A Low-Code Framework for Complex Crowdsourcing Work Based on Process Modeling

Table 1

An overview of existing approaches from multiple dimensions.

Dimensions	Approaches
Process definition language	JavaScript [5, 6], Dog [7], Scala [8], Python [9–11], custom modeling [12–16], BPEL [17], BPMN [18, 24]
Control flow mechanism	Iterative [5–7, 11, 12] [14–18, 24], recursive [9, 10], parallel [7–9, 11, 13–18, 24] approach
Data management	Data flow [5–18, 24]
Process development	Text + script [5–8, 10, 11], task template + script [9], editor [10], custom model + configuration [12–16], extended standard model + configuration [17, 18, 24]
Process execution	Static control flow [5–7, 9, 11–18, 24], algorithms based on budget or price [8, 10]