Search engines are essentially algorithmically driven computer systems that reach out to the billions of websites on the internet (called crawling) which is then stored for later use when someone runs a search. Popular examples include Google, Yahoo, Bing, and others. Directories are listings of websites, often by category, with information that is harvested by humans. The largest example of a directory is DMOZ. While searching directories can be a more arduous process than using search engines, they provide a high amount of relevance to those looking for information since the human component ensures that the listings are of great value.
Spider-Based Search Engines. Directory-Based Search Engines. Link-Based Search Engines.
Identify 5 types of search engines and explain the difference between
results come from the Yahoo Directory
A crawler is the bot that crawls a site to rank it and or submit it into a search engine. A directory search engine is a website that has websites listed on it and allows you to search for what you are looking for inside of the directory.
A search engine is a database of websites. Each search engine has a dedicated spider that regularly crawls the net. Search results are displayed according to the keywords entered by Internet users. A directory is catalogue of websites classified by categories. Unlike search engines, submitted websites are reviewed by a human editor.
These are the search engines and directories, which provides search results for Yahoo.BingYahoo directoryGoogleWikipediaDmoz
Google!
Google, Bing, Yahoo, Ask A major directory is ABOUT.COM I THINK
A subdirectory is a folder located within another folder on a file system, organizing files hierarchically. Searching involves looking for specific information or files within a system, using keywords or criteria to find relevant results. Subdirectories help organize files within a system, while searching helps locate specific files or information within those directories.
There are 3 types of search engines:Crawler-based search engines: These search engines, such as Google, create their listings automatically.Human-powered directories: A human-powered directory, such as the Open Directory Project depends on humans for its listings.Hybrid search engines: Hybrid search engines will favor one type of listings over another. For example, MSN Search is more likely to present human-powered listings from LookSmart. However, it also presents crawler-based results, especially for more obscure queries.
International Directory of Search Engines. Giving you links to search engines from the USA, EU countries, Australia, Canada, China, India...etc
Search engines have a common Web Directory Open Director Project (Dmoz) Get listed in appropriate category of Dmoz, all the search engines will list your site further. Other way is to manual submission in different web directories like Master moz, the best website, Yahoo director, Bing directory and many others.