Core Curriculum-Geographic Information Systems (1990)
Parent: National Center for Geographic Information and Analysis
eScholarship stats: History by Item for July through October, 2026
| Item | Title | Total requests | 2026-10 | 2026-09 | 2026-08 | 2026-07 |
|---|---|---|---|---|---|---|
| 5zx5f7bs | Unit 39 - The TIN Model | 216 | 82 | 57 | 59 | 18 |
| 0vq669p7 | Unit 16 - Output | 175 | 106 | 29 | 21 | 19 |
| 16g2v9qg | Introduction to the Core Curriculum in GIS | 161 | 60 | 45 | 29 | 27 |
| 3jv1g09f | Unit 37 - Quadtree Algorithms and Spatial Indexes | 151 | 49 | 48 | 37 | 17 |
| 0j4408cz | Unit 31 - Efficient Storage of Lines - Chain Codes | 143 | 54 | 40 | 30 | 19 |
| 28q7m9sg | Unit 55 - Facilities Management (AM/FM) | 141 | 29 | 75 | 28 | 9 |
| 9ff0v5vz | Outline of the Core Curriculum in GIS | 119 | 36 | 42 | 26 | 15 |
| 02p486cx | Unit 40 - Spatial Interpolation I | 116 | 41 | 18 | 33 | 24 |
| 71p6229c | Unit 01 - What is GIS? | 116 | 31 | 28 | 30 | 27 |
| 9pq5d78q | Unit 23 - History of GIS | 115 | 22 | 47 | 31 | 15 |
| 4zc0p1k8 | Unit 45 - Accuracy of Spatial Databases | 114 | 37 | 52 | 18 | 7 |
| 9pd0b1mz | Unit 36 - Hierarchical Data Structures | 114 | 42 | 18 | 47 | 7 |
| 3329925c | Unit 47 - Fractals | 112 | 41 | 21 | 39 | 11 |
| 66q2j4fq | Unit 08 - Socio-Economic Data | 108 | 22 | 46 | 26 | 14 |
| 9sm662vp | Unit 67 - Implementation Issues | 108 | 37 | 14 | 45 | 12 |
| 81k0v7n3 | Unit 04 - The Raster GIS | 107 | 30 | 42 | 23 | 12 |
| 6z75t82q | Unit 32 - Simple Algorithms I - Intersection of Lines | 105 | 35 | 19 | 38 | 13 |
| 69m3f604 | Unit 26 - General Coordinate Systems | 104 | 31 | 20 | 32 | 21 |
| 9m14w1tt | Unit 35 - Raster Storage | 103 | 35 | 34 | 26 | 8 |
| 5br2x94c | Unit 57 - Decision Making Using Multiple Criteria | 102 | 30 | 44 | 21 | 7 |
| 86g5r52k | Unit 07 - Data Input | 102 | 27 | 19 | 44 | 12 |
| 80j3m2nj | Unit 70 - Legal Issues | 100 | 38 | 36 | 11 | 15 |
| 0nt2s7d5 | Unit 10 - Spatial Databases as Models of Reality | 97 | 28 | 30 | 24 | 15 |
| 6t58m136 | Unit 51 - GIS Application Areas | 96 | 30 | 42 | 19 | 5 |
| 1kk4b1wz | Unit 27 - Map Projections | 94 | 34 | 23 | 28 | 9 |
| 6rk5b20r | Unit 13 - The Vector or Object GIS | 94 | 33 | 31 | 25 | 5 |
| 7dk4323p | Unit 50 - Color | 92 | 34 | 17 | 36 | 5 |
| 1pt240f8 | Unit 11 - Spatial Objects and Database Models | 87 | 33 | 22 | 27 | 5 |
| 2gv1b75d | Unit 65 - Costs and Benefits | 85 | 40 | 15 | 24 | 6 |
| 3xx402kq | Unit 46 - Managing Error | 84 | 33 | 17 | 26 | 8 |
| 32w746gn | Unit 28 - Affine and Curvilinear Transformations | 83 | 34 | 19 | 23 | 7 |
| 9n10v5m2 | Unit 03 - Introduction to Computers | 78 | 28 | 22 | 23 | 5 |
| 24c203gf | Unit 34 - The Polygon Overlay Operation | 77 | 21 | 11 | 33 | 12 |
| 3920d15f | Unit 22 - The Object/Layer Debate | 77 | 25 | 18 | 21 | 13 |
| 1s9819x8 | Unit 14 - Vector GIS Capabilities | 76 | 38 | 18 | 16 | 4 |
| 2rq7m7xm | Unit 21 - The Raster/Vector Database Debate | 76 | 34 | 24 | 14 | 4 |
| 41m300w2 | Unit 54 - Cadastral Records and LIS | 76 | 16 | 31 | 17 | 12 |
| 43j3h2qr | Unit 33 - Simple Algorithms II - Polygons | 76 | 22 | 19 | 26 | 9 |
| 3jf075sv | Unit 42 - Temporal and Three-Dimensional Representations | 73 | 30 | 19 | 15 | 9 |
| 4w56k0zb | Unit 75 - The Future of GIS | 73 | 26 | 14 | 27 | 6 |
| 7gn5d8zm | Unit 43 - Database Concepts I | 72 | 36 | 22 | 8 | 6 |
| 87g7j63x | Unit 69 - GIS Standards | 71 | 26 | 17 | 22 | 6 |
| 9733d21b | Unit 73 - GIS and Spatial Cognition | 71 | 29 | 14 | 24 | 4 |
| 9zq9c18g | Unit 60 - System Planning Overview | 70 | 23 | 19 | 17 | 11 |
| 2b61h21v | Unit 61 - Functional Requirements Study | 69 | 24 | 13 | 17 | 15 |
| 32z017q8 | Unit 41 - Spatial Interpolation II | 69 | 26 | 10 | 22 | 11 |
| 16d7d2wh | Unit 38 - Digital Elevation Models | 68 | 26 | 17 | 18 | 7 |
| 3xt3r5gd | Unit 18 - Modes of User/GIS Interaction | 65 | 27 | 18 | 12 | 8 |
| 6fj5w9f4 | Unit 72 - GIS and Global Science | 63 | 22 | 6 | 20 | 15 |
| 60v3x04h | Unit 02 - Maps and Map Analysis | 62 | 29 | 15 | 14 | 4 |
Note: Due to the evolving nature of web traffic, the data presented here should be considered approximate and subject to revision. Learn more.