When Do You Use an Ellipsis in Python?

In English writing, you can use the ellipsis to indicate that you’re leaving something out. Essentially, you use three dots (…) to replace the content. But the ellipsis doesn’t only exist in prose—you may have seen three dots in Python source code, too. The ellipsis literal (…) evaluates to Python’s Ellipsis. Because Ellipsis is a built-in constant, you can use Ellipsis or … without importing it: >>> >>> … Ellipsis >>> Ellipsis Ellipsis >>> … is Ellipsis True Although three […]

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AI Models vs. AI Systems: Understanding Units of Performance Assessment

As AI becomes more deeply integrated into every aspect of our lives, it is essential that AI systems perform appropriately for their intended use. We know AI models can never be perfect, so how do we decide when AI performance is ‘good enough’ for use in a real life application? Is level of accuracy a sufficient gauge? What else matters? These are questions Microsoft Research tackles every day as part of our mission to follow a responsible, human-centered approach to […]

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Clustering on maps with Elasticsearch

This article explains the process of clusterization on the map using Elasticsearch and Python. What is clusterization? Let’s imagine that we have 10 million geo-points of businesses in the United States. It’s impossible to show them all as separated pins on a map, let alone make it readable. Instead, we want to display groups with the number of businesses based on their region.

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