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
3185

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

排名算法（Rankingalgorithm）

威海seo术语威海排名算法
2193

　排名算法是查找引擎用来对其索引中的列表进行评价和排名的规矩，排名算法决议哪些成果是与特定查询相关的。

Public @ 2010-12-23 15:26:22

黑帽SEO（BlackhatSEO）

威海seo术语威海黑帽SEO
1986

抽象的说，全部运用作弊办法或可疑办法的，都可以称为黑帽SEO，比方说废物链接，躲藏网页，桥页，要害词堆砌等等。　　黑帽SEO就是做弊的意思，黑帽查找引擎优化办法不契合干流查找引擎发行政策规矩，黑帽SEO获利首要的特色就是短平快，为了短期内的利益而选用的做弊办法，一起随时由于查找引擎算法的改动而面对赏罚。

Public @ 2022-02-16 15:26:20

相关性（relevance）

威海seo术语威海相关性
2305

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

相关性（relevance）

威海seo术语威海相关性
2272

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:0.023157s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016629s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2676 LIMIT 1 [ RunTime:0.015334s ]
[ 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:0.015603s ]
[ 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:0.015903s ]
[ 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:0.016003s ]
[ 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` = 2676 LIMIT 1 [ RunTime:0.015458s ]
[ 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=2676 [ RunTime:0.016131s ]
[ 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:0.022425s ]
[ 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:0.032404s ]
[ 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:0.022310s ]
[ 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:0.031506s ]
[ 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', ) ]

0.455698s

ShowPageTrace