Social network evolution and social learning are modelled in coherence.docx

Social network evolution and social learning are modelled in coherence.docx

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Socialnetworkevolutionandsociallearningaremodelledincoherence

Understandingthedesignandeconomicsofdistributedtri-generationsystemsforhomeandneighborhoodrefueling—PartI:

Singlefamilyresidencecasestudies  OriginalResearchArticle

JournalofPowerSources,Volume196,Issue4,15February2011,Pages2098-2108

XupingLi,JoanM.Ogden

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AbstractAbstract|Figures/TablesFigures/Tables|ReferencesReferences

Abstract

Thepotentialbenefitsofhydrogenasatransportationfuelwillnotbeachieveduntilhydrogenvehiclescaptureasubstantialmarketshare.However,althoughhydrogenfuelcellvehicle（FCV）technologyhasbeenmakingrapidprogress,thelackofahydrogeninfrastructureremainsamajorbarrierforFCVadoptionandcommercialization.Thehighcostofbuildinganextensivehydrogenstationnetworkandtheforeseeablelowutilizationintheneartermdiscouragesprivateinvestment.Basedonthepastexperienceoffuelinfrastructuredevelopmentformotorvehicles,innovative,distributed,small-volumehydrogenrefuelingmethodsmayberequiredtorefuelFCVsinthenearterm.Amongsmall-volumerefuelingmethods,homeandneighborhoodtri-generationsystems（systemsthatproduceelectricityandheatforbuildings,aswellashydrogenforvehicles）standoutbecausethetechnologyisavailableandhaspotentialtoalleviateconsumer'sfuelavailabilityconcerns.Inaddition,ithasfeaturesattractivetoconsumerssuchasconvenienceandsecuritytorefuelathomeorintheirneighborhood.

Theobjectiveofthispaperistoprovideanalyticaltoolsforvariousstakeholderssuchaspolicymakers,manufacturersandconsumers,toevaluatethedesignandthetechnical,economic,andenvironmentalperformancesoftri-generationsystemsforhomeandneighborhoodrefueling.Aninterdisciplinaryframeworkandanengineering/economicmodelisdevelopedandappliedtoassesshometri-generationsystemsforsinglefamilyresidences（casestudiesonneighborhoodsystemswillbeprovidedinalaterpaper）.Majortasksincludemodelingyearlysystemoperation,exploringtheoptimalsizeofasystem,estimatingthecostofelectricity,heatandhydrogen,andsystemCO2emissions,andcomparingtheresultstoalternatives.Sensitivityanalysisisconducted,andthepotentialimpactsofuncertaintiesinenergyprices,capitalcostreduction（orincrease）,governmentincentivesandenvironmentalcostareevaluated.Policyimplicationsofthemodelingresultsarealsoexplored.

ArticleOutline

1.Introduction

2.Tri-generationsystemdescription

3.Methodsanddata

3.1.Aninterdisciplinaryanalyticframework

3.2.TheHTS（H2tri-generationsystem）model

3.3.Energydataandotherinputs

4.Casestudies

4.1.Theoptimalsizeofahomesystemforsinglefamilyresidences

4.1.1.Resultsanddiscussion

4.1.2.Optimalsystemsizesensitivityanalysis

4.2.Theeconomicsofoperatinga2 kWtri-generationsystem

4.2.1.Resultsanddiscussion

4.2.2.Sensitivityanalysis

5.Discussionofotherissues

6.Conclusions

Acknowledgements

References

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Researchhighlights

Aninterdisciplinaryframeworkandanengineering/economicmodel（HTSmodel）aredeveloped.

Thedesign,andtechnical,economic,andenvironmentalperformancesoftri-generationsystemsfortheco-productionofresidentialelectricity,heatandhydrogenforrefuelingvehiclesisevaluated.

Tri-generationforhomerefuelingiscompetitivewithotherearlyoptionsforfuelinghydrogencars,althoughitisdifficulttocompetewithconventionaltechnologies（thecombinationofgridelectricity,naturalgashotwaterheat,andgasoline）unlesscapitalcostsarereduced,orgasolinepricesincrease.

252

SupportingHopeandPrognosticInformation:

Nurses'PerspectivesonTheirRoleWhenPatientsHaveLife-LimitingPrognoses  OriginalResearchArticle

JournalofPainandSymptomManagement,Volume39,Issue6,June2010,Pages982-992

LynnF.Reinke,SarahE.Shannon,RuthA.Engelberg,JessicaP.Young,J.RandallCurtis

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Abstract

Context

Cliniciansoftenfeelchallengedbytheneedtodeliverdifficultprognosticinformationtopatientswithalife-limitingillnesswhile,atthesametime,supporttheirhopes.Fewstudieshaveexaminednurses'perspectivesontheirrolesinmeetingthesepatientandfamilyneeds.

Objectives

Ourobjectiveswereto1）describenurses'perspectivesonmeetingpatients'needsforhopeandillnessinformationand2）offerinsightsforinterventionsdesignedtoimprovecommunicationaboutend-of-lifecareforpatientsandtheirfamilies.

Methods

Usingexperiencedinterviewers,weconductedone-on-one,semistructuredinterviewswith22nursescaringforpatientswithadvancedchronicobstructivepulmonarydiseaseorcancer.Interviewswereanalyzedusingalimitedapplicationofgroundedtheory.

Results

Threethemesemerged:

1）Nursessupportpatients'hopesbyunderstandingindividualaspectsofthesehopes,focusingonpatient'squalityoflife,andbuildingtrustwithpatients;2）Nursesprovideprognosticinformationbyassessingwhatthepatientknowsandfollowingtheirlead.Nursesreportdoingthesetwoactivitiesindependently;and3）Nursesidentifyactivitiesassociatedwiththeprovisionofprognosticinformationthatrequiredcollaborationwithphysicians.Importantbarriersthatcomplicateeffectivediscussionofprognosiswithpatientsandfamilieswereidentified.

Conclusions

Nursesdescribebehaviorsthatareusefulwhenmeetingpatients'andfamilies'needsforhopeandwhichtheyarecomfortableimplementinginpractice,withoutcollaborationwithotherclinicians.Bycontrast,mostbehaviorsrelatedtomeetingpatients'andfamilies'needsregardingprognosticinformationarecompletedcollaborativelywithphysicians.Thesefindingsprovideinsightforthedevelopmentofinterdisciplinaryinterventionstargetingcommunicationaroundend-of-lifecare.

ArticleOutline

Introduction

Methods

Design

ParticipantRecruitment

DataCollection

QualitativeAnalysis

Results

DescriptionoftheParticipants

Nurses'ApproachtoMeetingNeedsforHope

AskingPatientsandFamiliesAboutTheirHopes

Nurses'ApproachtoMeetingNeedsforIllnessInformation

IndependentNursingActivities

Coordinated/InterdependentNursingActivities

NursesContinueDiscussionsAfterDeliveryofBadNews

Nurses'ScopeofPractice

Discussion

Acknowledgements

References

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253

Thechallengeofe-participationinthedigitalcity:

Exploringgenerationalinfluencesamongcommunitytelecentreusers  OriginalResearchArticle

TelematicsandInformatics,Volume28,Issue3,August2011,Pages204-214

ArleneBailey,OjelankiNgwenyama

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Abstract

Aprimarychallengeforthedevelopmentofe-governmentandthedigitalcityisparticipationbylow-income,olderandtechnology-challengedcitizens.Thispaperreportsontheroleofinter-generationalinteractionsincommunitytelecentresinfacilitatinglow-income,olderandtechnology-challengedcitizensingainingaccessandusingdigitalcityinfrastructure.Ourresearchalsofindsthatvirtualcommunitiesareplayingaroleinsupportinge-participationamongolder,technology-challengedcitizens.Weexaminetheinfluenceandinteractionofmembersofofflinecommunities,whousetelecentres,onvirtualcommunityparticipation.Thesecommunitiesandtelecentrescanprovidesupportfortheprovisionofe-servicesandthedevelopmentofthedigitalcity.Weexploretheseissuesbasedonempiricalfieldresearchincommunity-basedtelecentresinadevelopingcountry.Inter-generationalinteractionsareexploredthroughananalysisusingsocialnetworks,socialidentityandsocialrepresentationstheories.

ArticleOutline

1.Introduction

2.Relatedpreviousresearch

3.Researchcontextandmethod

3.1.Researchcontext

3.2.Researchmethod

4.Researchfindings

4.1.Telecentrecoordinators’perspective

4.2.Telecentreusers’perspective

5.Discussionoffindings

5.1.Generationalinfluence

5.2.Socialidentity

5.3.Socialnetworks

5.4.Socialrepresentations

6.Conclusionsandimplications

Acknowledgements

References

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254

EvaluationoftwointegratedsignallingschemesfortheUltraFlatArchitectureusingSIP,IEEE802.21,andHIP/PMIPprotocols  OriginalResearchArticle

ComputerNetworks,InPress,CorrectedProof,Availableonline10February2011

ZoltánFaigl,LászlóBokor,PedroMiguelNeves,KhadijaDaoud,PhilippeHerbelin

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Abstract

TelecommunicationsupplierspredictahugemobileInternettrafficincreaseforthenextdecade.Itseemstobetechnicallychallengingandexpensivetoadaptcurrentmobilenetworkarchitecturestotheincreasingtrafficdemand.Corenetworktechnologymustscaletothedemandsunderlimitedrevenuegrowth.Thisworkistodiscussanew,flat,fullydistributedandconvergentnetworkarchitecture,calledUltraFlatArchitecture.ItiswellscalableduetothedistributionofIPandnumerouscontrolfunctionsatintelligentgatewaysplacedwithinorclosetothebasestations.Thispaperfocusesonthedetailedpresentationoftworelevantintegratedsignallingschemesofthearchitecture.Theseschemesextendt