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STEVEN ZORASTER

Biographic Data

ID7248281
NAMESTEVEN ZORASTER
GIVEN NAMESSTEVEN
FAMILY NAMEZORASTER
SIGNATUREZORASTER S
AFFILIATIONSZycor Inc, Austin, Texas / United States
VERIFIEDNo
TOTAL WORKS3
TOTAL CITATIONS0
WORKS AS AUTHOR3
WORKS AS EDITOR0
FIRST PUBLICATION YEAR1986
LATEST PUBLICATION YEAR1991
H-INDEX0
  • Expert Systems And The Map Label Placement Problem

    STEVEN ZORASTER•ARTICLE•Cartographica The International…•1991

    Computer programs that place feature labels on maps are often cited as the one successful application of expert systems to automatic map compilation. This paper argues that the map label placement programs which are claimed to be expert systems stretch the defining boundaries of expert systems and that the most significant use of expert systems technology in existing label placement programs is an inappropriate use of that technology. The results…

  • Honoring Discontinuities and Other Surface Features During Grid Processing on Vector Computers

    STEVEN ZORASTER•ARTICLE•Cartographica The International…•1987

    This paper describes how certain mathematical smoothing operations can be applied to cartographic grid models using software designed to run on an array processor or supercomputer. The grids may have imbedded surface discontinuities, grid nodes with no assigned node values and grid nodes with fixed values. Many computer programs have been written to produce and to process grids with these characteristics, but when executed against large grids on …

  • Integer Programming Applied To The Map Label Placement Problem

    STEVEN ZORASTER•ARTICLE•Cartographica The International…•1986

    This paper describes a point label placement program that uses a mathematical optimization algorithm to determine the best position for each label. The program detects all label overplots, moves labels to new positions to resolve overplot problems, and deletes labels when absolutely necessary. All tasks are performed without human intervention. The program is designed for use in production mapping application in the oil industry where thousands o…

No prominent works on this page.

  • Integer Programming Applied To The Map Label Placement Problem

    STEVEN ZORASTER•ARTICLE•Cartographica The International…•1986

    This paper describes a point label placement program that uses a mathematical optimization algorithm to determine the best position for each label. The program detects all label overplots, moves labels to new positions to resolve overplot problems, and deletes labels when absolutely necessary. All tasks are performed without human intervention. The program is designed for use in production mapping application in the oil industry where thousands o…

  • Honoring Discontinuities and Other Surface Features During Grid Processing on Vector Computers

    STEVEN ZORASTER•ARTICLE•Cartographica The International…•1987

    This paper describes how certain mathematical smoothing operations can be applied to cartographic grid models using software designed to run on an array processor or supercomputer. The grids may have imbedded surface discontinuities, grid nodes with no assigned node values and grid nodes with fixed values. Many computer programs have been written to produce and to process grids with these characteristics, but when executed against large grids on …

  • Expert Systems And The Map Label Placement Problem

    STEVEN ZORASTER•ARTICLE•Cartographica The International…•1991

    Computer programs that place feature labels on maps are often cited as the one successful application of expert systems to automatic map compilation. This paper argues that the map label placement programs which are claimed to be expert systems stretch the defining boundaries of expert systems and that the most significant use of expert systems technology in existing label placement programs is an inappropriate use of that technology. The results…

Computer Science (3 works) · Artificial Intelligence (2 works) · Constraint Satisfaction and Optimization (2 works) · Data Management and Algorithms (2 works) · Engineering (2 works) · Mathematics (2 works) · Algorithm (1 work) · Classification of discontinuities (1 work) · Computational science (1 work) · Distributed and Parallel Computing Systems (1 work)

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