Dual Grid: A New Approach for Robust Spatial Algebra Implementation

  title={Dual Grid: A New Approach for Robust Spatial Algebra Implementation},
  author={Jos{\'e} Antonio Cotelo Lema and Ralf Hartmut G{\"u}ting},
Systems of spatial data types and operations, or spatial algebras, are fundamental for the implementation of spatial database systems. Several designs of such algebras have been proposed in the last decade, and recently commercial DBMS ooer such algebras in the form of extension packages (e.g. data bladess). However, actual implementations are generally severely restricted when compared to designs in the literature. A main reason is that at the implementation level one cannot further ignore the… CONTINUE READING
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Extend - ing a Deductive Object - Oriented Database System with Spatial Data HandlingFacilities

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