Querying Heterogeneous Spatial Databases: Combining an Ontology with Similarity Functions.
Mariella GutiérrezM. Andrea RodríguezPublished in: ER (Workshops) (2004)
Keyphrases
- spatial databases
- similarity function
- spatial data
- distance function
- pairwise
- similarity measure
- r tree
- spatial objects
- geographical information systems
- spatial join
- range queries
- kernel methods
- spatial database systems
- data quality
- databases
- geographic information systems
- query language
- image processing
- road network
- database
- semi algebraic
- similarity search
- spatial relationships
- mixed data
- dot product
- query processing
- data sets