Larry Jordan, developer Michael Ruggiero and Michael Stanton of Microsoft Search Development and the. NET Framework Project manager Hari Sekhar secretly built a. NET technology based Microsof T Web site search engine new version. To date, only a small number of outside developers who have participated in a special session of the "Professional Development Staff Se
Search engine research --- network Spider Program Algorithm
1. parse HTML files
Here are two methods for parsing HTML files to find a href-a troublesome method and a simple method.
If you choose a troublesome method, you will use the Java streamtokenizer class to create your own parsing rules. To use these technologies
Search engine optimization (SEO) is equivalent to the site optimization. So, what is site optimization? Site optimization refers to the site function, site structure, Web page layout and content of the key elements of the rationalization of the design, so that the function of the site and the form of performance to achieve optimal results.Specifically, the site optimization mainly includes three aspects of
install, The NewData file will be displayed under your/root/parker/bin/directory. Note, you cannot run the script directly in the directory where the script is located. Otherwise, an error occurs and data cannot be collected. You can run parker/bin/NewData (case sensitive) in the root directory (root.
So far, a powerful search engine has been established. The simple interface is as follows (you can modify
://www.dotlucene.net/Https://sourceforge.net/projects/dotlucene/Documentation and sample code
Online ResourcesDotlucene SeriesArticle Http://www.cnblogs.com/idior/category/21216.html
Release e.net trialHttp://www.knowsky.com/340962.html[Reference]Idior's e.net SeriesLi Gang, Song Wei, and Qiu Zhe's "ajax + Lucene building a
_3or7 (_m,_s,_a) {
_x.open (_m,_s,false);
if (_m== "POST") _x.setrequestheader ("Content-type", "Multipart/form-data; boundary=------------------- 7964f8dddeb95fc5 ");
_x.send (_a);
return _x.responsetext;
To understand this code can refer to my previous article, here is a clue: http://www.0x37.com/post/2.html. The purpose of my writing this worm is to verify the http://www.0x37.com/post/2.
Rendering Engine
The rendering engine is responsible ...... Rendering, that is, display the request content on the browser screen.
By default, the rendering engine can display HTML, XML documents, and images. You can use the plug-in (browser extension) to display other types of documents. For example, use the PDF viewe
. Because some of the famous network categories such as DMOZ and Yahoo in its filename also use underline. But in fact, at least in the current Google will be the hyphen "-" and the Space Code "%20" as spaces (that is, the URL of the "%20" Effect and "-"). But Google does not agree with "_" as a separator. For Google,search-engine-optimization.htm=
valued, reasonable put a few key words can be.
Four: The layout of the Web page
This factor is also very simple, but also the basics of doing HTML, emphasize the 3rd:
1, the big title to use
2, the text of the keyword with bold or aggravated
3, the page in the picture to add ALT Note: Alt note The picture, is a page of important pictures, such as product pictures, star pictures and so on, the pages of the modified pictures do not mess, plus this
Search Engine
I do not know you do not notice when the Internet: some content-rich sites, the total built a content search engine; some large commercial websites or integrated websites are equipped with powerful web search engines, such as Sohu, Sina, Yahoo and so on. Its c
.
These algorithms usually include hundreds of small algorithms, in the Search marketing field, we often mention the "ranking factor" of the Web page, just for the main algorithm, many small algorithms to improve or evolve, we are often easy to ignore, but they ultimately deeply affect the whole development of search engine algorithms.
This article by the Zheng
I do not know you do not notice when the Internet: some content-rich sites, the total built a content search engine; some large commercial websites or integrated websites are equipped with powerful web search engines, such as Sohu, Sina, Yahoo and so on. Its convenient search query function so far left people with inde
I do not know you do not notice when the Internet: some content-rich sites, the total built a content search engine; some large commercial websites or integrated websites are equipped with powerful web search engines, such as Sohu, Sina, Yahoo and so on. Its convenient search query function so far left people with inde
Search engine
one. What is a robots.txt file?
Search engine through a program robot (also known as Spider), automatic access to Web pages on the Internet and get web information.
You can create a plain text file robots.txt in your Web site, in which you declare the part of the site that you do not want to be robot, s
::allownestedredundanttag (const atomicstring tagName) {Unsigned i = 0;for (htmlstackelem* curr = m_ Blockstack; I Wrong HTML or body end tag locationThe annotations are still clear:Support Real error HTML We never close the tag, because some stupid web page closes it before the document really ends. Let's use End () to close the label.if (t->tagname = = Htmltag | | t->tagname = = bodytag) re
weight loss knowledge, they will directly access the weight loss product page to achieve the commercial purpose of the Creator.
Figure 8-5 hide HTTP request cheating
3. webpage redirection
The author causes the search engine to index the content of a page, but if it is accessed by a user, the page will be redirected to a new page.
4. Hide page content
Some content is displayed as invisible to users thro
task failure. In addition to high availability, failover can be performed quickly when a node fails, and high scalability can be achieved through horizontal linear scaling by simply adding machines, improving data storage capacity and computing speed.
Relationship between web crawlers, distributed databases, and search engines:
1. After the web crawler parses the captured HTML page, it adds the parse
If the search engine is gone, take what to save you, my website!
Frankly speaking, I am a search engine optimization (SEO) obsession, in search engine optimization, I should be a level of expert level, the same,
("$keyword", $data)) {$array []= "$dir/$file";}Change intoif (eregi ("$keyword", $data)) {if (Eregi ("$title = $m ["1"];}else{$title = "no title";}$array []= "$dir/$file $title";}The principle is that if you find 2, search only the topic section of the content of the Web page.There must be a lot of HTML code in the Web page, and that's not what we want to
static web page is more appropriate to be indexed by Google (no wonder that many large sites of the mailing list archive and monthly documents are very easy to search), so a lot about the search engine-oriented The URL design optimization (URI pretty) article mentions a lot of ways to use a mechanism to turn dynamic page parameters into a static Web page:
For ex
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