| The Quadtree and Related Hierarchical Data Structures | ACM Computing Surveys |
- Science: Mathematics: Instruments and machines: Electronic computers. Computer science
- Science: Mathematics: Instruments and machines: Electronic computers. Computer science
- Science: Mathematics: Instruments and machines: Electronic computers. Computer science: Computer software
- Technology: Electrical engineering. Electronics. Nuclear engineering: Electronics: Computer engineering. Computer hardware
- Science: Mathematics: Instruments and machines: Electronic computers. Computer science
| 817 | 1984 |
| Spatially referenced methods of processing raster and vector data | Image and Vision Computing |
- Science: Mathematics: Instruments and machines: Electronic computers. Computer science
- Science: Mathematics: Instruments and machines: Electronic computers. Computer science: Computer software
- Science: Mathematics: Instruments and machines: Electronic computers. Computer science
- Technology: Electrical engineering. Electronics. Nuclear engineering: Electric apparatus and materials. Electric circuits. Electric networks
- Science: Physics: Optics. Light
- Technology: Mechanical engineering and machinery
- Technology: Electrical engineering. Electronics. Nuclear engineering: Electronics
| 35 | 1983 |
| An ontology for linear spatial reasoning | | | | 1996 |
| An ontology for linear spatial reasoning | | | | 1986 |
| US Department of Transport Federal Aviation Administration. Integrated noise model, Version 5.1, US D.O.T.F.A.A, 1996. | | | | |