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The inference schema is a structure that defines what should be done and in which way while making predictions. |
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The inference schema is a JSON configuration file defining the object types that will be available for the classification as well as the properties for which the metadata extraction should be done. At the same time, each internal aiObjectTypeId for classification or aiPropertyId for metadata extraction gets a corresponding objectTypeId in the case of classification, or propertyId in the case of metadata extraction, which will be used in the response bodies of the classification and extraction endpoints to be compatible with the connected client application.
The inference schema also defines whether the particular mapping is enabled or disabled, and also timeouts, allowed values, patterns that should be met, external validation services to be called, etc.
The inference schema can be defined for a specific tenant, or for the whole instance. If defined, the tenant-specific inference schema will override the global inference schema.
{
"tenant" : "ACME Inc.",
"appName" : "InvoiceBatchProcessing",
"classification" : {
"enabled" : true,
"timeout" : 2,
"aiClassifierId" : "DOCUMENT_CLASSIFICATION",
"objectTypes": [
{
"objectTypeId" : "invoiceIn",
"aiObjectTypeId" : "AI_INVOICE"
},
{
"objectTypeId" : "invoiceOut",
"aiObjectTypeId" : "AI_INVOICE"
},
{
"objectTypeId" : "creditMemoIn",
"aiObjectTypeId" : "AI_CREDIT_MEMO"
},
{
"objectTypeId" : "creditMemoOut",
"aiObjectTypeId" : "AI_CREDIT_MEMO"
}
},
"extraction" : {
"enabled" : true,
"timeout" : 5,
"objects" : [
{
"objectTypeId" : "invoiceIn",
"enabled" : true,
"timeout" : 10,
"propertyReference" : [
{
"propertyId" : "companyName",
"aiPropertyId" : "AI_INVOICE_COMPANY_NAME",
"allowedValues" : ["Lufthansa", "KLM", "Swiss"],
"pattern" : "/^[a-z]|\\d?[a-zA-Z0-9]?[a-zA-Z0-9\\s&@.]+$",
"validationService" : "os_company_name_validation_service",
"maxNumberOfPredictions" : 5
},
{
"propertyId" : "baseAmount",
"aiPropertyId" : "AI_BASE_AMOUNT",
"pattern" : "^[0-9]*[.][0-9]*$",
"validationService" : "os_amounts_validation_service",
"maxNumberOfPredictions" : 1
},
{
"propertyId" : "totalAmount",
"aiPropertyId" : "AI_INVOICE_TOTAL_AMOUNT",
"pattern" : "^[0-9]*[.][0-9]*$",
"validationService" : "os_amounts_validation_service",
"maxNumberOfPredictions" : 1
},
{
"propertyId" : "invoiceDate",
"aiPropertyId" : "AI_INVOICE_DATE",
"pattern" : "^[0-9]*[.][0-9]*$",
"validationService" : "os_dates_validation_service",
"maxNumberOfPredictions" : 1
}
]
},
{
"objectTypeId" : "invoiceOut",
"enabled" : true,
"timeout" : 10,
"propertyReference" : [
{
"propertyId" : "companyName",
"aiPropertyId" : "AI_INVOICE_COMPANY_NAME",
"allowedValues" : ["Lufthansa", "KLM", "Swiss"],
"pattern" : "/^[a-z]|\\d?[a-zA-Z0-9]?[a-zA-Z0-9\\s&@.]+$",
"validationService" : "os_company_name_validation_service",
"maxNumberOfPredictions" : 5
},
{
"propertyId" : "totalAmount",
"aiPropertyId" : "AI_INVOICE_TOTAL_AMOUNT",
"pattern" : "^[0-9]*[.][0-9]*$",
"validationService" : "os_amounts_validation_service",
"maxNumberOfPredictions" : 1
}
]
},
{
"objectTypeId" : "creditMemoIn",
"enabled" : true,
"timeout" : 10,
"propertyReference" : [
{
"propertyId" : "companyName",
"aiPropertyId" : "AI_CREDIT_MEMO_TOTAL_AMOUNT",
"allowedValues" : ["Lufthansa", "KLM", "Swiss"],
"pattern" : "/^[a-z]|\\d?[a-zA-Z0-9]?[a-zA-Z0-9\\s&@.]+$",
"validationService" : "os_company_name_validation_service",
"maxNumberOfPredictions" : 5
},
{
"propertyId" : "totalAmount",
"aiPropertyId" : "AI_CREDIT_MEMO_TOTAL_AMOUNT",
"pattern" : "^[0-9]*[.][0-9]*$",
"validationService" : "os_amounts_validation_service",
"maxNumberOfPredictions" : 1
}
]
},
{
"objectTypeId" : "creditMemoOut",
"enabled" : true,
"timeout" : 10,
"propertyReference" : [
{
"propertyId" : "companyName",
"aiPropertyId" : "AI_CREDIT_MEMO_TOTAL_AMOUNT",
"allowedValues" : ["Lufthansa", "KLM", "Swiss"],
"pattern" : "/^[a-z]|\\d?[a-zA-Z0-9]?[a-zA-Z0-9\\s&@.]+$",
"validationService" : "os_company_name_validation_service",
"maxNumberOfPredictions" : 5
},
{
"propertyId" : "totalAmount",
"aiPropertyId" : "AI_CREDIT_MEMO_TOTAL_AMOUNT",
"pattern" : "^[0-9]*[.][0-9]*$",
"validationService" : "os_amounts_validation_service",
"maxNumberOfPredictions" : 1
}
]
}
]
}
} |
The following parameters are available in the inference schema:
| Parameter | Description | |||
|---|---|---|---|---|
tenant | Tenant for which the inference schema will be applied. | |||
appName | Optional parameter: name of the app that uses the inference schema. Other apps within the tenant cannot use this inference schema but only their own app-specific inference schema or the tenant-wide inference schema. | |||
classification | Section of parameters for classification processes. | |||
enabled | Boolean value specifying whether the document classification is activated (true) or deactivated (false). | |||
timeout | Time limit for the determination of a classification prediction in seconds. An error will be thrown if the calculation process could not be finished before the | |||
aiClassifierId | ID in the AI platform dictionary defining the model that will be used for the classification process. | |||
objectTypes | A list of mappings, each of them containing the following keys. This list defines the object types that are available for the classification prediction. | |||
objectTypeId | The identification of an object type as it will appear in prediction response bodies. You can define a concatenation of several secondary object type IDs, catalog values, etc. that can be interpreted by your client application to show the prediction results in a proper format. | |||
aiObjectTypeId | ID of the internal class used within the Artificial Intelligence platform, especially in its dictionary. | |||
extraction | Section of parameters for metadata extraction processes. | |||
enabled | Boolean value specifying whether the metadata extraction is activated (true) or deactivated (false). | |||
timeout | Time limit for the determination of extraction predictions in seconds. The result will be returned even if the calculation process is still running for some models. Those models will be excluded from the response. | |||
objects | List of mappings for the individual object types containing the following keys. This list defines the object types for which metadata extraction will be available. | |||
objectTypeId | The ID of the object type as it will be referenced within each object's metadata in the property system:objectTypeId. This property has to be set already during the object creation in yuuvis® Momentum and is thus always assigned to any object to be processed. The available object types are defined in the yuuvis® Momentum schema. | |||
enabled | Boolean value specifying whether the metadata extraction is activated ( Ignored if | |||
timeout | Optional time limit in seconds overwriting The result will be returned even if the calculation process is still running for some models. Those models will be excluded from the response. | |||
propertyReference | A list of mappings, each of them containing the following keys. This list defines the properties for wich metadata should be extracted for an object of type objectTypeId. | |||
propertyId | The identification of a property as it will appear in prediction response bodies. You can define a concatenation of several secondary object type IDs, catalog values etc. that can be interpreted by your client application to show the prediction results in proper format. | |||
aiPropertyId | ID of the internal property used within the Artificial Intelligence platform, especially in its dictionary. | |||
allowedValues | Optional limitation of the prediction response: List of values for the property specified by propertyId. Only values specified in this list are allowed as prediction results of the metadata extraction. | |||
pattern | Optional limitation of the prediction response: Condition for values for the property specified by propertyId. Only values matching the condition are allowed as prediction results of the metadata extraction. | |||
validationService | Optional parameter: URL of an endpoint for further validation of the value determined for the property specified by Note: Not available in the beta version where the connection of an additional validation service needs more configuration steps. | |||
maxNumberOfPredictions | Optional parameter: An integer value defining the maximum number of values included in the prediction response for the property If not specified, the default value | |||
In order to use the Artificial Intelligence Platform with a client application based on our client libraries (e.g., yuuvis® client as a reference implementation), objectTypeId has to be defined as a concatenation of app name and SOTs separated by pipes as can be seen in the following example:
{
"tenant" : "os__papi",
"appName" : "AIInvoiceClient",
"classification" : {
"enabled" : true,
"timeout" : 10,
"aiClassifierId" : "DOCUMENT_CLASSIFICATION",
"objectTypes": [
{
"objectTypeId" : "appImpulse:hrdocsot|appImpulse:hrDocumentType|Bescheinigung",
"aiObjectTypeId" : "appImpulse:contractsot"
},
{
"objectTypeId" : "appImpulse:receiptsot",
"aiObjectTypeId" : "appImpulse:hrdocsot"
},
{
"objectTypeId" : "appImpulse:contractsot|appImpulse:contractType|Arbeitsvertrag",
"aiObjectTypeId" : "appImpulse:receiptsot"
},
{
"objectTypeId" : "appImpulse:hrdocsot|appImpulse:hrDocumentType|Arbeitsvertrag",
"aiObjectTypeId" : "appImpulse:basedocumentsot"
}
]
}
} |
The inference schema is a part of the Artificial Intelligence Platform and can run only in combination with the other included services.
The inference schema is a part of the Artificial Intelligence Platform and can run only in combination with the other included services.
Performed via endpoints of the KAIROS-API Service service.
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