Elements of a search engine
There are basically 3 parts:
1) The "spider", "crawler" or "bot" collects data from the web.
2) The "indexer" analyzes the content, decides on appropriate keywords and makes some preliminary determination about the "importance" of a page by some algorithm (Google uses PageRank, for instance).
3) The "engine" is the component that services the users request and matches the keywords to specific pages or other content.
- extracted from a reply by Paul Williams in LinkedIn Answers: Web Development
1) The "spider", "crawler" or "bot" collects data from the web.
2) The "indexer" analyzes the content, decides on appropriate keywords and makes some preliminary determination about the "importance" of a page by some algorithm (Google uses PageRank, for instance).
3) The "engine" is the component that services the users request and matches the keywords to specific pages or other content.
- extracted from a reply by Paul Williams in LinkedIn Answers: Web Development
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