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Chengg0769 side note: the relationship between search technologies and content provided by foreign search engines shows that searching is a tough task, and many people use the search flag. It does not have its own technology or search Web pages for analysis.
Author: beeli p
. Therefore, vertical search is not just a simple industry google.
Users use google, baidu, and other general search engines by keyword. Semantic search results tend to produce knowledge, such as articles, papers, and news; vertical Search also provides keywords for
With the rise and fall of the Internet, search engine also experienced 10 years of ups and downs, it is how to become the Internet in the future an important point of growth? Who has got the "four barrels of gold" of the internet?
1995-Directory Search prevalence
On a simple home page, in the Keyword input box to enter the content to find, we immediately get the relevant information, this is the
smoothly. Google returns an error page:
The above page probably means you do not have the permission to access it. It's strange to copy the above address and directly enter it in the browser. Is there any problem? What Mysterious weapons does Google have?So I opened the packet capture software and directly captured HTTP packets accessed through a browser and python.This is a message accessed through a browser:
This is the packet accessed through Python:
Besides incomplete header information, th
, Google adwords users often use
Keyword suggestion Tool, Which is different from the preceding content. Http://db.sohu.com/regurl/pv_price/query_consumer.asp keywords/Categories fixed sorting quotation Query
Https://adwords.google.com/select/KeywordSandbox. This is Google's adword recommendation tool.
The following two keywords are only available for English keyword queries: (I can't find any similar Chinese characters, but Seo is still a lot of Research Abroad) SEO tools-Keyword suggestions fo
Functions of php to obtain the source of search engine keywords (support for Baidu, Google, and other search engines)
// Obtain the keyword from the search engine inbound
// By bbs.it-home.org
Function get_keyword ($ url, $ kw_start)
{
$ Start = stripos ($ url
1, Yahoo. 299 dollars a year, do not guarantee login, do not guarantee rankings. It is noteworthy that because Yahoo now default search results from Google, so the value of the Yahoo directory has fallen to the history of the lowest, now it is not worth buying. However, the situation may change after the Yahoo-Google partnership expires. In fact, Yahoo has been acquiring Inktomi and Overture in order to compete with Google.
2, Inktomi and fast and s
Actionsupport {String text;String query;setThe class here corresponds to the result above.Required ScriptsThe UI is also dependent on:When using Redis, use the sort arrangement to insert an index;The Hgetall key, which is the list of all values under the key.Pass a value through query: Returns a set set after a query by Redis.PublicstaticsetThe operation of Redis can be familiar.In the actual development, the Redis database update can be updated one by one, in the process of reduce to delete th
Vertical search is a professional search engine for a certain industry. It is a subdivision and extension of search engines and an integration of some specialized information in the Web library, extract the required data from the fields for processing and then return it to the user in some form. Compared with the new
Influencing Factors of website ranking-meta tagFor search engines, the most important keywords and descriptions in the ......Note that the The
In the key words field, the keyword frequency rule applies to the
Description provides an effective way to control the description of your Web page, which can replace the web page overview automatically generated by search
Tara calishain has authored or co-authored several books on using the Internet, including the lawyer's guide to Internet research. she is the editor of researchbuzz, a free weekly newsletter on internet search offerings and search engine news. tara is also the author of llrx buzz, a weekly column on new web sites and services focused on the legal community.
Published June 3, 2002
Introduction
Open source code search engines provide an excellent way and material for people to learn, study and master the search technology, and promote the popularization and development of the search technology, more and more people begin to understand and promote the use of search
Currently, the mainstream search engines in China are similar to the following:
1. Baidu2. Google3. Yahoo (yisou, 3721)
Some people will add "sogou", "Search", and "Sina love question", but in fact, apart from the previous "three giants, the remaining search products are mixed horizontally and rarely used, which is
Development Trends of search enginesIn the real world, there is a conflict between infinity and scarcity, that is, the contradiction between the infinite desire and the scarcity of resources. economics is a specialized study on how to solve this contradiction, that is, find the most effective way or method to use limited resources to meet human desires and needs. In the current Internet world, there is also a conflict between infinity and scarcity, th
In the ocean of the Internet, interconnection is the most important thing. websites that are not referenced by other websites are "information islands ". "Wine is good and you are afraid of alley depth", maybe it is a bit like Spam advertisement, but this is the case. Therefore, if your website is not for your own purpose, you need to actively promote your website. You need to pay attention to the following aspects for promotion through search
Most of the time, I don't know what keywords I should use to search for the desired image, but often "I want an image like this ." It is difficult for traditional image search engines to meet such requirements. Similar image search engines have emerged.
1. picitup
A similar
When Google's Giants expand to the professional search market, Yahoo and Microsoft are also very keen on this field, where do our original professional search engines go? These professional engines are relatively small in size. Although they have a certain market share, Once Google and other giants enter this field, th
(Updated in-5-22) How far is Lucene (nutch) from commercial text search engines?
Author: rushed out of the universe http://lotusroots.bokee.com
Time: 2007.2.13
Update: 2007.5.9
Update: 2007.5.22
Note: Reprinted by the author.
Note (2007-5-22): During the latest update, I once again studied Lucene. After reading Lucene in action and using Lucene to build a small
If you want to make your website and search engine get along with each other and get the information you need as accurately as possible, it is necessary to master some basic skills related to search engines when designing pages. In fact, the basic rules are the same whether it is the internal search
modifications to the characteristics of the World Wide Web data and users, the search engine system architecture is shown in the right figure. The core document processing and query processing processes are similar to those of traditional information retrieval systems, however, the complex feature of the Data Objects processed by the engine determines that the search engine system must adjust the system st
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