Subject
- Logging, Skyline -- Mathematical models4
- Recommender systems (Information filtering)4
- Coastal zone management -- Oregon3
- Computer algorithms3
- Data encryption (Computer science)3
- Docks -- Columbia River3
- Douglas fir3
- Force and energy3
- Geographic information systems3
- Java (Computer program language)3
- Willamette River Valley (Or.)3
- Agricultural landscape management2
- Boats and boating -- Columbia River2
- Climatic changes2
- Computer security2
- Forest management2
- Geographic information systems -- Study and teaching2
- Grassland restoration2
- Information storage and retrieval systems -- Water resources development2
- Land use -- Law and legislation -- Oregon2