Sentiment analysis performs better on smaller blocks of text. Key phrase extraction works best when you give it bigger chunks of text to work on, opposite from sentiment analysis. The function requires a text field as input and accepts an optional input for a Language ISO code. The Key phrase extraction function evaluates unstructured text, and for each text field, returns a list of key phrases. For more information, see supported languages. Text Analytics recognizes up to 120 languages. The function expects data in text format as input. This function is useful for data columns that collect arbitrary text, where language is unknown. The Detect language function evaluates text input, and for each field, returns the language name and ISO identifier. This section describes the available functions in Cognitive Services in Power BI. Exceeding this limit causes the query to slow down. You can turn on the AI workload in the workloads section and define the maximum amount of memory you would like this workload to consume. Before you use Cognitive Services in Power BI, you must enable the AI workload in the capacity settings of the admin portal. A separate AI workload on the capacity is used to run Cognitive Services. Cognitive services are also available with a Premium Per User (PPU) license. Enable Text Analytics and Vision on Premium capacitiesĬognitive Services are supported for Premium capacity nodes EM2, A2, or P1 and other nodes with more resources. Using the Text Analytics or Vision features requires Power BI Premium.
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