title: semantic assumptions and query evaluation in temporal databases. authors: sushil jajodia , xiaoyang sean wang , elisa bertino , claudio bettini. venue: sigmod conference. year: 1995.0
title: on the issue of valid time ( s ) in temporal databases acm sigmod record. authors: stavros kokkotos , efstathios v. ioannidis , themis panayiotopoulos , constantine d. spyropoulos. venue: nan. year: 1995.0