• Temper : uma abordagem para modelagem temporal de banco de dados 

      Antunes, Dante Carlos; Heuser, Carlos Alberto; Edelweiss, Nina (1997) [Artigo de periódico]
      Several temporal extensions to the original entity-relationship (ER) approach have been proposed in literature. A temporal ER model includes temporal ER elements (entities, relationships and attributes). Temporal ER elements ...