Deepmatch

DeepMatch

Major Features and Improvements
- Add [ComiRec](https://deepmatch.readthedocs.io/en/latest/Features.html#comirec-controllable-multi-interest-framework-for-recommendation) model. [example](https://github.com/shenweichen/DeepMatch/blob/master/examples/colab_MovieLen1M_ComiRec.ipynb) liyuan97
Bug Fixes and Other Changes
- Update evaluation logic in multi interets model shenweichen


DisscussionGroup

- [Github Discussions](https://github.com/shenweichen/DeepCTR/discussions)
- Wechat Discussions

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| [](https://github.com/shenweichen/AlgoNotes)| [](https://github.com/shenweichen/AlgoNotes)|[](https://t.zsxq.com/026UJEuzv)|

DeepMatch

⚠️This version does not support backward compatibility

- this verson is not compatible with v0.2.* and v0.1.*
- 该版本不支持向下兼容，请按照样例进行完整的样本处理和模型构建


Major Features and Improvements
- Support different negative sampling strategies, including `inbatch`, `uniform`, `frequency`, `adaptive`. shenweichen
- refactor & update `preprocess.py`, shenweichen
- [DSSM inbatch negative sampling example](https://deepmatch.readthedocs.io/en/latest/Examples.html#dssm-with-in-batch-softmax)
- [YoutubeDNN/MIND frequency negtivte sampling example](https://deepmatch.readthedocs.io/en/latest/Examples.html#youtubednn-mind-with-sampled-softmax)
- [SDM frequency negtivte sampling example](https://deepmatch.readthedocs.io/en/latest/Examples.html#sdm-with-sampled-softmax)
API Changes

- Add new class `deepmatch.utils.NegativeSampler`
- Remove `deepmatch.layers.core.Similarity`
- Add `sampler_config`,`loss_type` parameters for models
- Change `gamma` to `temperature`,`gamma=1/temperature`

DisscussionGroup

- [Github Discussions](https://github.com/shenweichen/DeepCTR/discussions)
- Wechat Discussions

|公众号：浅梦学习笔记|微信：deepctrbot|学习小组 [加入](https://t.zsxq.com/026UJEuzv) [主题集合](https://mp.weixin.qq.com/mp/appmsgalbum?__biz=MjM5MzY4NzE3MA==&action=getalbum&album_id=1361647041096843265&scene=126#wechat_redirect)|
|:--:|:--:|:--:|
| [](https://github.com/shenweichen/AlgoNotes)| [](https://github.com/shenweichen/AlgoNotes)|[](https://t.zsxq.com/026UJEuzv)|

Deepmatch

Major Features and Improvements
- Add Scaling factor gamma in DSSM,FM zzszmyf
- Update layers shenweichen
Bug Fixes and Other Changes
- Fix routing_logits error of MIND 44 57 75 clhchtcjj

DisscussionGroup

- [Github Discussions](https://github.com/shenweichen/DeepCTR/discussions)
- Wechat Discussions

|公众号：浅梦学习笔记|微信：deepctrbot|学习小组 [加入](https://t.zsxq.com/026UJEuzv) [主题集合](https://mp.weixin.qq.com/mp/appmsgalbum?__biz=MjM5MzY4NzE3MA==&action=getalbum&album_id=1361647041096843265&scene=126#wechat_redirect)|
|:--:|:--:|:--:|
| [](https://github.com/shenweichen/AlgoNotes)| [](https://github.com/shenweichen/AlgoNotes)|[](https://t.zsxq.com/026UJEuzv)|

Change Log
Major Features and Improvements
- Support different initializers for different embedding weights and loading pretrained embeddings.

Change Log
Major Features and Improvements
- Add [`SDM`](https://deepmatch.readthedocs.io/en/latest/deepmatch.models.sdm.html) model

- support [saving&loading model](https://deepmatch.readthedocs.io/en/latest/FAQ.html#save-or-load-weights-models)
- support higher version of tensorflow
- add [Google colab notebook ](https://colab.research.google.com/github/shenweichen/DeepMatch/blob/dev_shenweichen/examples/colab_MovieLen1M_YoutubeDNN.ipynb#scrollTo=yTl6d6jO1oqf)