Obstructed Nearest Neighbor Query Under Uncertainty in the Internet of Things Environment.
Kun-lun ChenGuang LuChuanwen LiZhang YiTong ZhangPublished in: IEEE Access (2021)
Keyphrases
- nearest neighbor
- nearest neighbor queries
- physical world
- query processing
- response time
- k nearest neighbor
- database
- high dimensional
- data structure
- query evaluation
- user queries
- approximate nearest neighbor
- nearest neighbor search
- mobile robot
- knn
- reverse nearest neighbor
- query terms
- query point
- efficient processing
- nearest neighbor algorithm
- query formulation
- range queries
- virtual world
- index structure
- data objects
- high dimensional data
- dynamic environments
- data sources
- retrieval systems
- relational databases
- rank join