Workflow Management for a Cosmology Collaboratory

(整期优先)网络出版时间:2001-01-11
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TheNearbySupernovaFactoryProjectwillprovideauniqueopportunitytobringtogethersimulationandobservationtoaddresscrucialproblmsinparticleandnuclearphysics.ItsdgoalistosignificantlyenhanceourunderstandingofthenuclearprocessesinsupernovaeandtoimproveourabilitytousebothTypeIaandTypeIIsupernovaeasreferencelightsources(standardcandles)inprecisionmeasurementsofcosmologicalparameters.Overthepastseveralyears,astronomersandastrophysicistshavebeenconductingin-depthskysearcheswiththegoalofidentifyingsupernovaeintheirearliestevolutionarystagesand,duringthe4to8weeksoftheirmost"explosive~activity,measuretheirchangingmagnitudeandspectra.ThesearchprogramcurrentlyunderdevelopmentatLBNLisanearth-basedobservationprogramutilizingobservationalinstrumentsatHaleakalaandMaunaKea,HawaiiandMt.Palomar,California,Thisnewprogramprovidesademandingtestbedfortheintegrationofcomputational,datamanagementandcollaboratorytechnologies.Aciticalelementofthiseffortistheuseofemergingworkflowmanagementtoolstopermitcollaboratingscientiststomanagedataprocessingandstorageandtointegrateadvancedsupernovasimulationintothereal-timecontroloftheexperiments.Thispaperdescribestheworkflowmanagementframeworkfortheproject,discussessecurityandresourceallocationrequirementsandreviewsemergingtoolstosupportthisimportantaspectofcollaborativework.