相关性（relevance）_威海佰年网络技术有限公司_网站建设_软件开发_私有云_商标注册_公众号_小程序_APP_物联网_ChatGPT

Categories

Tags

相关性（relevance）

威海seo术语威海相关性
2147

相关性指的是事物之间的关联程度或相似程度。在信息检索中，相关性通常描述了查询与搜索结果之间的匹配程度或相关性程度。一般来说，相关性越高，搜索结果越符合查询的意图，而反之则越不相关。相关性的评估通常由算法和模型来实现，例如TF-IDF、BM25等算法。

Public @ 2023-06-15 15:00:08

沙盒效应（sandboxeffect）

威海seo术语威海沙盒效应
1862

指的是在计算机科学中，将软件运行在一个被称为“沙盒”的封闭环境中，以保护计算机系统免受潜在的恶意软件和安全漏洞的影响。沙盒是一种隔离机制，通过限制软件的访问权限、阻止其访问敏感资源和限制其操作来减轻恶意软件对系统的损害。这种机制通常被用于浏览器、邮件客户端、PDF阅读器和其他常见的应用程序，以减少安全漏洞的风险。

Public @ 2023-06-14 15:00:23

整合查找

威海seo术语威海整合查找
1904

) */ public class AVL_Tree { private static class Node { int key; int balance;// 平衡因子 int height;// 高度 Node left; Node right; Node(int k) { key = k; balance = 0; height = 1;

Public @ 2023-02-24 05:49:09

相关性（relevance）

威海seo术语威海相关性
2938

一个天然查找与查找恳求相关的程度，一个有极高相关性的匹配是对那个查找恳求排名榜首的候选成果，查找引擎一般运用相关性排名算法，来展现查找成果，相关性排名算法运用多种要素，包含匹配查找恳求内容所在网页的方位，网页的权威性（依据链接剖析），查找恳求中的词语在网页上互相的挨近程度，以及更多其他的。

Public @ 2011-08-22 15:51:37

相关性（relevance）

威海seo术语威海相关性
2091

的几个最佳的衡量标准？ 1. 精准度（Precision）：搜索结果中相关文档占搜索结果总样本量的比例，表示搜索系统找到的有效结果占全部结果量的比例。 2. 召回率（Recall）：搜索结果覆盖率，代表找到的相关文档占搜索样本总量的比例。 3. 覆盖率（Coverage）：搜索结果的评价指标，表示搜索结果中所包含的词或句子，占搜索引擎所拥有的整个语料库的比例。 4. 时效性（Timelin

Public @ 2023-02-24 16:48:28

更多您感兴趣的搜索

基本文件流程错误 SQL 调试

/www/wwwroot/bninc.cn/public/index.php ( 0.79 KB )
/www/wwwroot/bninc.cn/public/public.php ( 1.08 KB )
/www/wwwroot/bninc.cn/thinkphp/start.php ( 0.73 KB )
/www/wwwroot/bninc.cn/thinkphp/base.php ( 2.66 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Loader.php ( 19.47 KB )
/www/wwwroot/bninc.cn/vendor/composer/autoload_namespaces.php ( 0.21 KB )
/www/wwwroot/bninc.cn/vendor/composer/autoload_psr4.php ( 0.84 KB )
/www/wwwroot/bninc.cn/vendor/composer/autoload_classmap.php ( 0.14 KB )
/www/wwwroot/bninc.cn/vendor/composer/autoload_files.php ( 0.42 KB )
/www/wwwroot/bninc.cn/vendor/qiniu/php-sdk/src/Qiniu/functions.php ( 7.10 KB )
/www/wwwroot/bninc.cn/vendor/qiniu/php-sdk/src/Qiniu/Config.php ( 0.70 KB )
/www/wwwroot/bninc.cn/vendor/topthink/think-captcha/src/helper.php ( 1.59 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Route.php ( 59.82 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Config.php ( 6.03 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Validate.php ( 40.27 KB )
/www/wwwroot/bninc.cn/vendor/topthink/think-queue/src/config.php ( 0.77 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Console.php ( 21.22 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Error.php ( 3.59 KB )
/www/wwwroot/bninc.cn/thinkphp/convention.php ( 10.31 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/App.php ( 21.04 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Request.php ( 50.94 KB )
/www/wwwroot/bninc.cn/app/config.php ( 11.25 KB )
/www/wwwroot/bninc.cn/app/database.php ( 1.41 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Hook.php ( 4.76 KB )
/www/wwwroot/bninc.cn/app/tags.php ( 1.16 KB )
/www/wwwroot/bninc.cn/app/common/behavior/InitBase.php ( 8.17 KB )
/www/wwwroot/bninc.cn/app/common.php ( 23.29 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Env.php ( 1.25 KB )
/www/wwwroot/bninc.cn/thinkphp/helper.php ( 17.86 KB )
/www/wwwroot/bninc.cn/app/function.php ( 0.78 KB )
/www/wwwroot/bninc.cn/app/extend.php ( 13.29 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Debug.php ( 7.06 KB )
/www/wwwroot/bninc.cn/app/common/model/Config.php ( 0.78 KB )
/www/wwwroot/bninc.cn/app/common/model/ModelBase.php ( 12.18 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Model.php ( 66.83 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Db.php ( 6.54 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Log.php ( 5.84 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/db/connector/Mysql.php ( 3.94 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/db/Connection.php ( 29.97 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/db/Query.php ( 86.80 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/db/builder/Mysql.php ( 2.16 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/db/Builder.php ( 30.47 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Cache.php ( 6.17 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/cache/driver/File.php ( 7.46 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/cache/Driver.php ( 5.52 KB )
/www/wwwroot/bninc.cn/app/common/behavior/InitHook.php ( 1.25 KB )
/www/wwwroot/bninc.cn/app/common/model/Hook.php ( 0.77 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Lang.php ( 6.95 KB )
/www/wwwroot/bninc.cn/thinkphp/lang/zh-cn.php ( 3.85 KB )
/www/wwwroot/bninc.cn/app/route.php ( 0.91 KB )
/www/wwwroot/bninc.cn/app/index/config.php ( 0.96 KB )
/www/wwwroot/bninc.cn/app/index/common.php ( 0.68 KB )
/www/wwwroot/bninc.cn/app/index/controller/Wiki.php ( 2.44 KB )
/www/wwwroot/bninc.cn/app/index/controller/IndexBase.php ( 1.10 KB )
/www/wwwroot/bninc.cn/app/common/controller/ControllerBase.php ( 4.75 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Controller.php ( 6.20 KB )
/www/wwwroot/bninc.cn/thinkphp/library/traits/controller/Jump.php ( 4.97 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/View.php ( 6.86 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/view/driver/Think.php ( 5.61 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Template.php ( 46.46 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/template/driver/File.php ( 2.24 KB )
/www/wwwroot/bninc.cn/app/index/logic/Wiki.php ( 6.16 KB )
/www/wwwroot/bninc.cn/app/index/logic/IndexBase.php ( 0.79 KB )
/www/wwwroot/bninc.cn/app/common/logic/LogicBase.php ( 0.83 KB )
/www/wwwroot/bninc.cn/app/common/model/Article.php ( 0.78 KB )
/www/wwwroot/bninc.cn/app/common/model/ArticleTongji.php ( 0.79 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/paginator/driver/Bootstrap.php ( 5.90 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Paginator.php ( 9.45 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Collection.php ( 8.63 KB )
/www/wwwroot/bninc.cn/runtime/temp/fd12b1d7af823e9ae53201dacc6a6621.php ( 56.49 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/Response.php ( 8.64 KB )
/www/wwwroot/bninc.cn/thinkphp/library/think/debug/Html.php ( 4.27 KB )

[ DB ] CONNECT:[ UseTime:0.021223s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.015191s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014274s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.015209s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.014184s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015058s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8957 LIMIT 1 [ RunTime:0.014238s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.014708s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.014931s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.015911s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8957 LIMIT 1 [ RunTime:0.014385s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+1 where id=8957 [ RunTime:0.015866s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo术语' AND `status` <> -1 LIMIT 1 [ RunTime:0.021521s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo术语' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.033990s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海相关性' AND `status` <> -1 LIMIT 1 [ RunTime:0.021142s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海相关性' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.029766s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.500209s

ShowPageTrace