Baidu is the world's most excellent supplier of Chinese information retrieval and delivery technologies, the company known as “ &rdquo world's largest Chinese-language search technology provider. China all provides search engine of portal website in the, over 90% above are by Baidu provides search engine technology support, existing customer including Sina, and Sohu (chinaren), and Tom (163.NET), and Tencent, and 263, and 21CN, and Shanghai hotline, and Guangzhou Windows, and Xinhua, and North spatio-temporal, and Western spatio-temporal, and Chongqing hotline, and Jilin information port, and Daqing information port, and Oriental hotline, and Hunan information port, and Nanyang information port, and Shunde information network.
&ldquo Baidu search engine using the high performance network spider ” automatically search the Internet for information, customizable, highly scalable scheduling algorithm makes the search in a very short period of time to collect the largest number of Internet information. Baidu in China and the United States are equipped with the server, search covering mainland China, Hong Kong, Taiwan, Macau, Singapore and other Chinese regions, as well as North America, the European part of the site. Baidu Chinese search engine has the world's largest repository of total to more than 60 million pages, and also in the rapid growth at a rate of hundreds of thousands of pages a day. Due to the application in the background an efficient indexing algorithm of information, dramatically improves retrieval speed of response and stability to withstand during high traffic, Baidu search engine of over 60 million pages retrieved a local average response time of less than 0.5 seconds.
company Baidu (Baidu.com,Inc) at the end of 1999 was established in United States in Silicon Valley, its creator is a senior information retrieval technology experts, analysis of hyperlink patent holders only – Baidu CEO Robin Li, and friends – in Silicon Valley have years of experience in business success of Baidu's Executive Vice President Dr Xu Yong.
features of Baidu search engine
1. Information processing based on combination of words. Ingenious solution of Chinese information understand the problem, greatly improves the accuracy of search and the recall rate.
2. Support of mainstream Chinese coding standards. Including GBK (extended Chinese characters internal norms), GB2312 (Simplified), BIG5 (traditional), and converting between different encoding.
3. Smart relevance algorithms. And based on content-based relevance evaluation method for combined analysis of the chain, to objective analysis contained in the Web page information, so as to ensure maximum search results relevance.
4. Search results can be marked with rich page properties (such as title, URL, time, size, encoding, summary, etc), and highlights the user's query string, make it easy for users to judge whether to read the original.
5. Baidu search support second retrieval (also known as progressive retrieval or forced into search). Can continue to retrieve in the last search results, narrow look, up to the smallest and most accurate set of results. Help users more easily find themselves really interested in the information content.
6. Related search term intelligent recommendations technology. After the first time a user retrieves, prompts related search terms to help users find more relevant results, statistics show that can facilitate retrieval promoting 10-20%.
7. Application of multithreading technology, efficient search algorithms, and stability of UNIX platforms, and a localized server, ensuring the fastest response times. Baidu search engine provides search services in China, can greatly shorten the response time for retrieval (a retrieves the average response time of less than 0.5 seconds)
8. Can give you a week, around the second week, and many other services. Updates can be completed within 7 days of the Web page, is the fastest update, data volume's largest Chinese search engine.
9. Search results output support content cluster, cluster sites cluster, content + Web cluster, and other means. Support the user to select a time range, increasing user retrieval.
10. Intelligent and scalable search technology guarantees fastest up to collect information on the Internet. With the world's largest Chinese repository provides users with the most accurate and most extensive and timeliness of information provides a solid foundation.
11. Optimization algorithm of distributed structure, careful design, fault-tolerant design assurance system under the visits of the high-availability, high scalability, high performance and high stability.
12. High configurability allows search services to meet the needs of different users.
13. Advanced Web page summary of dynamic display technology.
14. Unique Baidu snapshots.
15. Supports a variety of advanced search syntax, so that user queries more efficient, more accurate. Support “+&rdquo, (AND), “-&rdquo, (NOT), “|&rdquo, (OR), “site:”, and “link:&RdQuo;, will also continue to increase other efficient search syntax.

