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In the context of a machine learning pipeline, specifically within the train.py file in UiPath AI models, the function responsible for persisting the trained model is typically named save(self). This function is invoked after the model has been trained, and it ensures that the model's state, weights, and configurations are saved to disk or another persistent storage medium. The saved model can then be reused for inference or further fine-tuning in future executions.

For more details, refer to:

UiPath AI Center Documentation: Training Models

Model Persistence: Saving Machine Learning Models in AI Center

| Step | Description |

| ---- | -------------------------------------------------------------------------------------- |

| 1 | Click "Taxonomy Manager" in the Studio Design ribbon then click Taxonomy. |

| 2 | Create a Category by clicking "+ Category" and then click the created Category. |

| 3 | Create a Group by clicking "+ Group" and then click the created Group. |

| 4 | Create a Document Type by clicking "+ Document Type" and then click the Document Type. |

To define a document structure that theDocument Understanding frameworkcan classify and extract from, the following hierarchical structure must be created in theTaxonomy Manager:

Taxonomy Manager– Launch from theDesign ribbonin Studio.

Category– Top-level classification (e.g., Financial, HR, Legal).

Group– Sub-division under a category (e.g., Invoices, Contracts).

Document Type– Specific type of document (e.g., Vendor Invoice, NDA).

This structure is required for theClassify Document Scopeactivity to function properly.

????UiPath Documentation Reference:

Taxonomy Manager – UiPath DU

Document Types and Categories

 Adding missed labels helps improve the label precision and recall in UiPath Communications Mining. Precision is the percentage of correctly labeled verbatims out of all the verbatims that have the label applied, while recall is the percentage of correctly labeled verbatims out of all the verbatims that should have the label applied. By adding missed labels, you are increasing the recall of the label, as you are reducing the number of false negatives (verbatims that should have the label but do not). This also improves the precision of the label, as you are reducing the noise in the data and making the label more informative and consistent. Adding missed labels is one of the recommended actions that the platform suggests to improve the model rating and performance of the labels.

In UiPath Communications Mining, the term Coverage refers to the proportion of messages in the dataset that have informative label predictions. This is an important metric that indicates how much of the dataset the model is able to classify with meaningful and relevant labels. High coverage means that the model is effectively assigning labels to a large portion of the data, which is crucial for ensuring the model’s usefulness in automating communication mining tasks.

For more details, refer to:

UiPath Communications Mining Performance Factors: Model Coverage and Accuracy

Communications Mining: Coverage and Other Metrics

If Label X has 80% precision at a given confidence threshold, this means that out of every 100 messages predicted to have Label X, 80 are correctly labelled, and 20 are incorrectly assigned the label. Precision measures the correctness of predictions made, so in this case, 80% of the predictions were correct, while 20% were false positives​

When migrating a schema from Document Manager to a Modern Project, UiPath will override any existing schema associated with the document type if you attempt to import a new schema. This behavior is confirmed in UiPath's handling of document types and schema imports, where the new schema will replace the old one, ensuring that the latest version is applied to the project. This helps maintain consistency in schema configurations during migrations, especially when schemas are updated or need to be standardized

Comprehensive and Detailed Explanation From Exact Extract:

Variables in UiPath are scoped to thecontainer (e.g., Sequence, Flowchart, or State Machine)where they are defined. Thebroadest scope possibleis theentire outermost workflow (e.g., Main.xaml).

Global variables across multiple workflowsrequire use ofargumentsor storage inassets or config files, not regular variables.

UiPath Documentation Reference:Variables Panel – Scope Concept

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According to the UiPath documentation, a UiPath Communications Mining taxonomy is a collection of all the labels applied to the verbatims in a dataset, structured in a hierarchical manner. Labels are the concepts and intents that you want to capture in the dataset to suit your specific objectives. When you import your taxonomy from a spreadsheet, you need to provide the label descriptions, which are the names of the labels and their level in the hierarchy. Label predictions and entity predictions are the outputs of the model training process, and they are not part of the taxonomy. Entity descriptions are the definitions of the entities that you want to extract from the verbatims, and they are not part of the taxonomy either.

In UiPath's Taxonomy Manager, the "Possible values" rule should be used when a text field can have one of several predefined values. This ensures that the extracted data is validated against a list of acceptable values, helping to maintain consistency and accuracy during the extraction process. It is particularly useful for fields such as status indicators or categorical fields where only a limited set of options is valid.

(Source: UiPath Taxonomy Manager documentation)

In UiPath Communications Mining, the Label Summary report tab provides a high-level overview and statistics on all labels. This summary gives insights into the performance and distribution of labels across the dataset, helping users understand how well the model is classifying different types of communications.

For more details, refer to:

UiPath Communications Mining Documentation: Label Summary Reports