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TF-IDF分词加权算法有用吗？

威海seo问答威海seo问答
1370

TF-IDF分词加权算法是一种文本处理技术，是根据文档的大小，词频和文档的频率来给词语加权。对文本内容的理解和分析有很大帮助，所以是有用的。

Public @ 2023-02-24 12:24:08

一年100-150万的SEO预算应该怎么花？

威海seo问答威海seo问答
1769

蓝雨绮提问于 1年之前营业额近千亿的大企业，高度竞争的行业。每年在百度方面的广告投放5000万左右（百度品牌专区2000多万+SEM2000万+信息流1000多万），最近拨了100多万的预算准备做SEO。因为是高度竞争的行业，客户获取除了品牌自身的号召力全靠花钱砸。高层也知道做SEO没啥用，所以想靠SEO清清百度负面。我所在的部门领导由于兼管网站，所以想给官网引引流。之前一直在小公司做SEO，

Public @ 2018-07-24 16:04:28

谷歌和百度在seo上有何区别？

李楠提问于 3年之前用做百度的方法做谷歌可行否？最近打算做一些国外的网站，但毫无头绪。2 个回答Zac 管理员回答于 3年之前不管哪个搜索引擎，做SEO的方法都是一样的：关键词研究，网站架构和栏目设计，页面优化，内部链接优化，外链建设，流量统计和分析。都是这个流程，每一步的方法基本上也是一样的。当然，他们的算法肯定有差别，百度SEO和Google SEO也会有一些差别，比如：百度更重视首页

Public @ 2015-04-26 15:52:23

怎样做伪原创？

用真的提问于 3年之前将3篇文章中的内容分别去两至三句话组合成一篇新的文章这样能不能被认为是原创1 个回答Zac 管理员回答于 3年之前不能，做伪原创也没那么简单，不然网上的各种抄袭、转载都成原创了，搜索引擎没那么傻。搜索引擎判断文章是否原创时，会计算内容的指纹，比如对特征关键词做MD5哈希值计算。不同内容的指纹是不一样的，指纹相同就意味着是同一篇内容。所以调换顺序之类的伪原创方法不管用

Public @ 2014-11-22 15:52:32

《SEO实战密码》新一版什么时候推出呢？

威海seo问答威海seo问答
2007

《SEO实战密码》新一版将于2020年1月8日正式推出。

Public @ 2023-02-25 15:48:05

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[ DB ] CONNECT:[ UseTime:0.022208s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.015170s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014355s ]
[ 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:0.015210s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.014268s ]
[ 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:0.015335s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5661 LIMIT 1 [ RunTime:0.014287s ]
[ 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:0.014632s ]
[ 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:0.014794s ]
[ 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:0.014909s ]
[ 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` = 5661 LIMIT 1 [ RunTime:0.014294s ]
[ 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=5661 [ RunTime:0.017630s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo问答' AND `status` <> -1 LIMIT 1 [ RunTime:0.025321s ]
[ 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问答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034939s ]
[ 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seo问答' AND `status` <> -1 LIMIT 1 [ RunTime:0.021506s ]
[ 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seo问答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034623s ]
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