Multi-User On-Chain and Off-Chain Collaborative Query Optimization Based on Consortium Blockchain.
Jiali WangYunuo LiAiping TanZheng GongYan WangPublished in: WISA (2023)
Keyphrases
- multi user
- query optimization
- database systems
- virtual environment
- query processing
- virtual world
- cost model
- multidatabase systems
- augmented reality
- single user
- user interface
- cardinality estimation
- multi granularity
- cost estimation
- multiple users
- query execution
- data placement
- query execution plans
- efficient execution
- collaborative writing
- semantic query optimization
- query optimizers
- xml data
- query scheduling
- data model
- join queries
- continuous queries
- approximate query answering
- human computer interaction