Keyword queries of the Internet Sleuth database with sample queries resulted in zero hits. Specialized search engine precision results varied by tool. Maintained by professionals in the fields covered. Geosciences housed at University of Calgary, Meteorology housed at Penn State, etc. Queries forwarded to Alta Vista yielded average precision.
Current focus is on academic and technical sites.
Search interface provides many search refinement options. Alta Vista subject channels are based upon the Look Smart database. No science categories or sub-categories were found in the Excite channels. Searches can be limited by date, geographic location and domain. Results can be refined with new terms.