Mansi Sharma

Fixes #454 and #455 Collaborator now retries the call to the aggregator if federation connection is lost while sending results from collaborator -> aggregator

Adding Google Colab notebook to the MedMNIST 2D example.

Support for parallel experiments in Director Envoy API

4

The Director Envoy flow should be able to run multiple experiments in parallel under one federation.

Fixes #342

change opt treatment and device policy to enum values

2

Fixes #194

Envoys to review plan before experiment starts

2

Adding logic for envoys to review plan before starting the experiment. Set 'review_experiment: True' under 'params' in envoy config to enable review. If any of the envoys rejects the experiment,...

Some fixes to 'tf_3dunet_brats` workspace: 1. Pinning down TF version to 2.8 for this tutorial. The support for `optimizer.get_weights()` has been [removed in the recent versions of TF.](https://github.com/keras-team/tf-keras/issues/442) 2. Update...

Federated Reconstruction for Matrix Factorization in OpenFL

2

[Federated reconstruction](https://arxiv.org/abs/2102.03448) utilizes partially local federated learning where some client parameters are never aggregated on the server. Tensorflow Federated has an [example](https://www.tensorflow.org/federated/tutorials/federated_reconstruction_for_matrix_factorization) and a [blogpost ](https://ai.googleblog.com/2021/12/a-scalable-approach-for-partially-local.html)on federated reconstruction using [MovieLens...