IRIS 42: Information and Research Instruction Suite for two-year colleges

Free Databases

there are millions on the web

One way to search for a book in a library is to go to that library's web site and use the book catalog's search feature.

use the catalog search box on the library's web page to search for a book in the library. The catalog is an example of a database of materials in the library.

The information stored in the library's book catalog (a database) is free, but the search engine cannot go deep enough to crawl it.

The book catalog is part of the free deep web: it's out there for anyone to look at. You can get to it, but search engines can't.

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