To enable Power BI to read and visualize real-time Twitter data for sentiment analysis, you need a streaming architecture that captures tweets continuously, processes them for sentiment and keyword extraction, and feeds the data into Power BI for live updates. Since Power BI doesn’t directly connect to Twitter's streaming API, integration typically involves external services like Azure Stream Analytics, Power Automate, and custom APIs.
A popular approach uses Azure Event Hub or Azure Functions to ingest tweets from the Twitter API (using filtered streams or search queries). These tweets are then processed through Azure Stream Analytics, where you can enrich the data with sentiment analysis using Azure Cognitive Services (Text Analytics API). Once the data is scored and structured (e.g., with sentiment scores, hashtags, mentions), you can output it to Power BI using the Stream Analytics Power BI output connector—which enables real-time dashboard visuals.
Alternatively, you can use Power Automate to call Twitter APIs, analyze sentiment using AI Builder, and send the results to a Dataverse table or Azure SQL database, which Power BI can query on a refresh schedule. While this approach isn't truly real-time, it can work well for near-real-time analysis with lower technical overhead.
For production-grade setups, the Azure Stream Analytics pipeline is more scalable and robust. Be sure to implement throttling, authentication handling, and message queuing (like Event Hubs or Service Bus) to manage Twitter API rate limits and ensure high availability.