Inverted list
The inverted list is used to record which documents contain a word. Generally, there are many documents in the document set that contain a word. Each document records the document number (docid) and the number of times the word appears in this document (TF) and where the word appears in the document, so that the information related to a document is called as an inverted index (posting ), A ser
Christmas logo list for various search engines
The holiday effect is becoming more and more obvious. Christmas is an important western holiday. Various search engines have put Christmas logos to celebrate Christmas with foreigners. Let's take a look.
GoogleUse a set of im
Chinese database
China Knowledge Network (CNKI): http://www.cnki.net/
Wanfang Data: http://www.wanfangdata.com.cn/
WIP Cheng Sci-Tech periodical database: http://202.195.136.17/
English database
Ieee/iet Electronic Library (IEL): http://ieeexplore.ieee.org/
Elsevier sciencedirect Full-text database: http://www.sciencedirect.com/
ASME American Society of Mechanical Engineers: http://asmedigitalcollection.asme.org/
Taylor Francis ST Journal database: htt
Hide specific articles on search enginesthe source of this problem is this:
As we all know, with the search engine improvement, will increasingly reject collection and false original, especially Baidu also introduced the Origin algorithm, the collection station for K station and other measures. If labeled as a collection station,
key phrases (keyword, keyterm, and keyphrase)
Keywords, keywords, and key phrases are the words that the Web site sorts on the search engine results page (also known as serp. Depending on the site audience, you can select a word, a combination of multiple words or the entire phrase. This article will use
KeywordsThis term indicates all three types.
Link farm)
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All of the above are blog search engines based on the English interface. I don't want to read anyone who can see English (I think they should not use the blog search engine.
The following describes several Chinese blog search e
function to facilitate understanding, understanding, and correct use. The following is a list of frequently-used advanced search commands and functions of several major search engines. The instructions are in square brackets [], followed by the search
Friends who access the Internet will basically use a tool to find what we want, that is, the search engine. When using the search engine, we can quickly find the relevant keywords by entering the keywords we want in the search box.
Friends who access the Internet will basically use a tool to find what we want, that is, the s
used to treat breast cancer. you'll get a small set of results, but it'll include items you might not have heard. be sure to click on them to get Google search results to see how they're related to your original search terms.
Let's do a more general example -- say dog breeds. enter collie, chibaihua, and German shepherd in the Set boxes. you'll get back an enormous lis
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
website to highlight it, for example:
This is my friend helped a pet shop (http://longmao.com.cn/) made the site, he described in the description just right introduced the content of the site, and repeatedly stressed the word "Dragon cat, this is more reasonable, and compared to the following description of this website:
This can only be ignored by the search engine, because it is obvious that it is fooling the
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
The ancestors of all search engines were the Deutsch (Wheelan FAQ) invented by three students of McGill University (Alan Emtage, Peter Archie, Bill Archie) in 1990 by Montreal. Alan Emtage and so think of the development of a file can be used to find the system, so there is Archie. Archie is the first program to automatically index files on anonymous FTP Web site
cannot find the link on the page, so it cannot traverse the page of the entire website. As a result, the search list can only find several standard links on the homepage.
The solution to this problem is to create a page on the website that contains links to all the pages you want to be searched. If this is an e-commerce website, this page may contain links to
, male is afraid of selecting the wrong line. this is also true for search engines. in addition to the large demand for vertical search in this industry, it is best not to match the data attribute of this industry.
The crawling direction of common search such as Yahoo and Google overlaps.
Currently, popular vertical
, forums, and archive email lists. When sending emails to the Mail List of many large sites, be sure to add the address of your website to your signature.Blogger (weblog for short) may have the deepest understanding of the meaning of the phrase "link is everything". Because there are a large number of links between Blog content, therefore, the most frequently cited blog pages rank higher in search
To learn SEO, then we start from the most basic search engine grammar, following the collation of Baidu, Yahoo, Google three search engines for advanced syntax and application.
Baidu Search Advanced Syntax
1, limit the search scope to the title of the page--intitle
The pa
Ducky .") If the keyword you enter has a variety of different semantics, it will have a detailed group list to eliminate ambiguity, so that you can choose the semantic group to which it belongs, for example, you search for Apple, you will get a list of all possible groups-including fruit, computer companies, banks, an
named "Demon Satan" to point to this page a, or give the source page of the link (B, C, D, E, F ...). The better, then page A will be considered more relevant when users search for "Demon Satan", and the ranking will be more forward.
The principles of search engines can be seen as three steps: Crawl Web pages from the Internet → set up index databases →
Search engine in the future the only way to look at the Internet, a new change every day, search engine is the same, every day in the constant changes. Once your site to find the rules of the engine, then you have to bear a certain danger, the traditional search engine optimization method, is now not recognized by the majority webmaster, key word optimization Mos
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