Article: Six Search Technologies You Should Know About

Author: David Rodnitzky

Posted: July 2008 | DM Confidential

Full article: http://experts.dmconfidential.com/Search/Six-Search-Technologies-You-Should-Know-About/

Summary: interesting article of six search engine technologies that have become the medium for some of the online’s highest visited websites.  Very web2.0. Listed a summary of the six technologies but for a better understanding you should read the article. David Rodnitzky does a great job explaining each search technology.

1. Collaborative Filtering - Collaborative filtering is technology that matches your interests to people similar to you, best expressed in Amazon’s “People who bought this book also bought . . .” Example: Amazon.com
2. Personalization - Personalization uses data a search engine has about you to serve more relevant results in the future. Example: Google Personalization
3. Semantic Search - Semantic search identifies similarities in words and phrases. Example: Yahoo “also try” results
4. Clustering - Clustering, or clustered search, tries to categorize words or phrases into a taxonomy (or groups) of related themes.  Example: Ebay search results
5. Local Search - Local search can be described in two ways - either it’s interactive maps like Google Maps, or it’s geo-targeting based on the IP address or user registration information. Example: Google Local
6. Human-Edited Search Engines - Basically you are able to text a phone number and humans will search online to look up the answer for you. Think of services such as Chacha.