⏩ Understanding Document Flows
Document flow in a service
Each service has an Inbox and an Outbox. A physical document is passed into the inbox, and the service processes it to produce a result in the outbox
Note that services might often produce different outputs, for example: an Extractor may produce document field results, whereas Classifiers might produce document groups
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Hiarcial Flow
Documents are connected hierarchically. We can track documents both through a single service and between multiple services.
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