Custom & Co Search

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http://developer.yahoo.com/boss/search/ BOSS is Yahoo!'s open search and data services platform. The goal of BOSS is simple: to foster innovation in the search industry.

Search BOSS

Yahoo Pipes

Google Custom Search n’est pas un nouvel outil.

Comment fabriquer son propre moteur de recherche social

http://caddereputation.over-blog.com/article-comment-fabriquer-son-propre-moteur-de-recherche-social-70039315.html
Spiders & Bots

http://en.wikipedia.org/wiki/Sciencenet

Sciencenet

Sciencenet is a distributed search engine at KIT – Liebel-Lab for scientific knowledge. The Sciencenet software ( YaCy ) is based on p2p technology developed by Michael Christen in collaboration with Liebel-lab at KIT. [ edit ] Background