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The queries in this directory are out dated. The reason is that we do not
test non-temporal PSM in our experiments. -- 06/30/2011

(The above note is taken when we are preparing the ICDE2012 submission.)
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I've run these queries in DB2. The ones that work are
q10, q14, q19, q2, q20, q3, q7, and q8. --08/09/2011
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q19 looks funny. It should be investigated more. --08/16/2011
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q11 and q11s does not work yet due to the table-in-from-clause problem
