World explorer: visualizing aggregate data from unstructured text in geo-referenced collections.
Shane AhernMor NaamanRahul NairJeannie Hui-I YangPublished in: JCDL (2007)
Keyphrases
- unstructured text
- geo referenced
- aggregate data
- text mining
- information extraction
- structured data
- statistical data
- metadata
- urban environments
- information retrieval
- statistical databases
- textual data
- semi structured
- data warehouse
- relational model
- spatial objects
- geospatial data
- document collections
- range queries
- scientific literature
- digital libraries
- web documents
- data processing
- data sources