50 lines
3.6 KiB
Markdown
50 lines
3.6 KiB
Markdown
# Key Concept
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### Node
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Nodes are the key components of a workflow. By connecting nodes with different functionalities, a series of operations within the workflow are executed. Nodes are categorized by type:
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* Basic Nodes：Start, End, Answer, LLM, Knowledge Retrieval, Applications (coming soon)
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* Question Understand：Quesition Classifier，Question Rewriting (coming soon), Sub-question Splitting (coming soon)
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* Logic Processing：IF/ELSE, Merge (coming soon), Loop (coming soon)
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* Transformation：Code, Template， Variable Assigner, Function Extraction (coming soon)
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* Others：HTTP Request
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* Tools：Built-in Tools, Custom Tools
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### Variables
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Variables are crucial for linking the input and output of nodes within a workflow, facilitating the implementation of complex processing logic throughout the process.
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* Workflows need to define input variables for initiating execution or conversation.
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* Nodes require input variables for initiation; for instance, the input variable for a question classifier typically consists of the user's question.
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* Variables referenced within a node can only be those from preceding process nodes to ensure coherence and avoid duplication.
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* To prevent variable name duplication, node names must be unique.
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* The output variables of a node are fixed by the system and are not subject to modification.
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### Differences between Chatflow and Workflow
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**Application Scenario Differences**
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* **Chatflow**: Targets conversational scenarios and represents an advanced orchestration mode for Chatbot application types.
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* **Workflow**: Geared towards automation and batch processing scenarios.
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**Differences in Nodes**
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| **Node** | **Chatflow** | **Workflow** |
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| ------------------- | --------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------ |
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| Start | Utilizes system-built variables for user input and file uploads | Utilizes system-built variables for file uploads |
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| End | <p>Not support End node<br></p> | Uses an End node to output structured text at the conclusion of execution, which is not designed for mid-process output. |
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| Answer | The Answer node is used for streaming output or fixed text replies and can be utilized mid-process. | Not support Answer node |
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| LLM | Memory is automatically enabled to store and pass on the history of multi-turn dialogues. | <p>Not support Memory configuration<br></p> |
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| Question Classifier | Memory is automatically enabled to store and pass on the history of multi-turn dialogues. | Not Support Memory configuration |
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#### Application Entry Division
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* **Chatflow Entry**:
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<figure><img src="../../.gitbook/assets/image (10) (1) (1).png" alt=""><figcaption></figcaption></figure>
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* **Workflow Entry**:
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<figure><img src="../../.gitbook/assets/image (14) (1) (1).png" alt=""><figcaption></figcaption></figure>
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