate agency website, 2013 query, qualities website, define css, rank agency, css real estate website, quality methods, flats

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( 0 arvostelua ) Bangalore, India

Projektin tunnus: #4229737

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dumindalk

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raviraj445

I have experience on Ranking spatial data by quality preference.

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