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  • Last update: 5 years ago
  • Total downloads: 107
  • Operating system: Win All
  • Publisher: MyMediaLite Team
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windows default iconMyMediaLite Publisher's description

MyMediaLite is a lightweight, multi-purpose library of recommender system algorithms.

MyMediaLite is a lightweight, multi-purpose library of recommender system algorithms.

It addresses the two most common scenarios in collaborative filtering:

rating prediction (e.g. on a scale of 1 to 5 stars), and
item prediction from implicit feedback (e.g. from clicks or purchase actions).
Here are some key features of "MyMediaLite":

В· Dozens of different recommenders
В· Methods can use collaborative and attribute/content data
В· MyMediaLite includes evaluation routines for rating prediction and item prediction; it can measure MAE, RMSE, AUC, prec@N, MAP, and NDCG.
В· It also comes with command line tools for both tasks that read a simple text-based input format.
В· Serialization: save and reload recommender models
В· Real-time incremental updates for many recommenders
В· Attribute-based diversification of recommendation lists

What's New in This Release:

В· MyMediaLite now needs .NET 4.0/Mono 2.8 or later (2.10.x recommended)

В· add multicore support
В· item recommendation evaluation and filtered item rec. evaluation
В· cross-validation for rating prediction and item recommendation
В· distributed SGD

В· API changes
В· add (more abstract) IDataSet interface, and DataSet class
В· rename IItemRecommender to IIncrementalItemRecommender and
В· split off IIncrementalRatingPredictor from IRatingPredictor -
В· to better reflect what those interfaces actually offer
В· add classes IncrementalItemRecommender and
В· IncrementalRatingPredictor (classes for the above interfaces)
В· rename IO.RatingPrediction to IO.RatingData and
В· IO.RatingPredictionStatic to IO.StaticRatingData
В· rename IO.ItemRecommendation to IO.ItemData and
В· IO.ItemRecommendationRatingThreshold to IO.ItemDataRatingThreshold
В· move read/write routines from Util.Recommender to the new static
В· class IO.Model; rename LoadModel() to Load(), SaveModel to Save()
В· RatingPrediction.Prediction.WritePredictions(...

System Requirements:

В· .NET framework 4.0
Program Release Status: Major Update
Program Install Support: Install and Uninstall

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