Effective ranking system puts
most cited pages first in results list. Indexes text behind pdf and gif files.
Caches pages when indexed. Searches first 101K of page ONLY.
|A metasearch engine, this provides a visual "map"of search results, a la Grokker.||Second to Google in size of results. Has a small collection of reference sources under "Shortcut"||Suggests categories ("communities") of results.|
|Phrase searching||Yes. Use " ". Searches stop words in phrases.||Yes. Use " ".||Yes. Use " ".||Yes. Use " ", searches stop words in phrases|
|Combining multiple terms||Default AND in Basic, - for NOT, capitalize OR. Will search ANY= or WITHOUT= in Advanced, no nesting.||Default AND, can use OR, or NEAR. No nesting, no NOT.||Default AND. Capitalize OR, NOT, nest with ( ).||
Default AND in Basic, capitalize OR.
+retrieves stop words (not needed in phrase searches), moves results up in ranking
-excludes, +retrieves stop words
|+ requires. -excludes, theoretically, but inconsistently|
|Results ranking||Automatic fuzzy AND, with pages to which many sites link placed first||Arranges returns by topics, with interrelations shown via mouse-overs||Automatic fuzzy AND||Displays sponsored sites first, clearly labelled. Within 'communities', ranks by 'subject specific popularity'.|
|Truncation||Automatically stems with Google-defined rules. Prevent by using a + in front of the term. ~ searches Google-defined synonyms.||Yes, use *||No, search with OR||Automatically stems with Teoma-defined rules. Prevent by using a + in front of the term.|
|Case sensitivity||No||No, but if capitals are used, exact matches will be required from some engines.||No.||No.|
|Subsearching||Use "search within results" and add terms||Yes. Use "Add a topic."||Add terms.||Use 'Refine' suggestions|
|Field searching||Yes, but more easily in Advanced. In Basic, use intitle:, inurl:, site:||title: url: host: domain: text: image: etc.||intitle:, inurl:, hostname: in
In Advanced, select from menu
|Limited, easier in Advanced. In Basic, use allintitle:, allinurl:, geoloc:NA|
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