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Traditional search engines are good for casual search, but let the
user "flail" on difficult search problems. In particular, they are
designed for depth-first search and are not well suited for carrying out a
breadth-first search over the result sets of multiple queries.
To help users with difficult search problems we have created
Noflail Search™, a search front-end that lets users
browse multiple result sets at once and provides cooperative
responses to queries that produce no results. You can try it out at
The following white paper has background information on cooperative responses:
and the following technical report describes and analyzes the algorithm used
by Noflail Search to compute cooperative responses:
A presentation related to Noflail Search was made at the
Search Engine Meeting. You can find a PDF file containing the
presentation at the meeting Web site, or you can download the original
More details on Noflail Search can be found in the white papers:
Please note that the white papers are out of date in one respect:
Noflail Search now uses the Bing™ API as its back-end.. (Bing is a
trademark or registered trademark of Microsoft. Pomcor is not
affiliated with Microsoft.)
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