Models and Query Languages for Temporal Graph Databases. Hasselt University
Databases and Theoretical Computer Science, Buenos Aires Institute of Technology
Property graphs are data structures whose nodes and axes are annotated with a set of attributes that can take different values. That is, each node or edge in the graph has an associated set of pairs (attribute, value). Since real-world information changes across time, it is desirable to keep track of these changes. So far, the database community has not given too much attention to the problem of extending graph databases (databases based on the ...