The correct use method of search engine

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The internet is really a sea of information. The amount of information available on the Internet often depends on whether the query is appropriate or not. If you want to find timely and accurate information you need, search engine is an essential tool for the Internet.

In recent years, the Internet in China's development is rapid, speed, the number of new netizens are in the forefront of the world. Just the Internet "rookie", the first thing to do is to learn to use search engines. Maybe some people want to ask: Search is very simple, it is not in the search bar to enter the things you want to find, it is necessary to learn? Of course. In fact, many web bugs use the search engine very limited, or even incorrect. And the search engine upgrade speed quickly, do not learn will appear with the old weighing the new goods. Since we have to learn, we have to learn a thorough, from the first to the very thin through it.

Search engines are the most useful, and when it comes to search can not mention keyword (keyword), each search engine production process can not be separated from keyword, whether it is to a main category to do the directory, or management of personal sites, all need these keywords, the directory contains more keywords, the more accurate, The more convenient and accurate the search is. This is some search engine easy to use, some bad reasons. So it is important to find the right and keyword before searching.

Using the search engine's classification index is not very skillful, as long as you find the category, one layer open. The following key point to say is the existing famous search engine of the use of search engines. Hope to be able to remove all the pain of the search, but also for everyone to save a little internet costs.

Yahoo China

First enter the keyword you need in the search box, press the search key, Yahoo! It automatically searches for categories, websites, database information, and news repositories, and lists the information you find. The order of the listed data is based on the degree of match with the keyword, and the arrangement of news materials also synthesizes the factors of updating time. In addition to this simple query method, YAHOO! Advanced retrieval is also supported, so you need to understand its specific syntax before you can use this kind of retrieval:

1. Using double quotes to search the web, such as "Computer Music", only the Web site of computer music appears, ignoring the Web site that contains "computer and MP3 Music", and note that double quotes must be half-width characters.
2. Add letters to specify the keywords appear in the paragraph, such as in the keyword before the "T:", search engines will only query the name of the site; And before the keyword "u:", the search engine will only query the required URL.
3. Use "+", "-" to limit the results, add the "+" number of keywords must appear in the results, and added "-" number of keywords must not appear in the query results.

Sohu

After the upgrade of the Chinese Sohu search system has added a new function to solve the Chinese word segmentation problem, such as the input "computer", before the "electronic", "brain" of the site is also retrieved. And now it can pinpoint, save the user's time and energy. The system also has a user dictionary, which allows the definition of the word name, part of speech and corresponding large five-yard font, and adds the word to the thesaurus. The specific use of the method is: In the search text column input to query the keyword, in the press "Search" button, Sohu Chinese retrieval system will retrieve the results from the following four:

Sohu Category: Query eligible categories.
Sohu Web site: Query eligible Sohu database included in the site.
Global Web: Search for eligible Web pages on the Internet.
Sohu News: Check the content of Sohu news according to the condition.
The factors that affect the results of the search are the location of the key words, the frequency and the part of the keyword itself. For the news to refer to its updated date, the general news search contains only nearly three months of content. Like Yahoo, Sohu also contains its own search syntax:
1. With and between the two keywords, which means that the two words are "with" the logical relationship, the results of the search will be the same page containing the two keywords.

2. Plus OR between the front and back two keywords, this means that the two words are "or" logical relations, the results of the search more, more extensive, as long as the inclusion of the two keywords in any one of the keywords in the page will appear, this is very useful for the vague concept of the query.

Sina Search

Sina Search is currently divided into 15 major categories, more than 10,000 detailed Shinian site. Sina search Query order is: Directory search, site search, Web page full-text search.

1. Sina search engine in the keyword query box allows a single word or multiple word query, there are many symbols are "and" relationship, such as: spaces, commas, plus and &.

2. Sina search engine also includes the advanced search method: Before keyword "T:", said only search site title; Add "u:" in front of the keyword to search the Web site. In addition, Sina Search can better support the query to the number.

Chinese Excite

Chinese Excite search engine currently only to search the Web page, which is very convenient for users to find information, but for people who want to find the site, it is useless. Nevertheless, I would like to introduce the Chinese Excite in detail, because it is the most complete Web search engine with information and information at present. A total of 2 million web pages are collected, and five high-performance retrieval platforms are available to help the Finder find them. The most characteristic is that the search results are based on the relevance of your question to order, in general, the more ranked in front, the more relevant degree. If you find that a search results match your search requirements, click the "retrieve more literature similar to this page" button and the Excite Chinese search engine retrieves more pages similar to this one. By using the more specifically asked questions to retrieve, you can search for more literature to find. For example, "Computer magazine" can retrieve more information about computer information than "newspaper and magazine". Sometimes, many of the search results are from the same site, but are dispersed in different directories. Just click on the "Search results by Site" Function key, the search results will become a directory by the site, under each site name, according to the relevant level of the site to list all the questions related to the page. With the "High-performance search platform", as well as professional information professionals as quickly and accurately search for more relevant literature. We can also specify our own search database (all Chinese web databases, Chinese web databases, Hong Kong Web database, Taiwan Web database, Singapore Web database, and western language pages) to control the number and presentation of the results, and to make it easy to use all the advanced search capabilities. The most common techniques to retrieve are as follows:

1. Input keywords, Excite search engine will automatically retrieve the information needs of the literature.

2. "Phrase retrieval" is also called "full fit", and the search result must contain a string that is exactly the same as the question type (including order). In the search for more specifically-related literature, use double quotes for phrase retrieval.

3. Precede the search word or Word with "+" to indicate that the word or word must appear in the search result, and precede the word or word with "-" to indicate that the word or word must not appear in the search results. It is very important to use when there is no space between "+" and "-" and the search words that follow.

4. Use Boolean to retrieve symbols. The Boolean retrieval symbol includes and (the search result must contain all keywords connected with and), or (the search result must contain at least one keyword that is connected with OR), not (the search result cannot contain keywords immediately after not) and () (the key to the request that the search results contain all inputs) words). The symbols must be capitalized and preceded by a space. If you use Boolean retrieval, the Excite retrieval engine automatically stops the retrieval function of the concept analysis and retrieves the Web page that matches the keyword.

The above introduces a few of the most commonly used search engine use techniques and methods, I believe that through the above learning, most of the nets can be correct and efficient use of these search engines.