示例#1
0
        public static long UploadDataAndTrainModel(string modelId, BuildType buildType = BuildType.Recommendation)
        {
            long buildId = -1;
            // Trigger a recommendation build.
            string operationLocationHeader;

            if (buildType == BuildType.Recommendation)
            {
                buildId = reco.CreateRecommendationsBuild(modelId, "Recommendation Build " + DateTime.UtcNow.ToString("yyyyMMddHHmmss"),
                                                          enableModelInsights: false,
                                                          operationLocationHeader: out operationLocationHeader);
            }
            else
            {
                buildId = reco.CreateFbtBuild(modelId, "Frequenty-Bought-Together Build " + DateTime.UtcNow.ToString("yyyyMMddHHmmss"),
                                              enableModelInsights: false,
                                              operationLocationHeader: out operationLocationHeader);
            }

            // Monitor the build and wait for completion.
            var buildInfo = reco.WaitForOperationCompletion <BuildInfo>(RecommendationsApiWrapper.GetOperationId(operationLocationHeader));

            // Waiting  in order to propagate the model updates from the build...
            Thread.Sleep(TimeSpan.FromSeconds(40));


            reco.SetActiveBuild(modelId, buildId);

            return(buildId);
        }
        /// <summary>
        /// 1) Builds a recommendations model and upload catalog and usage data
        /// 2) Triggers a model build and monitor the build operation status
        /// 3) Sets the build as the active build for the model.
        /// 4) Requests item recommendations
        /// 5) Requests user recommendations
        /// </summary>
        public static void Main(string[] args)
        {
            // Initialize helper with username and API key.
            var    recommender = new RecommendationsApiWrapper(AccountKey, BaseUri);
            string modelId     = string.Empty;

            try
            {
                if (String.IsNullOrEmpty(AccountKey))
                {
                    Console.WriteLine("Please enter your API key to run this sample.");
                    Console.ReadKey();
                    return;
                }

                modelId = "a2d93304-457c-4c6c-9a23-4320a58fbe27";
                long buildId = 1558644;
                var  itemId  = "FKF-00908";

                var recommendations = recommender.GetRecommendations(modelId, buildId, itemId, 3);
                foreach (var rec in recommendations.RecommendedItemSetInfo)
                {
                    foreach (var item in rec.Items)
                    {
                        Console.WriteLine("Item id: {0} \n Item name: {1} \t (Rating  {2})", item.Id, item.Name, rec.Rating);
                    }
                }

                //            // Create a new model.
                //            Console.WriteLine("Creating a new model {0}...", ModelName);
                //            ModelInfo modelInfo = recommender.CreateModel(ModelName, "Sample model");
                //            modelId = modelInfo.Id;
                //            Console.WriteLine("Model '{0}' created with ID: {1}", ModelName, modelId);

                //            // Import data to the model.
                //            var resourcesDir = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Resources");
                //            Console.WriteLine("Importing catalog files...");
                //foreach (string catalog in Directory.GetFiles(resourcesDir, "catalog*.csv"))
                //            {
                //                var catalogFile = new FileInfo(catalog);
                //                recommender.UploadCatalog(modelId, catalogFile.FullName, catalogFile.Name);
                //            }

                //            Console.WriteLine("Importing usage data...");
                //            foreach (string usage in Directory.GetFiles(resourcesDir, "usage*.csv"))
                //            {
                //                var usageFile = new FileInfo(usage);
                //                recommender.UploadUsage(modelId, usageFile.FullName, usageFile.Name);
                //            }


                //            // Trigger a recommendation build.
                //            string operationLocationHeader;
                //            Console.WriteLine("Triggering build for model '{0}'. \nThis will take a few minutes...", modelId);
                //            var buildId = recommender.CreateRecommendationsBuild(modelId, "build of " + DateTime.UtcNow.ToString("yyyyMMddHHmmss"),
                //                                                                 enableModelInsights: false,
                //                                                                 operationLocationHeader: out operationLocationHeader);

                //            // Monitor the build and wait for completion.
                //            Console.WriteLine("Monitoring build {0}", buildId);
                //            var buildInfo = recommender.WaitForBuildCompletion(operationLocationHeader);
                //            Console.WriteLine("Build {0} ended with status {1}.\n", buildId, buildInfo.Status);

                //            if (String.Compare(buildInfo.Status, "Succeeded", StringComparison.OrdinalIgnoreCase) != 0)
                //            {
                //                Console.WriteLine("Build {0} did not end successfully, the sample app will stop here.", buildId);
                //                Console.WriteLine("Press any key to end");
                //                Console.ReadKey();
                //                return;
                //            }

                //            // Waiting  in order to propagate the model updates from the build...
                //            Console.WriteLine("Waiting for 40 sec for propagation of the built model...");
                //            Thread.Sleep(TimeSpan.FromSeconds(40));

                // The below api is more meaningful when you want to give a certain build id to be an active build.
                // Currently this app has a single build which is already active.
                Console.WriteLine("Setting build {0} as active build.", buildId);
                recommender.SetActiveBuild(modelId, buildId);

                // Now we are ready to get recommendations!

                // Get item to item recommendations. (I2I)
                Console.WriteLine();
                Console.WriteLine("Getting Item to Item Recommendations for The Piano Man's Daughter");
                const string itemIds  = "6485200";
                var          itemSets = recommender.GetRecommendations(modelId, buildId, itemIds, 6);
                if (itemSets.RecommendedItemSetInfo != null)
                {
                    foreach (RecommendedItemSetInfo recoSet in itemSets.RecommendedItemSetInfo)
                    {
                        foreach (var item in recoSet.Items)
                        {
                            Console.WriteLine("Item id: {0} \n Item name: {1} \t (Rating  {2})", item.Id, item.Name, recoSet.Rating);
                        }
                    }
                }
                else
                {
                    Console.WriteLine("No recommendations found.");
                }

                // Now let's get a user recommendation (U2I)
                Console.WriteLine();
                Console.WriteLine("Getting User Recommendations for User:"******"142256";
                itemSets = recommender.GetUserRecommendations(modelId, buildId, userId, 6);
                if (itemSets.RecommendedItemSetInfo != null)
                {
                    foreach (RecommendedItemSetInfo recoSet in itemSets.RecommendedItemSetInfo)
                    {
                        foreach (var item in recoSet.Items)
                        {
                            Console.WriteLine("Item id: {0} \n Item name: {1} \t (Rating  {2})", item.Id, item.Name, recoSet.Rating);
                        }
                    }
                }
                else
                {
                    Console.WriteLine("No recommendations found.");
                }

                Console.WriteLine("Press any key to end");
                Console.ReadKey();
            }
            finally
            {
                // Uncomment the line below if you wish to delete the model.
                // Note that you can have up to 10 models at any time.
                // You may have up to 20 builds per model.
                //recommender.DeleteModel(modelId);
            }
        }
示例#3
0
        /// <summary>
        /// Creates a model, upload catalog and usage files and trigger a build.
        /// Returns the Build ID of the trained build.
        /// </summary>
        /// <param name="recommender">Wrapper that maintains API key</param>
        /// <param name="buildType">The type of build. (Recommendation or FBT)</param>
        /// <param name="modelId">The model Id</param>
        public static long UploadDataAndTrainModel(string modelId, BuildType buildType = BuildType.Recommendation)
        {
            long buildId = -1;

            // Import data to the model.
            Console.WriteLine("Importing catalog files...");

            int catalogFilesCount = 0;

            foreach (string catalog in Directory.GetFiles(ProductCatalogPath, "*.*"))
            {
                var catalogFile = new FileInfo(catalog);
                recommender.UploadCatalog(modelId, catalogFile.FullName, catalogFile.Name);
                catalogFilesCount++;
            }

            Console.WriteLine("Imported {0} catalog files.", catalogFilesCount);


            Console.WriteLine("Importing usage files...");
            int usageFilesCount = 0;

            foreach (string usage in Directory.GetFiles(UsageFilesPath, "*.*"))
            {
                var usageFile = new FileInfo(usage);
                recommender.UploadUsage(modelId, usageFile.FullName, usageFile.Name);
                usageFilesCount++;
            }

            Console.WriteLine("Imported {0} usage files.", usageFilesCount);

            #region training
            // Trigger a recommendation build.
            string operationLocationHeader;
            Console.WriteLine("Triggering build for model '{0}'. \nThis will take a few minutes...", modelId);
            if (buildType == BuildType.Recommendation)
            {
                buildId = recommender.CreateRecommendationsBuild(modelId, "Recommendation Build " + DateTime.UtcNow.ToString("yyyyMMddHHmmss"),
                                                                 enableModelInsights: false,
                                                                 operationLocationHeader: out operationLocationHeader);
            }
            else
            {
                buildId = recommender.CreateFbtBuild(modelId, "Frequenty-Bought-Together Build " + DateTime.UtcNow.ToString("yyyyMMddHHmmss"),
                                                     enableModelInsights: false,
                                                     operationLocationHeader: out operationLocationHeader);
            }

            // Monitor the build and wait for completion.
            Console.WriteLine("Monitoring build {0}", buildId);
            var buildInfo = recommender.WaitForOperationCompletion <BuildInfo>(RecommendationsApiWrapper.GetOperationId(operationLocationHeader));
            Console.WriteLine("Build {0} ended with status {1}.\n", buildId, buildInfo.Status);

            if (String.Compare(buildInfo.Status, "Succeeded", StringComparison.OrdinalIgnoreCase) != 0)
            {
                Console.WriteLine("Build {0} did not end successfully, the sample app will stop here.", buildId);
                Console.WriteLine("Press any key to end");
                Console.ReadKey();
                return(-1);
            }

            // Waiting  in order to propagate the model updates from the build...
            Console.WriteLine("Waiting for 40 sec for propagation of the built model...");
            Thread.Sleep(TimeSpan.FromSeconds(40));

            // The below api is more meaningful when you want to give a certain build id to be an active build.
            // Currently this app has a single build which is already active.
            Console.WriteLine("Setting build {0} as active build.", buildId);
            recommender.SetActiveBuild(modelId, buildId);
            #endregion

            return(buildId);
        }