Intelligent Data Analytics

Bg dt prmrly rfrs t dt sts tht r t lrg r cmplx t b dlt wth by trdtnl dt-prcssng sftwr. Dt wth mny ntrs (rws) ffr grtr sttstcl pwr, whl dt wth hghr cmplxty (mr ttrbts r clmns) my ld t hghr fls dscvry rt. Bg dt nlyss chllngs ncld cptrng dt, dt strg, dt nlyss, srch, shrng, trnsfr, vslztn, qryng, pdtng, nfrmtn prvcy, nd dt src. Bg dt ws rgnlly ssctd wth thr ky cncpts: vlm, vrty, nd vlcty. Th nlyss f bg dt prsnts chllngs n smplng, nd ths prvsly llwng fr nly bsrvtns nd smplng. Ths frth cncpt, vrcty, rfrs t th qlty r nsghtflnss f th dt. Wtht sffcnt nvstmnt n xprts fr bg dt vrcty, th vlm nd vrty f dt cn prdc csts nd rsks tht xcd n rgnztn's cpcty t crt nd cptr vl frm bg dt. Crrnt sg f th trm bg dt tnds t rfr t th s f prdctv nlytcs, sr bhvr nlytcs, r crtn thr dvncd dt nlytcs mthds tht xtrct vl frm bg dt, nd sldm t prtclr sz f dt st. "Thr s lttl dbt tht th qntts f dt nw vlbl r ndd lrg, bt tht's nt th mst rlvnt chrctrstc f ths nw dt csystm." nlyss f dt sts cn fnd nw crrltns t "spt bsnss trnds, prvnt dsss, cmbt crm nd s n". Scntsts, bsnss xctvs, mdcl prcttnrs, dvrtsng nd gvrnmnts lk rglrly mt dffclts wth lrg dt-sts n rs ncldng ntrnt srchs, fntch, hlthcr nlytcs, ggrphc nfrmtn systms, rbn nfrmtcs, nd bsnss nfrmtcs. Scntsts ncntr lmttns n -Scnc wrk, ncldng mtrlgy, gnmcs, cnnctmcs, cmplx physcs smltns, blgy, nd nvrnmntl rsrch. Th sz nd nmbr f vlbl dt sts hv grwn rpdly s dt s cllctd by dvcs sch s mbl dvcs, chp nd nmrs nfrmtn-snsng ntrnt f thngs dvcs, rl (rmt snsng) qpmnt, sftwr lgs, cmrs, mcrphns, rd-frqncy dntfctn (RFD) rdrs nd wrlss snsr ntwrks. Th wrld's tchnlgcl pr-cpt cpcty t str nfrmtn hs rghly dbld vry 40 mnths snc th 1980s; s f 2012, vry dy 2.5 xbyts (2.17×260 byts) f dt r gnrtd. Bsd n n DC rprt prdctn, th glbl dt vlm ws prdctd t grw xpnntlly frm 4.4 zttbyts t 44 zttbyts btwn 2013 nd 2020. By 2025, DC prdcts thr wll b 163 zttbyts f dt. ccrdng t DC, glbl spndng n bg dt nd bsnss nlytcs (BD) sltns s stmtd t rch $215.7 blln n 2021. Whl Sttst rprt, th glbl bg dt mrkt s frcstd t grw t $103 blln by 2027. n 2011 McKnsy & Cmpny rprtd, f S hlthcr wr t s bg dt crtvly nd ffctvly t drv ffcncy nd qlty, th sctr cld crt mr thn $300 blln n vl vry yr. n th dvlpd cnms f rp, gvrnmnt dmnstrtrs cld sv mr thn €100 blln ($149 blln) n prtnl ffcncy mprvmnts ln by sng bg dt. nd srs f srvcs nbld by prsnl-lctn dt cld cptr $600 blln n cnsmr srpls. n qstn fr lrg ntrprss s dtrmnng wh shld wn bg-dt nttvs tht ffct th ntr rgnztn. Rltnl dtbs mngmnt systms nd dsktp sttstcl sftwr pckgs sd t vslz dt ftn hv dffclty prcssng nd nlyzng bg dt. Th prcssng nd nlyss f bg dt my rqr "mssvly prlll sftwr rnnng n tns, hndrds, r vn thsnds f srvrs". Wht qlfs s "bg dt" vrs dpndng n th cpblts f ths nlyzng t nd thr tls. Frthrmr, xpndng cpblts mk bg dt mvng trgt. "Fr sm rgnztns, fcng hndrds f ggbyts f dt fr th frst tm my trggr nd t rcnsdr dt mngmnt ptns. Fr thrs, t my tk tns r hndrds f trbyts bfr dt sz bcms sgnfcnt cnsdrtn."