Cornac 1.4.1

New features and improvements

• Refactor code in examples (#317)
• CI tools support Python 3.7
• Update and test all tutorials and examples

Cornac 1.4.0

New models and datasets

• Weighted Bayesian Personalized Ranking (WBPR) model (#309)
• Maximum Margin Matrix Factorization (MMMF) model (#310)

New features and improvements

• Reset random number generator for reproducibility (#301)
• Fix issue in NCRR metric (#313)
• Use C++ Boost Random library for reproducibility across platforms (#315)
• Support model saving and loading (#316)

Cornac 1.3.1

New features and improvements

• Add default attributes total_users and total_items to Dataset (#300)

Cornac 1.3.0

New models and datasets

• MovieLens 10M and 20M datasets (#291)

New features and improvements

• Standardize datasets load_feedback() API (#278)
• Add hyperopt for hyper-parameter tuning (#286)
• Show validation results (optional) if exists (#289)
• Update Recommender.rank() to support unknown item scores (#283)
• Support multiple values of K for ranking metrics (#297)
• Tutorial on how to work with auxiliary data (#264)
• Tutorial on hyperparameter search for VAECF (#290)
• Examples for VAECF, VMF, and SoRec (#272, #276, #287)

Cornac 1.2.2

New features and improvements

• Add FilmTrust dataset (#266)
• Update MCF, C2PF, and SoRec models for the compatibility (#261, #262)
• Support retrieving node degree in GraphModality (#267)

Cornac 1.2.1

New features and improvements

• Support UIRT data format (#252)
• Fix bug in AUC metric (#256)
• Tutorial on contributing an evaluation metric (#258)

Cornac 1.2.0

New models

• Multi-Task Explainable Recommendation (MTER) (#238)
• Most Popular (MostPop) ranking baseline (#244)
• Global Average (GlobalAvg) rating baseline (#245)

New features and improvements

• Update VAECF model (#237)
• normalize() function in utils (#248)
• TfidfVectorizer in TextModality (#249)

Cornac 1.1.2

New features and improvements

• Improve documentation of models (#239)
• Update BPR model with removing scaling in score() function (#240)

Cornac 1.1.1

New features and improvements

• Fix bug of list multiplication in ranking_eval() function (#236)

Cornac 1.1.0

New models

• Explicit Factor Model (EFM) (#181)

New features and improvements

• Rename model CF to WMF (#226)

• Remove usage of old Dataset from IBPR model (#227)

• Use Cornac's mini-batch iterator in PCRL (#229)

• Support early stopping for GMF, MLP, and NeuMF (#233)

• Support item negative sampling based on popularity (#228)

• Remove data_utils.py (#230)

• Add Amazon Toys and Games dataset (#179)

• Add Sentiment Modality (#180)

• Add binary argument into uir_iter() (#231

• Move rating and ranking eval functions out for reuse (#232)