On the Semantics of "Now" in Databases
James CliffordCurtis E. DyresonTomás IsakowitzChristian S. JensenRichard T. SnodgrassPublished in: ACM Trans. Database Syst. (1997)
Keyphrases
- databases
- database systems
- database
- relational databases
- knowledge discovery
- database updates
- formal semantics
- semantic information
- data model
- logical language
- database applications
- object oriented
- domain knowledge
- information systems
- neural network
- data warehouse
- website
- semantic web
- metadata
- conceptual model
- active rules
- operational semantics
- data sets
- real time