I have been posting about search engines on the discussion board for my Gov Docs class, but I'll lose that information at the end of the semester if I don't do something to retain it. So here goes:
- Science.gov searches multiple databases of government scientific information.
- NTIS searches the documents in the National Technical Information Service. Science.gov searches these, as well, but I got different results when I looked for "distance education." Both cover at least some of the social sciences, not just the hard sciences.
- Google Scholar searches scholarly information. There seems to be no advanced search options and I easily got it to demonstrate the weaknesses of keyword searching--a search on "library" or "libraries" results in a lot of articles about chemistry with any library science article buried deeply. But it worked quite well on a search with more specific keywords like "distance education."
- Citeseer calls itself a "scientific literature digital library." It's not clear to me exactly what it is searching but it does seem to provide some useful results.
The last two search engines were discussed on the Collib-L email list server today. NTIS was mentioned in our government documents lecture this week. I remembered Science.gov from when version 2.0 was announced a few months ago.
Addendum: for a much better librarian view of Google Scholar than I could come up with look at Big News: "Google Scholar" is Born.
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