Azure 认知搜索中的新增功能What's new in Azure Cognitive Search

了解服务中的新增功能。Learn what's new in the service. 请将本页加入书签,以随时了解该服务的最新信息。Bookmark this page to keep up to date with the service. 访问预览功能列表,查看尚未正式发布的功能的完整列表。Check out the Preview feature list to view a comprehensive list of features that are not yet generally available.

2021 年 3 月March 2021

功能                        Feature                         说明Description 可用性Availability
语义搜索Semantic search 一组与查询相关的功能,这些功能通过对查询请求进行最小调整,显著提高了搜索结果的相关性。A collection of query-related features that significantly improve the relevance of search results through minimal adjustments to a query request.

语义排名使用单词和内容背后的语义含义来计算相关性分数。Semantic ranking computes relevance scores using the semantic meaning behind words and content.

语义标题返回文档中最能概括文档的相关段落,其中突出显示了最重要的术语或短语。Semantic captions return relevant passages from the document that best summarize the document, with highlights over the most important terms or phrases.

语义答案返回从搜索文档中提取的关键段落,这些段落被表述为对看似问题的查询的直接回答。Semantic answers return key passages, extracted from a search document, that are formulated as a direct answer to a query that looks like a question.
公开预览版(根据要求提供)。Public preview (by request).

在 Azure 门户中使用搜索文档 (REST) api-version=2020-06-30-Preview 或搜索资源管理器Use Search Documents (REST) api-version=2020-06-30-Preview or Search explorer in Azure portal.

需遵守区域和层级限制。Region and tier restrictions apply.
检查查询词的拼写Spell check query terms 在查询词到达搜索引擎之前,你可检查其是否存在拼写错误。Before query terms reach the search engine, you can have them checked for spelling errors. speller 选项适用于任何查询类型(简单、完整或语义查询)。The speller option works with any query type (simple, full, or semantic). 公共预览版,仅限 REST,api-version=2020-06-30-PreviewPublic preview, REST only, api-version=2020-06-30-Preview
SharePoint Online 索引器SharePoint Online indexer 此索引器可将你连接到 SharePoint Online 网站,这样你即可索引文档库中的内容。This indexer connects you to a SharePoint Online site so that you can index content from a document library. 公共预览版,仅限 REST,api-version=2020-06-30-PreviewPublic preview, REST only, api-version=2020-06-30-Preview
NormalizersNormalizers Normalizers 提供简单的文本预处理:一致的大小写、删除重音和 ASCII 折叠,无需调用全文分析链。Normalizers provide simple text pre-processing: consistent casing, accent removal, and ASCII folding, without invoking the full text analysis chain. 公共预览版,仅限 REST,api-version=2020-06-30-PreviewPublic preview, REST only, api-version=2020-06-30-Preview
自定义实体查找技能Custom Entity Lookup skill 可在用户自定义的单词和短语列表中查找文本的一项认知技能。A cognitive skill that looks for text from a custom, user-defined list of words and phrases. 它使用此列表为包含任何匹配实体的所有文档加上标签。Using this list, it labels all documents with any matching entities. 该技能还支持一定程度的模糊匹配,应用此匹配方法可以查找类似但不完全相同的匹配项。The skill also supports a degree of fuzzy matching that can be applied to find matches that are similar but not quite exact. 正式发布。Generally available.

2021 年 2 月February 2021

功能                        Feature                         说明Description 可用性Availability
重置文档(预览)Reset Documents (preview) 重新处理了索引器工作负载中单独选择的搜索文档。Reprocesses individually selected search documents in indexer workloads. 搜索 REST API 2020-06-30-PreviewSearch REST API 2020-06-30-Preview
可用性区域Availability Zones 在某些区域(如性能缩放中所列)具有两个或更多副本的搜索服务凭借在两个或更多不同的物理位置具有副本来实现复原。Search services with two or more replicas in certain regions, as listed in Scale for performance, gain resiliency by having replicas in two or more distinct physical locations. 搜索服务创建的区域和日期确定了它是否可用。The region and date of search service creation determine availability. 有关详细信息,请参阅性能缩放一文。See the Scale for performance article for details.
Azure CLIAzure CLI
Azure PowerShellAzure PowerShell
新的修订版现在提供管理 REST API 2020-08-01 中的全部操作,包括对 IP 防火墙规则和专用终结点的支持。New revisions now provide the full range of operations in the Management REST API 2020-08-01, including support for IP firewall rules and private endpoint. 正式发布。Generally available.

2021 年 1 月January 2021

功能                        Feature                         说明Description 可用性Availability
适用于 Azure 认知搜索和 QnA Maker 的解决方案加速器Solution accelerator for Azure Cognitive Search and QnA Maker 从文档中拉取问题和答案,并建议最相关的答案。Pulls questions and answers out of the document and suggest the most relevant answers. 可在 https://aka.ms/qnaWithAzureSearchDemo 找到实时演示应用。A live demo app can be found at https://aka.ms/qnaWithAzureSearchDemo. 开源项目(无 SLA)Open-source project (no SLA)

2020 年存档2020 Archive

月份Month 功能Feature 说明Description
11 月November 客户管理的密钥加密(已扩展)Customer-managed key encryption (extended) 将客户管理的加密扩展到由搜索服务创建和管理的全范围资产。Extends customer-managed encryption over the full range of assets created and managed by a search service. 正式发布。Generally available.
9 月September 适用于 Azure 认知搜索的 Visual Studio Code 扩展Visual Studio Code extension for Azure Cognitive Search 添加用于创建索引、索引器、数据源和技能组的工作区、导航、IntelliSense 和模板。Adds a workspace, navigation, intellisense, and templates for creating indexes, indexers, data sources, and skillsets. 此功能目前处于公开预览状态。This feature is currently in public preview.
9 月September 使用专用链接的出站请求Outbound requests using a private link 正式发布。Generally available.
9 月September 管理 REST API (2020-08-01)Management REST API (2020-08-01) 正式发布。Generally available.
9 月September 管理 REST API (2020-08-01-Preview)Management REST API (2020-08-01-Preview) 添加了适用于 Azure Functions 和 Azure SQL for MySQL 数据库的共享专用链接资源。Adds shared private link resource for Azure Functions and Azure SQL for MySQL Databases.
9 月September 管理 .NET SDK 4.0Management .NET SDK 4.0 适用于管理 SDK 的 Azure SDK 更新,面向 REST API 版本 2020-08-01。Azure SDK update for the management SDK, targeted REST API version 2020-08-01. 正式发布。Generally available.
8 月August 双重加密double encryption 2020 年 8 月 1 日之后创建的所有搜索服务已在以下区域正式发布:中国北部 2、中国北部、中国北部、US Gov 弗吉尼亚州、US Gov 亚利桑那州。Generally available on all search services created after August 1, 2020 in these regions: China North 2, China North, China North, US Gov Virginia, US Gov Arizona.
7 月July Azure.Search.Documents 客户端库Azure.Search.Documents client library Azure SDK for .NET,已正式发布。Azure SDK for .NET, generally available.
7 月July azure.search.documents 客户端库azure.search.documents client library Azure SDK for Python,已正式发布。Azure SDK for Python, generally available.
7 月July @azure/search-documents 客户端库@azure/search-documents client library Azure SDK for JavaScript,已正式发布。Azure SDK for JavaScript, generally available.
JuneJune 知识存储Knowledge store 正式发布。Generally available.
JuneJune 搜索 REST API 2020-06-30Search REST API 2020-06-30 正式发布。Generally available.
JuneJune 搜索 REST API 2020-06-30-PreviewSearch REST API 2020-06-30-Preview 添加重置技能组和增量扩充,前者便于选择性地重新处理技能。Adds Reset Skillset to selectively reprocess skills, and incremental enrichment.
JuneJune Okapi BM25 相关性算法Okapi BM25 relevance algorithm 正式发布。Generally available.
JuneJune executionEnvironment(应用于使用 Azure 专用链接的搜索服务。)executionEnvironment (applies to search services using Azure Private Link.) 正式发布。Generally available.
五月May 适用于入站防火墙支持的 IP 规则IP rules for in-bound firewall support 正式发布。Generally available.
五月May 专用搜索终结点的 Azure 专用链接Azure Private Link for a private search endpoint 正式发布。Generally available.
五月May sessionId 查询参数scoringStatistics=global parametersessionId query parameter, scoringStatistics=global parameter 全球搜索统计信息,适用于针对搜索相关性的机器学习 (LearnToRank) 模型Global search statistics, useful for machine learning (LearnToRank) models for search relevance.
五月May featuresMode 相关性分数扩展(预览版)featuresMode relevance score expansion (preview)
3 月March 本机 blob 软删除(预览版)Native blob soft delete (preview) 如果在 Blob 存储中软删除了源 Blob,则删除搜索文档。Deletes search documents if the source blob is soft-deleted in blob storage.
3 月March 管理 REST API (2020-03-13)Management REST API (2020-03-13) 正式发布。Generally available.
FebruaryFebruary PII 检测技能(预览)PII Detection skill (preview) 一种用于提取和掩盖个人信息的认知技能。A cognitive skill that extracts and masks personal information.
FebruaryFebruary 自定义实体查找技能(预览)Custom Entity Lookup skill (preview) 一种认知技能,它会从列表中查找字词和短语并标记具有匹配实体的所有文档。A cognitive skill that finds words and phrases from a list and labels all documents with matching entities.
1 月January 客户管理的密钥加密Customer-managed key encryption 正式发布Generally available
1 月January 适用于入站防火墙支持的 IP 规则(预览版)IP rules for in-bound firewall support (preview) CreateOrUpdate API 中新增了 IpRule 和 NetworkRuleSet 属性 。New IpRule and NetworkRuleSet properties in CreateOrUpdate API.
1 月January 创建专用终结点(预览)Create a private endpoint (preview) 设置专用链接用于安全连接到搜索服务。Set up a Private Link for secure connections to your search service. 此预览功能在解决方案中附带依赖项 - Azure 专用链接和 Azure 虚拟网络This preview feature has a dependency Azure Private Link and Azure Virtual Network as part of the solution.

2019 年存档2019 Archive

月份Month 功能Feature 说明Description
12 月December 创建演示应用(预览)Create Demo App (preview) 一个向导,它会生成可下载且可对索引进行查询(只读)访问的 HTML 文件,旨在用作一项验证和测试工具,而不是完整客户端应用的快捷方式。A wizard that generates a downloadable HTML file with query (read-only) access to an index, intended as a validation and testing tool rather than a short cut to a full client app.
11 月November 增量扩充(预览)Incremental enrichment (preview) 缓存技能组处理,供将来重复使用。Caches skillset processing for future reuse.
11 月November 文档提取技能(预览)Document Extraction skill (preview) 技能组中一种从文件提取内容的认知技能。A cognitive skill to extract the contents of a file from within a skillset.
11 月November 文本翻译技能Text Translation skill 一种在索引期间用于评估和翻译文本的认知技能。A cognitive skill used during indexing that evaluates and translates text. 正式发布。Generally available.
11 月November Power BI 模板Power BI templates 用于在知识存储中直观显示内容的模板Template for visualizing content in knowledge store
11 月November Azure Data Lake Storage Gen2(预览版)Cosmos DB Gremlin API(预览版)Cosmos DB Cassandra API(预览版)Azure Data Lake Storage Gen2 (preview), Cosmos DB Gremlin API (preview), and Cosmos DB Cassandra API (preview) 以公共预览版形式提供新的索引器数据源。New indexer data sources in public preview.

新服务名称New service name

Azure 搜索已于 2019 年 10 月更名为“Azure 认知搜索”,以反映认知技能和 AI 处理在核心操作中更广泛的用途(但仍为可选)。Azure Search was renamed to Azure Cognitive Search in October 2019 to reflect the expanded (yet optional) use of cognitive skills and AI processing in core operations. API 版本、NuGet 包、命名空间和终结点未有变化。API versions, NuGet packages, namespaces, and endpoints are unchanged. 新的和现有的搜索解决方案不受服务名称更改的影响。New and existing search solutions are unaffected by the service name change.

服务更新Service updates

在 Azure 网站上可以找到 Azure 认知搜索的服务更新通告Service update announcements for Azure Cognitive Search can be found on the Azure web site.