事件描述语言
Thisthesisde nesaneventsp?eci cationlanguage,SNOOP.Wegiveprecisesemanticsofprimitiveeventsandseveraleventop?eratorsneededtoexpreS/SCompositeevents.SNOOPsupportstemporal,prio?dic,ap?erio?dic,explicitandcomp?ositeeventsinadditiontothetraditionaldatabaseeventsandprovidesametho?dforhandlingcontingencyplansusedintime-constrainedapplications.Furthermore,weprop?osethedesignofacomp?ositeeventdetectorthatcapturesthenotionofmo?dularityandxtensibility.Wede nedi erentcontexts,namelyRecent,ChronicleandCumulative,fordetectingcomp?ositeeventsanddescrib?etheirimplicationsoneventsignalling.Snoop_Anexpressiveeventspecificationlanguageforactivedatabases.pdf
(Thisthesisde nesaneventsp? eci cationlanguage,SNOOP.Wegiveprecisesemanticsofprimitiveeventsandseveraleventop? eratorsneededtoexpreS/SCompositeevents. SNOOPsupportstemporal,prio? dic,ap? erio? dic,explicitandcomp? ositeeventsinadditiontothetraditionaldatabaseeventsandprovidesametho? dforhandlingcontingencyplansusedintime-constrainedapplications. Furthermore,weprop? osethedesignofacomp? ositeeventdetectorthatcapturesthenotionofmo? dularityandxtensibility. Wede nedi erentcontexts,namelyRecent,ChronicleandCumulative,fordetectingcomp? ositeeventsanddescrib? etheirimplicationsoneventsignalling.
Snoop_ Anexpressiveeventspecificationlanguageforactivedatabases.pdf)
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