Software for Findability

Search Engines Overview
Whoever delivers the most relevant results fastest wins.
Search Engine Watch - news and links
Search Tools for Web Sites and Intranets - news and links
The Anatomy of a Large-Scale Hypertextual Web Search Engine - by Sergey Brin and Larry Page
Search Engine Decoder - application from Search-This
Unstruct.org - blog by Mikael Thorson, Magnus Stensmo

Web Search Examples
Tools that search the surface Web.
Google - powered by PageRank
Yahoo!
MSN Search
Ask Jeeves
Dogpile - metasearch
A9 - from Amazon

Site Search Examples
Tools for searching web sites and intranets.
Endeca - faceted navigation
Verity Ultraseek
Google Enterprise Search

Specialized Search
Interesting examples of specialized search applications.
Hermitage Museum - powered by QBIC
Advanced Image Search - from Google
Electronic Book Search - from the Electronic Text Center
Search American Verse - from the Humanities Text Initiative

Information Visualization
Visual displays for better retrieval. Seeing is believing.
OLIVE - class project for Ben Shneiderman
Information Visualization - presentation by Karl Fast
Grokker - software from Groxis
VIBE - group at Microsoft Research
Antarctica Systems - company founded by Tim Bray