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Public @ 2023-04-22 09:50:06

TF-IDF分詞加權(quán)算法有用嗎？

威海seo問答威海seo問答
2774

TF-IDF分詞加權(quán)算法是一種常用的文本挖掘算法，可以衡量一個(gè)詞語在文本中的重要程度。該算法基于詞頻（TF）和逆文檔頻率（IDF）兩個(gè)因素進(jìn)行計(jì)算，并對(duì)每個(gè)詞語進(jìn)行加權(quán)處理，以便在文本檢索和分類等領(lǐng)域使用。這個(gè)算法是有用的，因?yàn)樗梢詭椭岣呶谋咎幚砣蝿?wù)的準(zhǔn)確性和效率。例如，在搜索引擎中，TF-IDF算法可以通過識(shí)別文檔中的重要關(guān)鍵詞來提高搜索結(jié)果的相關(guān)性和準(zhǔn)確性。而在文本分類任務(wù)中，該算法可

Public @ 2023-06-28 06:00:27

某寶的搜索引擎降權(quán)恢復(fù)，是不是用蜘蛛池來做的？

威海seo問答威海seo問答
2401

紀(jì)峰提問于 3年之前zac老師你好，蜘蛛池這個(gè)東西大家都聽過不少，但是沒有玩過，最近網(wǎng)站出了點(diǎn)毛病，所以在某寶上買了SEO的服務(wù)。像這樣的：降權(quán)恢復(fù)、快照1天內(nèi)更新……是不是用蜘蛛池引很多蜘蛛進(jìn)行恢復(fù)的??？蜘蛛池對(duì)網(wǎng)站的效果除了增加收錄外還有其他顯著地效果嗎？1 個(gè)回答Zac 管理員回答于 3年之前覺得你這個(gè)問題把幾個(gè)沒有必然聯(lián)系的幾個(gè)概念扯到了一起。首先，“降權(quán)恢復(fù)、快照1天內(nèi)更新“，是

Public @ 2013-05-03 15:53:47

標(biāo)題名轉(zhuǎn)成英文單詞URL的插件是什么

威海seo問答威海seo問答
3720

heroxxx 提問于 3年之前你好，很好奇這網(wǎng)站文章URL中的標(biāo)題名是怎么轉(zhuǎn)成英文單詞的，總不至是一個(gè)個(gè)手動(dòng)寫的吧，感覺相關(guān)性還挺高的。連提問的頁面也是。1 個(gè)回答Zac 管理員回答于 3年之前沒有這么個(gè)插件，至少我沒有用這種插件，也許有，我沒去找。本站帖子和問答頁面的URL都是我手寫的，難度并沒有你想的那么大吧，我平常一半的工作語言是英文，所以習(xí)慣了，并不會(huì)有什么困擾。提問頁面一律都是人

Public @ 2015-12-20 15:53:44

現(xiàn)在做百度seo是否需要搭配快排效果才好？

威海seo問答威海seo問答
3486

不需要，百度SEO是指搜索引擎優(yōu)化，主要是針對(duì)百度搜索結(jié)果，它是通過搜索引擎算法進(jìn)行排序的，所以不需要搭配快排算法。

Public @ 2023-02-28 04:00:08

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.029922s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.020760s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7589 LIMIT 1 [ RunTime:0.019830s ]
[ 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:0.020068s ]
[ 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:0.020298s ]
[ 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:0.021464s ]
[ 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` = 7589 LIMIT 1 [ RunTime:0.019828s ]
[ 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=7589 [ RunTime:0.020894s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo問答' AND `status` <> -1 LIMIT 1 [ RunTime:0.027116s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo問答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.043316s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海seo問答' AND `status` <> -1 LIMIT 1 [ RunTime:0.027222s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海seo問答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.041937s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.531232s

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Tags

用Site語法搜索產(chǎn)品分類頁面，第一位未顯示

TF-IDF分詞加權(quán)算法有用嗎？

某寶的搜索引擎降權(quán)恢復(fù)，是不是用蜘蛛池來做的？

標(biāo)題名轉(zhuǎn)成英文單詞URL的插件是什么

現(xiàn)在做百度seo是否需要搭配快排效果才好？

更多您感興趣的搜索

国产成人精品999视频&日本一区二区亚洲人妻精品&久久久精品国产99久久精&99热这里只有成人精品国产&精品国产剧情av一区二区&成人亚洲精品久久久久app&国产精品美女高潮抽搐A片

Categories

Tags

用Site語法搜索產(chǎn)品分類頁面，第一位未顯示

TF-IDF分詞加權(quán)算法有用嗎？

某寶的搜索引擎降權(quán)恢復(fù)，是不是用蜘蛛池來做的？

標(biāo)題名轉(zhuǎn)成英文單詞URL的插件是什么

現(xiàn)在做百度seo是否需要搭配快排效果才好？

更多您感興趣的搜索

用Site語法搜索產(chǎn)品分類頁面，第一位未顯示

TF-IDF分詞加權(quán)算法有用嗎？

某寶的搜索引擎降權(quán)恢復(fù)，是不是用蜘蛛池來做的？

現(xiàn)在做百度seo是否需要搭配快排效果才好？