Toward Optimal Tradeoff Between Data Freshness and Update Cost in Information-Update Systems.
Zhongdong LiuBin LiZizhan ZhengY. Thomas HouBo JiPublished in: IEEE Internet Things J. (2023)
Keyphrases
- raw data
- computer systems
- complex data
- historical data
- data repositories
- huge amounts
- background knowledge
- processing capabilities
- data sets
- information sources
- enormous amounts
- prior knowledge
- information resources
- data processing
- data collection
- external data
- special features
- global information
- sensitive information
- information services
- data quality
- training data
- collected data
- missing data
- data sources
- structural information
- storage systems
- data formats
- legacy systems
- information sharing
- spatial data
- sensor data
- input data
- information extraction
- end users
- data analysis
- databases
- log data
- database
- private information
- background information
- data points
- dynamic programming
- computational complexity
- frequent updates