Indexing for Moving Objects in Multi-Floor Indoor Spaces That Supports Complex Semantic Queries.
Hui LinLing PengSi ChenTianyue LiuTianhe ChiPublished in: ISPRS Int. J. Geo Inf. (2016)
Keyphrases
- moving objects
- database
- complex queries
- moving object databases
- indexing techniques
- query processing
- indexing methods
- access methods
- high level
- range queries
- query language
- semantic web
- response time
- motion segmentation
- textual descriptions
- spatio temporal
- semantic indexing
- semantic query
- information retrieval
- user queries
- web search engines
- query evaluation
- video sequences
- inverted file
- complex data types
- indexing method
- efficient processing
- inverted index
- background subtraction
- query optimization
- image sequences
- database systems
- computer vision
- search engine