https://index.zshipu.com/geek/tags/%E8%9A%82%E8%9A%81%E9%87%91%E6%9C%8D/ Recent content in 蚂蚁金服 on 知识铺的博客 Hugo -- gohugo.io zh-CN Tue, 15 Mar 2022 10:16:56 +0800 https://index.zshipu.com/geek/post/%E4%BA%92%E8%81%94%E7%BD%91/%E8%9A%82%E8%9A%81%E9%87%91%E6%9C%8D%E6%A0%B8%E5%BF%83%E6%8A%80%E6%9C%AF%E7%99%BE%E4%BA%BF%E7%89%B9%E5%BE%81%E5%AE%9E%E6%97%B6%E6%8E%A8%E8%8D%90%E7%AE%97%E6%B3%95%E6%8F%AD%E7%A7%98/ Tue, 15 Mar 2022 10:16:56 +0800 https://index.zshipu.com/geek/post/%E4%BA%92%E8%81%94%E7%BD%91/%E8%9A%82%E8%9A%81%E9%87%91%E6%9C%8D%E6%A0%B8%E5%BF%83%E6%8A%80%E6%9C%AF%E7%99%BE%E4%BA%BF%E7%89%B9%E5%BE%81%E5%AE%9E%E6%97%B6%E6%8E%A8%E8%8D%90%E7%AE%97%E6%B3%95%E6%8F%AD%E7%A7%98/ 阿里妹导读：本文来自蚂蚁金服人工智能部认知计算组的基础算法团队，文章提出一整套创新算法与架构，通过对TensorFlow底层的弹性改造，解决了在线学习的弹性特征伸缩和稳定性问题，并以GroupLasso和特征在线频次过滤等自研算法优化了模型稀疏性，在支付宝核心推荐业务获得了uvc