... Source code is generated and then correctly placed in the source tree by ``make'' targets, and then checked into CVS. ... Integrating the generated files into the make scheme for the source tree also posed some challenges. ...
... R-tree indexing of image metadata where images cover a large area; R-trees take into account the spatial extent of the elements contained within them. ...
... Currently, PostgreSQL implements Hash, B-tree and R-tree indices into its database management system. ... An R-tree was created for this purpose, but because it is not possible to define R-trees over more than one column in the ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/reprints/P99-1.pdf -- 66.7 Кб -- 11.03.2003 Похожие документы
... The aim was to make it easier to "see the forest for the trees" by minimizing the number of trees. The implications of this approach were two-fold. ...
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Ссылки http://www.adass.org/adass/proceedings/adass00/reprints/O7-03.pdf -- 73.9 Кб -- 29.05.2001 Похожие документы
... Currently, PostgreSQL implements Hash, B-tree and R-tree indices into its database management system. ... An R-tree was created for this purpose, but because it is not possible to define R-trees over more than one column in the ...
... Any control module of the tree may be used to initiate a scan for the sub-tree under its control because each control module is derived from the same base class (called a Manager) and therefore inherits all of the control protocols required to coordinate ...