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Web search engines

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EULER: Portal to Mathematics Publications

The European Libraries and Electronic Resources (EULER) Project in Mathematical Sciences provides the EulerService site for searching out "mathematical resources such as books, pre-prints, web-pages, abstracts, proceedings, serials, technical reports and thesis." Using a search interface that taps university databases like MathDoc (for preprints) and NetLab (for Internet resources), this...

Hot on the heels of AltaVista's Raging Search (see the May 5, 2000 Scout Report) comes another returned and (somewhat) slimmed-down search engine that focuses on relevant results. Like Raging Search, Excite's new Precision Search uses Google-style link analysis technology ("Deep Analysis") to help identify the most useful sites. Test queries produced consistently relevant results among the top few...

This new service is a partnership between LookSmart and the Gale Group, a publisher of research and reference materials for libraries, businesses, and information technologists. The site offers free access to the full-text of articles published in over 350 magazines and journals dating from 1998. Users can search the database by keyword and by one of the nine subject categories (Arts &...
FindSounds is new search engine devoted to finding sample sounds and sound effects on the Web. The easy-to-use search feature offers variables including the file formats AIFF, .wav, and .au; mono or stereo; resolution; sample rate; and maximum file size up to two megabytes; as well as simply the subject of the sound. For those who might feel overwhelmed, there is also a partial directory of...
First Monday: The Effects of September 11 on the Leading Search Engine

Some of our readers may already have noticed that Google (last mentioned in the July 20, 2001 Scout Report) is sporting a new look these days. Running along the top of the search page are now four tabs: Web, Images, Groups (newsgroups), and Directory (Open Directory's human-selected listings) that enable users to see different sets of search results. We reported on the Beta version of Google's...

A previously reviewed nettool recently announced the release of its final version. Google (see the June 4, 1999 Scout Report), a search engine originally developed at the Stanford University Computer Science Department, rates the relevance of a Webpage to a particular search query in part by examining how many other Webpages link to it. While maintaining the valuable feature Uncle Sam, an index...
Google Advanced Search

Google has unveiled an advanced search page, which features pull-down menus that allow users to specify included and excluded keywords and domains, specify languages, and find pages that link to or are similar to specified pages. The page also links to Google's topic-specific search pages (US Government, Mac, Linux, etc.).
Google Advanced Search: Google Adds Date-Based Searching

Google has introduced yet another new feature to its dominant search engine -- date-based searching. Users can access this feature on the advanced search page, limiting their searches to pages that have been updated in the past three months, six months, or year. Definitely worth a spin.
Google Image Search

Google has an image search engine, which claims to be the most comprehensive on the Web, indexing over 150 million images. Keyword searches produce return pages with 20 thumbnails, each of which includes image size information and the URL of the source page. Clicking on a thumbnail produces a framed page with a larger image of the thumbnail above the full page on which the image was found. Users...
Google's Kevin McCurley on the Mathematics of Online Search

The Mathematical Association of America (MAA) sponsors a slew of terrific talks and events each year, and recently they have begun to place digital versions of these online. This particular talk features observations from Google research scientist Kevin McCurley. In this talk from November 2009, McCurley focuses his presentation on the mathematics used to generate good search results and the more...
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