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

Table 2

Main statistics of the comparative evaluation. The final outputs are shown in the appendix.

Item	CrowdModeller	Service4Crowd
Task model	2, namely, 1 AVTM and 1 SAM	1
Task instances created by model (round 1)	6, namely, 1 AVTM task and 5 SAM tasks	1
Task instances created by model (round 2)	3, creating 3 new SAM tasks	0
Microtasks performed by workers (round 1)	14	8
Microtasks performed by workers (round 2)	10	7
Task management	Tree structure, that is, an instance tree supporting flexible task decomposition and any number of tasks	Linear structure, that is, a linear stream with fixed task decomposition and task quantity