Please distribute widely.

We're studying how people use query operators when searching the Web. For instance, a user issuing the query "+Tuscany research grants^50" wants documents containing "Tuscany", which potentially deal with "grants" (preferably) and "research". 

The survey takes 15 to 20 minutes depending on your speed.

You may contribute to this study by clicking on this link:

   http://t2i.univ-pau.fr/opex

For more details about this research:

Gilles Hubert, Guillaume Cabanac, Christian Sallaberry, Damien Palacio (2011). Query Operators Shown Beneficial for Improving Search Results. TPDL 2011: Proceedings of the International Conference on Theory and Practice of Digital Libraries, Springer, LNCS 6966, pp. 118-129. DOI:10.1007/978-3-642-24469-8_14
http://www.irit.fr/publis/SIG/2011_TPDL_HCSP.pdf

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Guillaume Cabanac, Gilles Hubert, Damien Palacio, and Christian Sallaberry
Universities of Toulouse and Pau, France
University of Zurich, Switzerland
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