Search passion from the address book to the evolution of the personal portal

in fact, search needs from many things (mainly information) to find their own, has always been with us, but before the development of IT technology, all digital information are not the only form of search, is a feasible paper catalog, index, phone book. After Wan, there needs to search, but did not correspond to the rapid development of technology, so the earliest form of Internet search is the book. Similar specific forms and a telephone directory, yellow pages, records many well-known Web site of a book, the size of the professional degree. I bought a book for ordinary users, similar to the size and thickness of Xinhua Dictionary, according to different classification of web content.

if there is what invention saved the Internet search engine that is?. What is the early form of search search? How many times change experience? Can summarize the history of the development of search engine, found the train of thought.

if there is what invention saved the Internet? It is a search engine, or the Internet itself collapse more information, more quickly, because people find the information they need is more difficult, the use of experience also worse. What is the early form of search search? How many times change experience? How will the future search engine into? Can summarize the history of the development of search engine, found the train of thought.

After all, YAHOO

 

but only the paper-based directory is moved to the Internet page, and different understanding of the naked eye search website classification can reduce the efficiency in the use of this type of search. Then according to the keyword automatic search function has been used in the search engine, it is not difficult to achieve, because according to the keyword full-text retrieval technology even before the computer has just been invented in 50s had already appeared (domestic Chinese full-text retrieval technology is the earliest as part of the 748 project basically completed in late 80s it has been widely used, have happened in 90s).

paper is fast, the network version of the. In 1994, Yang Zhiyuan founded YAHOO, and began to collect all kinds of Web site and send them according to certain rules, classification, sorting, users can only remember the YAHOO web site, followed by YAHOO into various categories of websites, paper book immediately become redundant. Part of the Internet industry will use YAHOO directory manually collecting website and search categories presented as the first generation search engine, there are some Internet experts believe that YAHOO this approach does not strictly called the search engine, which should be regarded as the earliest site navigation. I tend to be a form of the count search, including site navigation and so.

first generation search engine. The only problem is still by the artificial collection, low efficiency, error prone, not comprehensive. So the Internet need an alternative to artificial collection of Web site, and when it comes to replace the manual, people will think of the robot, and the second generation of search engines rely on

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