Automatic labeling of nodes

[buddekai]

All labels of the nodes of one study should automatically receive a label in the following form: type+number (e.g., "R1" for the first requirement of a study; the first requirement of another study would also have the label "R1"). The numbers should be increasing from "left" to "right" which means that they might change if you include another node in the beginning of a provenance graph of a study.
Types:
Research question: RQ
Assumption: A
Requirement: R
Data: D
Experiment: E
Qualitative model: QM
Simulation model: SM
Model Building Activity: MBA
Model Analysis Activity: MAA