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相关性（relevance）

威海seo术语威海相关性
3436

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

WorldWideWeb

威海seo术语威海www
3815

也称为全球网或许万维网或许简略成为“互互相相链接的网页所形成的网络，这些网页展现内容或许答应网络访客和具有网站的安排之间互相发作互动。

Public @ 2009-08-15 15:51:55

搜索引擎成果页面（Searchengineresultspage，SERP）

　SearchEngineResuitsPage的缩写，意思是查找引擎成果页面，用户输入要害词后，点击查找按钮后，查找引擎回来显现的成果页面。　　SERP是为特定查找显现的列表或成果，SERP有时分界说为查找引擎成果的安排（placement），依据本系列的意图，我将其称为页面而不是安排，在SEO领域中，在SERP中取得杰出的表现就是全部。

Public @ 2009-12-11 15:26:22

相关性（relevance）

威海seo术语威海相关性
3447

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
3562

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

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[ DB ] CONNECT:[ UseTime:0.028416s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.021006s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7237 LIMIT 1 [ RunTime:0.019106s ]
[ 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:0.019481s ]
[ 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:0.019668s ]
[ 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:0.020447s ]
[ 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:0.019058s ]
[ 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+2 where id=7237 [ RunTime:0.022314s ]
[ 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:0.025824s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.034879s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.025953s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, '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:0.034863s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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