Constrained top-k nearest fuzzy keyword queries on encrypted graph in road network.
Fangyuan SunJia YuXinrui GeMing YangFanyu KongPublished in: Comput. Secur. (2021)
Keyphrases
- road network
- keyword search in relational databases
- keyword queries
- structured data
- graph structure
- keyword search
- shortest path
- query keywords
- xml keyword search
- travel time
- keywords
- moving objects
- nearest neighbor
- search engine
- random walk
- user queries
- weighted graph
- query evaluation
- road segments
- trajectory data
- efficient processing
- directed graph
- three dimensional
- query processing
- semi structured
- map matching
- database
- xml databases
- edge weights
- graphical models
- database schema
- user defined