新功能智能开放搜索 OpenSearch 的相关内容

[帮助文档] 新功能发布记录

本文为您介绍了高性能检索版内容更新的最新动态，基于此您可以了解高性能检索版中增加了哪些新功能、语法新特性等等变更，为您开发项目提高效率。

新功能 | 智能开放搜索上线定制词权重模型

业务痛点在搜索的查询分析阶段，词权重会分析查询中每一个词在文本中的重要程度，并将其量化成权重，权重较低的词可能不会参与搜索召回。使用词权重模型，可以避免当用户输入的查询词中包含一些权重低的词时，仍然按原输入限制召回，导致命中结果过少。因此，词权重能有效提升搜索的召回率，...

【新功能】开放搜索多路召回技术解读

背景所谓的“多路召回”就是指采用不同的策略、特征或者简单模型，分别召回一部分候选集，然后再把这些候选集混合在一起后供后续排序模型使用的策略。阿里云开放搜索（OpenSearch）是基于阿里巴巴自主研发的大规模分布式搜索引擎搭建的一站式智能搜索业务开发平台，目前为包括淘宝、天猫在内的阿里集团核心业务...

【新功能】开放搜索高级定制排序插件-Cava语言

Cava插件介绍开放搜索支持用户自定义排序表达式满足自身业务的逻辑，其中包括：基础排序、业务排序、算法模型、功能型\业务型函数等功能。但其能力取决于排序表达式所支持的元素，特别是排序表达式的feature（特征）。但当业务遇到较强的定制需求，排序公式也比较复杂，需要自己开发业务逻辑的时，业务排序和...

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更新时间 2024-04-28 09:30:25

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智能开放搜索OpenSearch

智能开放搜索是阿里巴巴自主研发的一站式智能搜索业务开发平台，通过内置行业查询语义理解、机器学习排序算法等能力，助力开发者快速搭建高性能的智能搜索服务。

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