How do search engines differ: - Web Crawler Search Engines: Use spiders or bots to travel to each page and gather key words the on the page and adds it to its database. The database is than searched.
- Meta Search Engines: search engines that search search engines for results. These search engines search indices and directories of other search engines for their results.
- Directory Search Engines: human created directories of web content
- Hybrid Search Engines: a combination of both crawler search and directory search engines.
- Question Answering Engines: search by asking a question in natural language
Questions to answer:
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