Fuzzy Time Representation and Handling in a relational DB.

Nicolás Marín Juan Miguel Medina Olga Pons M. Carmen Garrido Fuzzy Time Representation and Handling in a relational DB. 91-97 2008 ICSOFT (ISDM/ABF) conf/icsoft/2008-3 db/conf/icsoft/icsoft2008-3.html#MarinMPG08