What are the commonly used search tools?

Commonly used search tools include search engines, databases, metasearch engines, directories, social media, readers, professional websites, etc. Detailed introduction: 1. Search engines: such as Google, Bing, Baidu, etc., can search and return relevant web pages, pictures, videos and other information based on the keywords entered by the user; 2. Databases: such as literature databases, patent databases, news databases Etc., these databases collect various types of information, and users can query through keywords, authors, topics, etc.; 3. Meta-search engines, etc.

#Commonly used search tools include the following:

• Search engine. For example, Google, Bing, Baidu, etc. can search and return relevant web pages, pictures, videos and other information based on the keywords entered by the user.
• database. For example, document databases, patent databases, news databases, etc. These databases collect various types of information, and users can query by keywords, authors, topics, etc.
• Meta search engine. For example, MetaCrawler, Dogpile, etc. do not directly retrieve information, but query multiple search engines at the same time and summarize the results together.
• Table of contents. For example, Yahoo directories, DMOZ, etc. These directories are constructed by manual classification and organization. Users can browse the directories to find relevant information.
• social media. For example, Twitter, Facebook, etc., users can obtain information of interest by following, subscribing, etc.
• Reader. For example, Feedly, Flipboard, etc., these tools can subscribe to RSS feeds, blogs and other information sources, and users can view all subscribed content in one application.
• Professional website. For example, Jiumo Search Books, etc. These professional websites can provide specific information retrieval services, such as e-book retrieval, image retrieval, etc.

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