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

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相关性（relevance）

威海seo术语威海相关性
2621

相关性指的是与某个主题或目标有紧密联系的程度或程度。例如，在搜索引擎中，相关性是指搜索结果与用户查询或关键字的主题或意图的匹配程度。在广告营销中，相关性是指广告与受众的需求或兴趣相匹配的程度。在信息组织和分类中，相关性是指将相关的信息组织在一起，使其易于访问和使用。相关性是评估信息的质量和可用性的重要指标。

Public @ 2023-04-15 01:00:11

排名要素（rankingchecker）

威海seo术语威海排名要素
2194

一个天然查找匹配的任何特性都可以被排名算法用来为查找成果网页的生成拣选匹配，相关性排名算法运用了许多种的要素，包含与查找恳求相匹配的网页的方位，网页的权威性（依据链接剖析），在查找恳求中的不同词以及它们在页面上的挨近程度等等。

Public @ 2023-01-28 15:51:40

躲藏文本（hiddentext）

威海seo术语威海躲藏文本
2615

　一种做弊技能，经过这种技能，网页上的文字被规划来被蜘蛛程序而不是人看到，文本可以经过用极小的的字号显色彩，或许将要害词被图形或许其他网页元素掩盖等，做弊者在网页上堆积要害词来得到高的查找排名。　　经过这种技能，网页上的文字被规划来被蜘蛛程序而不是人看到，文本可以经过用极小的的字号显现而不被看到，或许运用和背景色彩一样的色彩，或许将要害词被图形或许其他网页元素掩盖等，做弊者在网页上堆积要害词来得到

Public @ 2018-09-14 15:26:28

相关性（relevance）

威海seo术语威海相关性
2593

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

相关性（relevance）

威海seo术语威海相关性
2622

相关性指的是与某个主题或目标有紧密联系的程度或程度。例如，在搜索引擎中，相关性是指搜索结果与用户查询或关键字的主题或意图的匹配程度。在广告营销中，相关性是指广告与受众的需求或兴趣相匹配的程度。在信息组织和分类中，相关性是指将相关的信息组织在一起，使其易于访问和使用。相关性是评估信息的质量和可用性的重要指标。

Public @ 2023-04-15 01:00:11

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[ DB ] CONNECT:[ UseTime:0.027428s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.019223s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7237 LIMIT 1 [ RunTime:0.018316s ]
[ 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:0.018829s ]
[ 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:0.018902s ]
[ 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:0.019319s ]
[ 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` = 7237 LIMIT 1 [ RunTime:0.018256s ]
[ 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=7237 [ RunTime:0.021511s ]
[ 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:0.024882s ]
[ 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:0.034955s ]
[ 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:0.025061s ]
[ 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:0.034619s ]
[ 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', ) ]

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