A Tool to Query and Visualize the Complete SRTM Data Set Indexed by the Q-tree in an Open GIS.
Félix Rodríguez RodríguezJosé Julián Hernández PiñeroManuel Barrena GarcíaPublished in: IGARSS (3) (2008)
Keyphrases
- data sets
- database
- response time
- visual query language
- query evaluation
- data sources
- query processing
- tree nodes
- indexing schemes
- visualization tool
- geographic information systems
- data structure
- databases
- indexing structure
- range queries
- tree structure
- spatial data
- keywords
- spatial databases
- query formulation
- user queries
- classification trees
- spatial queries
- visual representations
- digital elevation models
- remote sensing
- database systems
- tree patterns
- query expansion
- web search
- relevance feedback