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搜索引擎對用戶搜索詞如何處理，怎么判斷用戶搜索詞的結(jié)果？

搜索引擎接收到用戶輸入的搜索詞后，需要對搜索詞做一些處理，才能進(jìn)入排名過程。

搜索詞處理包括以下幾方面:

（1）中文分詞。與頁面索引時(shí)一樣，搜索詞也必須進(jìn)行中文分詞，將查詢字符串轉(zhuǎn)換為以詞為基礎(chǔ)的關(guān)鍵詞組合。分詞原理與頁面分詞相同。

（2）指令的處置。平時(shí)咱們在搜索時(shí)會輸入多個(gè)詞語，實(shí)在默認(rèn)的情況下，搜索引擎把多個(gè)默認(rèn)的詞語都依照“與”來進(jìn)行詞語。比方你搜索“seo”“培訓(xùn)”時(shí)，搜索引擎會默認(rèn)咱們輸入的“seo培訓(xùn)”來進(jìn)行處置，獨(dú)自包括“seo”或者“培訓(xùn)”的網(wǎng)站內(nèi)容實(shí)踐上將不會返回，但實(shí)際情況往往也會呈現(xiàn)獨(dú)自包括一個(gè)詞語的網(wǎng)站。另外，還要處置各種高等搜索指令的詞語，比方加號減號等。

（3）停止詞。和索引時(shí)一樣，搜索引擎也需要把搜索詞中的停止詞去掉，最大限度地提高排名相關(guān)性及效率。

（4）過錯(cuò)糾正。用戶如果輸入了明顯錯(cuò)誤的字或英文單詞拼錯(cuò)，搜索引擎會提示用戶正確的用字或拼法。

（5）整合搜索觸發(fā)。某些搜索詞會觸發(fā)整合搜索，比如明星姓名就經(jīng)常觸發(fā)圖片和視頻內(nèi)容，當(dāng)前的熱門話題又容易觸發(fā)資訊內(nèi)容。（搜外網(wǎng)）

Public @ 2019-02-03 16:22:41

內(nèi)容變更/快照內(nèi)容錯(cuò)誤怎么辦？

如果你發(fā)現(xiàn)快照中的內(nèi)容有變更或快照內(nèi)容錯(cuò)誤，請及時(shí)向客戶服務(wù)部反饋。請?zhí)峁┠惆l(fā)現(xiàn)的內(nèi)容變更/快照內(nèi)容錯(cuò)誤具體信息，幫助我們排查并盡快糾正相關(guān)問題，謝謝！

Public @ 2023-02-24 18:27:10

快照時(shí)間為什么會倒退？

一個(gè)重要網(wǎng)頁的快照往往會在搜索引擎數(shù)據(jù)庫中保存有多份網(wǎng)頁快照，這些快照的抓取時(shí)間并不相同。在一些極特殊情況下，搜索引擎系統(tǒng)可能會選擇不同于當(dāng)前搜索結(jié)果中的快照版本，導(dǎo)致出現(xiàn)快照時(shí)間倒退的情況。這對網(wǎng)站在搜索引擎中的表現(xiàn)無任何影響，也并不代表搜索引擎對該網(wǎng)站做了降權(quán)處理。綜上，快照的更新與頁面中是否出現(xiàn)重要新增內(nèi)容有直接關(guān)聯(lián)，而與網(wǎng)站本身的“權(quán)重”、是否“被K”并無直接關(guān)聯(lián)。站長不必過多關(guān)注網(wǎng)站的快

Public @ 2020-05-25 15:34:25

搜索引擎排名的人工干預(yù)

雖然搜索引擎排名技術(shù)和算法一直在提高，但我相信所有搜索引擎都或多或少有人工干預(yù)，就算最標(biāo)榜一切以算法和自動(dòng)化為目標(biāo)的Google，也肯定有人工因素。去年就曾經(jīng)有人報(bào)道（http://www.searchbistro.com/index.php?/archives/19-Google-Secret-Lab,-Prelude.html），Google在很多國家的大學(xué)招募學(xué)生，進(jìn)行搜索引擎結(jié)果的評價(jià)工作

Public @ 2022-08-25 16:21:50

搜索引擎收錄網(wǎng)頁的四個(gè)階段

作為SEO從業(yè)者，不僅要被搜索引擎抓取，還要被收錄，最重要的是在收錄后有良好的排名，本文將簡單分析下搜索引擎收錄網(wǎng)頁的四個(gè)階段。每個(gè)網(wǎng)站、每個(gè)網(wǎng)頁的排名都是不一樣的，看看你的網(wǎng)站處于哪個(gè)階段呢?搜索引擎收錄網(wǎng)頁的四個(gè)階段 PageRank 搜索引擎建站教程第1張網(wǎng)頁收錄第一階段：大小通吃搜索引擎的網(wǎng)頁抓取都是采取「大小通吃」的策略，也就是把網(wǎng)頁中能發(fā)現(xiàn)的鏈接逐一加入到待抓取URL中，機(jī)械性的將

Public @ 2012-08-25 16:22:23

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.026870s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.018910s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.018048s ]
[ 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:0.018680s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.017930s ]
[ 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:0.019131s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5407 LIMIT 1 [ RunTime:0.017969s ]
[ 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:0.018281s ]
[ 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:0.018475s ]
[ 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:0.018468s ]
[ 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` = 5407 LIMIT 1 [ RunTime:0.021416s ]
[ 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=5407 [ RunTime:0.018786s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海了解搜索引擎' AND `status` <> -1 LIMIT 1 [ RunTime:0.025265s ]
[ 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` = '威海了解搜索引擎' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.037276s ]
[ 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` = '威海搜索引擎工作原理' AND `status` <> -1 LIMIT 1 [ RunTime:0.025201s ]
[ 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` = '威海搜索引擎工作原理' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034580s ]
[ 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', ) ]

0.590844s

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Categories

Tags

搜索引擎對用戶搜索詞如何處理，怎么判斷用戶搜索詞的結(jié)果？

內(nèi)容變更/快照內(nèi)容錯(cuò)誤怎么辦？

快照時(shí)間為什么會倒退？

搜索引擎排名的人工干預(yù)

搜索引擎收錄網(wǎng)頁的四個(gè)階段

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

搜索引擎對用戶搜索詞如何處理，怎么判斷用戶搜索詞的結(jié)果？

內(nèi)容變更/快照內(nèi)容錯(cuò)誤怎么辦？

快照時(shí)間為什么會倒退？

搜索引擎排名的人工干預(yù)

搜索引擎收錄網(wǎng)頁的四個(gè)階段

更多您感興趣的搜索

搜索引擎對用戶搜索詞如何處理，怎么判斷用戶搜索詞的結(jié)果？

快照時(shí)間為什么會倒退？