<?xml version="1.0"?>
<dblp>
<article key="journals/tcs/VandeurzenGG01" mdate="2003-11-19">
<author>Luc Vandeurzen</author>
<author>Marc Gyssens</author>
<author>Dirk Van Gucht</author>
<title>On the expressiveness of linear-constraint query languages for spatial databases.</title>
<pages>423-463</pages>
<year>2001</year>
<volume>254</volume>
<journal>Theor. Comput. Sci.</journal>
<number>1-2</number>
<url>db/journals/tcs/tcs254.html#VandeurzenGG01</url>
<ee>http://dx.doi.org/10.1016/S0304-3975(99)00316-3</ee>
</article>
</dblp>
