Research Article
The Impact of Digital Finance on the Commercial Circulation Industry Based on IoT and Big Data
Table 1
Hierarchical classification and key process areas.
| Grade name | Process areas at all levels | Grade characteristics |
| (1) Initial stage | ā | Software process is characterized by disorder, even chaos | (2) Repeatable stages | Demand management | Cost, schedule, and functional characteristics | (3) Defined level | Integrated management | Tailored processes | (4) Managed level | Quantitative process management Software quality management | Collect detailed metrics | (5) Optimization level | Defect prevention Technical innovation management Process change management | ā |
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