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=777777777777777777777777777777=

























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-----------------------------#fb
      ,ab/ract

    ,data-,driv5 ,analysis &
,manage;t ,guidel9es = ,monitor+
,socially ,isolat$ ,h\seholds "?
,sm>t ,c>e ,sy/ems

  ,soo-,2om ,*oi1 ,m9-,suk
,yoon1 ,jun-,"y ,*oi1 ,sun-,joo
,p>k

  ,! gr[+ eld]ly popula;n & 
9cr1se 9 s+le-p]son h\seholds 9
,se\l h rais$ 3c]ns ab social
isola;n & solit>y d1?s4 ,to
address ^! issues1 ,se\l has
imple;t$ a 8sm>t plug0 sy/em t
monitors h\sehold electric;y
usage & li<t levels4 ,if no
*anges >e detect$ ov] a specific
p]iod1 al]ts >e s5t to local
monitor+ c5t]s4 ,:ile ? sy/em
has prov5 e6ective = e>ly
detec;n ( dec1s$ 9dividuals1 x
#fb         ,ab/ract        #aee
"uscores ! ne$ = a proactive
approa* to prev5t solit>y d1?s4
,a compreh5sive frame"w is nec
to id5tify signs ( social
isola;n e>ly1 l"eag+ ,io,t  
s5sors & welf>e data to monitor
at-risk h\seholds & (f] tailor$
s]vices4 ,9tegrat+ data f v>i\s
c>e s]vices cd help bridge exi/+
s]vice gaps1 significantly
3tribut+ to ! e/abli%;t ( a
safety net4
  ,? /udy analyz$ data f #bfj
h\seholds us+ sm>t plugs1 manag$
by ,se\l's ,sm>t ,c>e t1m1 to
evaluate ! sy/em's e6ective;s4
,us]s 7 categoriz$ 9to regul> &
crisis situa;ns1 ) ! latt]
9clud+ 9/.es ( e>ly d1? 4cov]ies
& o!r 9t]v5;n cases4 ,! analysis
rev1l$ t mo/ e>ly 4cov]y cases
9volv$ m5 9 _! #fjs1 "picul>ly 9
! ,guro 4trict4 ,:ile sm>t plugs
7 e6ective = e>ly d1? detec;n1 !
f9d+s 9dicate a ne$ = a m
sy/ematic approa* to manag+
at-risk
-----------------------------#fc
gr\ps t ext5ds 2y age-bas$ 
crit]ia4 ,exam9a;n ( "t-s]ies 
electric;y usage data rev1l$ 
4t9ct patt]ns bas$ on appli.e 
type1 : cd s]ve z 9dicators ( 
irregul>ities 9 daily r\t9es1 
facilitat+ e>ly id5tifica;n ( 
crisis symptoms4
  ,by analyz+ *anges 9 
electric;y usage to 4c]n activ;y
patt]ns1 crit]ia = re9/all+ sm>t
plugs 7 e/abli%$4 ,daily usage
correla;ns 7 m1sur$ to 
di6]5tiate 2t 3si/5t & irregul>
patt]ns4 ,h\seholds ) 3si/5tly
l[ correla;n values (t5 9dicat$
irregul> 2havior1 su7e/+
opportunities = e>ly crisis
9t]v5;n4 ,clu/]+ analysis us+
,,dbscan %[$ t :ile mo/ us]s
ma9ta9$ regul> r\t9es1 h\seholds
9 ! c>e reque/ gr\p exhibit$
irregul>ities1 re9=c+ ! ne$ =
b#fb        ,ab/ract        #aeg
regul> well;s *ecks4 ,bas$ on ^!
results1 a crit]ion = sm>t plug
re9/alla;n 0 develop$1 id5tify+
#cj4h.0 ( h\seholds z ne$+    
new or addi;nal 9/alla;ns due to
unusual usage patt]ns1 "!by
help+ to prev5t device 
malfunc;ns & 5hanc+ s]vice
reliabil;y4
  ,an ,,xg,boo/ model 0 develop$
to pr$ict crisis situa;ns bas$ 
on sm>t plug data collect$ at 
#aj-m9ute 9t]vals4 ,? ma*9e 
le>n+ model 0 tra9$ to 
di6]5tiate 2t regul> & crisis
sc5>ios1 9clud+ e>ly d1? 
4cov]ies1 em]g5cy 4pat*es1 & c>e
reque/s4 ,,xgb,'oo/ is r5[n$ =
xs hi< p]=m.e ) complex 
datasets1 a*iev+ an ,,auc value
( #j4hgc & an a3uracy rate (
#hj4a.0 on ! valida;n set1 :
9dicates /r;g pr$ictive 
capabil;y4 ,,roc analysis 3firm$
t ! ,,auc ( #j4hgc signifies
excell5t model p]=m.e1 z values
abv #j4h >e g5]ally reg>d$ z
favorable1 :ile values 2l #j4f
su7e/ limit$ pr$ictive capac;y4
,bas$ on ^! results1 ! model's 
al]t sy/em su3ess;lly classifi$ 
h\seholds at risk ) an a3uracy (
#gh4c.01 provid+ "tly 
notifica;ns :5 crisis signals
p]si/$ = ov] #bd h\rs4
  ,to fur!r 5h.e e>ly detec;n (
prol;g$ 9activ;y1 a "t-s]ies
=eca/+ model 0 employ$ to
monitor ext5d$ p]iods ( 9activ;y
"<exce$+ #ej h\rs">4 ,? approa*
yield$ an impressive ,,auc value
( #j4idf1 r$uc+ ! al]t 9t]val f
! previ\s #ej h\rs to a m
responsive
-----------------------------#fd
#ag-h\r w9d[4 ,am;g ! ?ree ,,ai 
models develop$1 ! f/ focus$ on 
detect+ device malfunc;ns to 
recomm5d re9/alla;n z ne$$1 "!by
improv+ ,io,t s5sor reliabil;y &
r$uc+ unnec op]a;nal co/s4 ,! 
b#fc        ,ab/ract        #aei
second model t>get$ irregul> 
activ;y patt]ns1 5abl+ 
preemptive well;s *ecks = 
h\seholds %[+ signs ( crisis4 ,!
?ird model 5h.ed response "ts by
l"eag+ "t-s]ies pr$ic;ns to 
detect 9activ;y e>ly1 facilitat+
rapid 9t]v5;n & optimiz+ support
deliv]y = socially isolat$ 
h\seholds4
  ,despite ! e6ective;s ( !
sm>t plug sy/em 9 crisis 
detec;n1 s"eal op]a;nal & data
manage;t *all5ges p]si/4 ,! 
sy/em (t5 tri7]s false al>ms :5
n 9/all$ on frequ5tly us$ 
devices1 : 9cr1ses /aff "wload4
,addi;nally1 us]s o3a.nally 
unplug ! sm>t plug to 3s]ve
electric;y1 : "um9es ! sy/em's
co/-e6ective;s4 ,2c al]ts rely
on 9activ;y detec;n1 ! sy/em is
limit$ 9 xs abil;y to respond to
imm em]g5cies1 s* z /rokes or
he>t attacks4 ,data manage;t
issues al exi/1 z data is 
9consi/5tly h&l$ 2t 
municipalities & s]vice 
provid]s4 ,municipalities reta9
only al>m logs1 :ile raw data
rema9s solely ) s]vice provid]s4
,? sep>a;n re/ricts second>y 
data use & analysis1 s9ce raw 
data is only pres]v$ = "o ye>1 
h9d]+ l;g-t]m 9si<ts & s]vice 
improve;t4
  ,to 5h.e ! sm>t welf>e *eck 
sy/em1 ! /udy recomm5ds /&>diz+
data =mats acr s]vice provid]s =
3si/5t & secure data manage;t4
,us] 9=ma;n1 safety /atus1 &
s]vice usage patt]ns %d foll[ a
common data /&>d1 5abl+ r1l-"t
data ex*ange "? op5 ,,api,'s4
,se\l or relat$ organiza;ns cd
e/abli% an 9tegrat$ 9=ma;n sy/em
to manage ? /&>diz$ data1 
comple;t$ by p]iodic audits to
5sure compli.e ) ! /&>ds4 
,fur!rmore1 data h&l+ guidel9es
m/ 2 imple;t$ at e s]vice /age3
b#fd        ,ab/ract        #afa
f 9itial data collec;n bas$ on
us] 3s5t & r1l-"t monitor+ =
abnormal signs to secure data
dele;n or >*ival ^u s]vice
t]m9a;n4 ,p]sonaliz$ s]vices %d
2 tailor$ to factors s* z     
h1l? /atus1 ,wi-,fi availabil;y1
& sm>t met] compatibil;y4 ,=
example1 hi<-risk 9dividuals cd
-----------------------------#fe
b5efit f we>able fall-al]t 
devices1 :ile h\seholds )\t 
,wi-,fi mi<t use sm>t plugs ) 
built-9 communica;n f1tures4 
,regul>ly updat$ risk crit]ia1 
bas$ on surveys & risk patt]n 
data1 w aid 9 deliv]+ cu/omiz$ 
c>e s]vices = socially isolat$ 
h\seholds1 "!by 5sur+ a m 
responsive & e6ective welf>e 
sy/em4





-----------------------------#ff
      ,3t5ts

    #ja ,9troduc;n
  #a ,backgr.d & ,objectives ( !
,/udy
  #b ,rese>* ,3t5t & ,me?odology

    #jb ,curr5t ,utiliza;n ( 
,sm>t ,c>e ,te*nology
  #a ,/atus ( ,io,t-,bas$ ,c>e 
,te*nology 9 ,japan
  #b ,/atus ( ,io,t-,bas$ 
,welf>e ,*eck ,te*nology 9 
,korea

    #jc ,develop;t ( ,crisis
,signal ,detec;n ,models
  #a ,data ,utiliza;n & ,,ai 
,model ,objectives
  #b ,prev5t+ ,malfunc;n ,"? 
,activ;y ,patt]n ,analysis
  #c ,proactive ,crisis ,signal
,detec;n
  #d ,"t ,s]ies ,=eca/+ to 
#ff          ,3t5ts         #afc
,r$uce ,crisis ,notifica;n 
,delay
  #e ,summ>y

    #jd ,5h.e;t ,/rategies = 
,sm>t ,welf>e ,*eck ,s]vices
  #a ,data ,manage;t ,issues 9 !
,sm>t ,plug ,project
  #b ,guidel9es = ,sm>t ,welf>e
,*eck ,s]vices
















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