实时任意字段搜索

PostgreSQL 实践-实时广告位推荐 2(任意字段组合、任意维度组合搜索、输出TOP-K)

标签 PostgreSQL,gin,倒排,rum,gin_fuzzy_search_limit,随机采样,分区索引,分段索引,score分段背景 任意字段组合查询的几种优化方法：1、列存 2、RUM 3、GIN 4、多个INDEX的BITMAP AND|OR SCAN 5、BLOOM FILTER《PostgreSQL 实践-广告位...

PostgreSQL 实践-实时广告位推荐 1(任意字段组合、任意维度组合搜索、输出TOP-K)

需要支持任意维度，排序，求TOP 100，要求毫秒级延迟，100万QPS。设计1 1、定义维度 create table tbl_weidu(wid int primary key,info json);2、定义推荐表，只存储排在前100的商品和分值 create table tbl_score(wid int not null,-维度...

实时任意字段搜索相关内容

.实时任意字段维度搜索 .top实时任意字段搜索

实时更多"任意字段"相关

.top实时任意字段 .实时任意字段维度

实时搜索任意字段相关内容

.实时搜索索引 .实时应用搜索 .top实时搜索 .日志实时搜索 .实时搜索最佳实践 .实时维度搜索

您可能感兴趣

.java实时 .android实时 .web实时 .学习实时 .rsync实时 .rsync实时同步 .实时文件 .定时实时

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1yAX4Zhz1gK0jSZSgXXavwpXa-333-333.png","contentLink":"https://ai.aliyun.com/nls/trans","title":"实时语音识别","des":"对不限时长的音频流做实时识别，达到“边说边出文字”的效果，内置智能断句，可提供每句话开始结束时间。可用于视频实时直播字幕、实时会议记录、实时法庭庭审记录、智能语音助手等场景。","link1":"https://nls-portal.console.aliyun.com/?spm=5176.12157770.1251713..289b4196YR3cyv","btn1":"产品控制台","link2":"https://common-buy.aliyun.com/?spm=5176.12157770.1251713..79464196tPQN2D&commodityCode=nlsService","btn2":"立即开通","btn3":"产品文档","link3":"https://cschat-ccs.aliyun.com/index.htm?spm=5176.12061031.J_5253785160.4.6b5d6822DoBrgC&tntInstId=_2Sw9k4O&scene=SCE00010885#/","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"智能语音3月采购季专场","firstContentLink":"https://www.aliyun.com/activity/intelligent/ai/yuyin/tiyan","lastContentLink":"https://www.aliyun.com/activity/intelligent/fy22/nls/dacu","lastContentName":"语音新客特惠"}},{"infoName":"快速入门","infoContent":{"firstContentName":"产品选型推荐","lastContentName":"上手指南","firstContentLink":"https://help.aliyun.com/document_detail/119258.html","lastContentLink":"https://help.aliyun.com/document_detail/72138.html"}},{"infoName":"重磅更新","infoContent":{"firstContentLink":"https://www.aliyun.com/activity/intelligent/asr_salebag","firstContentName":"录音文件识别闲时版","lastContentName":"语音分析即将上线","lastContentLink":"https://www.aliyun.com/activity/intelligent/asr_analysis"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"语音本地化部署方案","firstContentLink":"https://promotion.aliyun.com/ntms/act/nlslocal.html","lastContentName":"语音客服场景应用","lastContentLink":"https://www.aliyun.com/activity/intelligent/nls/outcall"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1yAX4Zhz1gK0jSZSgXXavwpXa-333-333.png","contentLink":"https://ai.aliyun.com/nls/trans","title":"实时语音识别","des":"对不限时长的音频流做实时识别，达到“边说边出文字”的效果，内置智能断句，可提供每句话开始结束时间。可用于视频实时直播字幕、实时会议记录、实时法庭庭审记录、智能语音助手等场景。","link1":"https://nls-portal.console.aliyun.com/?spm=5176.12157770.1251713..289b4196YR3cyv","btn1":"产品控制台","link2":"https://common-buy.aliyun.com/?spm=5176.12157770.1251713..79464196tPQN2D&commodityCode=nlsService","btn2":"立即开通","btn3":"产品文档","link3":"https://cschat-ccs.aliyun.com/index.htm?spm=5176.12061031.J_5253785160.4.6b5d6822DoBrgC&tntInstId=_2Sw9k4O&scene=SCE00010885#/","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"智能语音3月采购季专场","firstContentLink":"https://www.aliyun.com/activity/intelligent/ai/yuyin/tiyan","lastContentLink":"https://www.aliyun.com/activity/intelligent/fy22/nls/dacu","lastContentName":"语音新客特惠"}},{"infoName":"快速入门","infoContent":{"firstContentName":"产品选型推荐","lastContentName":"上手指南","firstContentLink":"https://help.aliyun.com/document_detail/119258.html","lastContentLink":"https://help.aliyun.com/document_detail/72138.html"}},{"infoName":"重磅更新","infoContent":{"firstContentLink":"https://www.aliyun.com/activity/intelligent/asr_salebag","firstContentName":"录音文件识别闲时版","lastContentName":"语音分析即将上线","lastContentLink":"https://www.aliyun.com/activity/intelligent/asr_analysis"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"语音本地化部署方案","firstContentLink":"https://promotion.aliyun.com/ntms/act/nlslocal.html","lastContentName":"语音客服场景应用","lastContentLink":"https://www.aliyun.com/activity/intelligent/nls/outcall"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}

实时语音识别

对不限时长的音频流做实时识别，达到“边说边出文字”的效果，内置智能断句，可提供每句话开始结束时间。可用于视频实时直播字幕、实时会议记录、实时法庭庭审记录、智能语音助手等场景。

优惠活动

快速入门

重磅更新