Data processing: database and file management or data structures – Database design – Data structure types
Patent
1997-09-23
2000-11-07
Black, Thomas G.
Data processing: database and file management or data structures
Database design
Data structure types
707 4, 707104, 707 6, 345329, 345203, G06F 1730
Patent
active
061449563
ABSTRACT:
In a DB retrieval method, a two-step retrieval including quantitative and qualitative retrievals is interactively performed so that, through the operation of image information (e.g. map information) having a correspondence to a DB having text information such as attribute information stored therein, attribute information corresponding to the map information is retrieved from the DB. The quantitative retrieval includes a DB information reading process for reading image information, attribute information and information relevant thereto, and a quantitative retrieval process for making a quantitative retrieval including the partial overlaying of another information for retrieval on the original image information (or map information) or a rough retrieval with the other information used as a retrieval key called information lens, and storing the result of retrieval into a work file. The qualitative retrieval includes a DB information reading process for reading image information, attribute information and information relevant thereto, which are stored in the work file, and a qualitative retrieval process for making a qualitative retrieval in which the original image information (or map information) is overlaid with a retrieval key called a function sheet including the composition of a qualitative retrieval condition and an image indicative of a range of application of the retrieval condition, and displaying the result of retrieval on terminal.
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Akifuji Shunsuke
Kagaya Noritsugu
Okuda Hiroyuki
Tamano Maki
Yajima Hiroshi
Black Thomas G.
Hitachi , Ltd.
Rones Charles L.
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