dogpile web search

Search engine/web spider program code related programs developed abroad 1. nutch Official Website http://www.nutch.org/ Chinese site http://www.nutchchina.com/ Latest Version: nutch 0.7.2 released Nutch is a search engine implemented by open-source Java. It provides all the tools we need to run our own search engine.

Yesterday afternoon, in the Baidu building, Robin and Baidu web search department has a deep exchange. Communication time of about 2.5 hours, Baidu web search backbone personnel are basically involved in this exchange. In the exchange scene, this post "with Baidu Web

divided by the page total word count, its quotient is called "keyword frequency." IDF (Inverse Document Frequency): Inverse text frequency exponent, the principle is that a keyword in n pages appear, then the larger the N, the smaller the weight of the keyword, and vice versa. When keywords are commonly used words, their weights are very small, which solves the defects of Word frequency statistics.2) Word position weightingIn the search engine, the w

source code, even if the most basic links to the site are exactly the same, do you create the exact same site? If this is the search engine can only choose K off, but your site content is not the same, which makes the search engine very embarrassed, so a large number of the right to drop the site was born, from which we can see the site friend chain intersection can bring only tragedy. Revelation: Althoug

As a web designer, the design of the Web page is one of our most intuitive identification. Our life now depends on the web and relies on the tools that let us know and communicate with each other quickly. It has long been more than just a static page, but a content-rich world of ideas and cultures without borders. For example, cave people murals, such as the imag

Using ASP to access the Index server of Web search engine Wangyu Marine Absrtact: Index Server is a professional search engine designed specifically for enterprise Web sites, and traditional access methods html/idq/htx due to inherent characteristics and lack of flexibility. This paper introduces two methods of using A

Reference | Search Engine | page | page | optimization Web page optimization process should pay attention to the elements of the page page, search engine is the page elements of the ratio has a reference! Internal link text: 10 points Titles title: 10 points Domain name: 7 points H1,H2 Font title: 5 point

Previously talked about the Google search results page, but also Google, Baidu and Bing search results page did some comparison. The following is the search results page for search engine how to optimize the site to some suggestions. There are two main suggestions, one is for the optimization of the page page, one is f

For a long time, webmasters choose to use JavaScript to achieve the dynamic behavior of the Web page, the reason for this is varied, such as speed up the page response speed, reduce site traffic, hidden links or embedded ads. Because the early search engine does not have the corresponding processing ability, causes in the index this kind of page often to have the problem, may not be able to collect the valu

the chain. Four, the website column is identical, the search engine is difficult to identify I recently found a lot of doing products, service content of the site is basically exactly the same, take women's word, many friends in the construction of the site column is the reference to other sites of the column, which caused the site column exactly the same or similar situation, such as women's word of many Web