@@ -0,0 +1,14 @@
+﻿// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace MicroBenchmarks
+{
+    public static class Categories
+    {
+        /// <summary>
+        /// benchmarks belonging to this category are executed for MachineLearning CI jobs
+        /// </summary>
+        public const string MachineLearning = "machinelearning";
+    }
+}
I would not add any categories to the ML.NET benchmarks because there will be always just one category.