Page 21 - ITU Journal - ICT Discoveries - Volume 1, No. 2, December 2018 - Second special issue on Data for Good
P. 21
,78 -2851$/ ,&7 'LVFRYHULHV 9RO 'HFHPEHU
6RYHUHLJQW\ DQG 'DWD 6KDULQJ
3DJHV
Patrick Hummel, Matthias Braun, Steffen Augsberg, Peter Dabrock
,Q WKLV SDSHU ZH FKDUDFWHUL]H WKH QRWLRQ RI GDWD VRYHUHLJQW\ DV D QRUPDWLYH UHIHUHQFH SRLQW IRU LQIRUPDWLRQ DQG
FRPPXQLFDWLRQ WHFKQRORJ\ ,&7 JRYHUQDQFH :H H[SODLQ ZK\ LQ RXU YLHZ HVWDEOLVKLQJ GDWD VRYHUHLJQW\
PHDQV PRUH WKDQ VHFXULQJ SULYDF\ EXW DOVR UHTXLUHV WKH DYDLODELOLW\ RI FRQWUROODEOH PHDQV IRU VKDULQJ
LQIRUPDWLRQ ZLWK RWKHUV :H DUJXH WKDW LQ WKH FRQWH[W RI ELJ GDWD DSSOLFDWLRQV G\QDPLF FRQVHQW PHFKDQLVPV
SOD\ D NH\ UROH LQ VWHHULQJ LQIRUPDWLRQ IORZV LQ DFFRUGDQFH ZLWK WKH SURSRVHG QRUPDWLYH UHIHUHQFH SRLQW :H
FORVH E\ VXJJHVWLQJ OHJDO DQG JRYHUQDQFH DVSHFWV RI LPSOHPHQWLQJ GDWD VRYHUHLJQW\ H[SORUDWLRQV RI GDWD
RZQHUVKLS QRWLRQV DLPLQJ DW GDWD OLWHUDF\ LQ HGXFDWLRQ HQFRXUDJLQJ WUDQVSDUHQF\ DERXW GDWD SURFHVVLQJ
DFWLYLWLHV DQG LQWURGXFLQJ UHSUHVHQWDWLYH GDWD DJHQWV WKDW FKDQQHO GDWD IORZV LQ DFFRUGDQFH ZLWK LQGLYLGXDO
SUHIHUHQFHV
9LHZ $UWLFOH
'DWD DV (FRQRPLF *RRGV 'HILQLWLRQV 3URSHUWLHV &KDOOHQJHV (QDEOLQJ 7HFKQRORJLHV
IRU 'DWD )XWXUH 0DUNHWV
3DJHV
Yuri Demchenko, Wouter Los, Cees de Laat
7KH QRWLRQ WKDW GDWD KDV YDOXH LV FRPPRQO\ UHFRJQL]HG +RZHYHU GDWD YDOXH LV GLIIHUHQW IURP WKDW DVVRFLDWHG
ZLWK FRQVXPDEOH JRRGV 7KHUH LV D QXPEHU RI LQLWLDWLYHV WR FUHDWH GDWD PDUNHWV DQG GDWD H[FKDQJH VHUYLFHV
([LVWLQJ EXVLQHVV PRGHOV RI SDLG RU FRPPHUFLDO GDWD VHWV VHUYLFHV VXFK DV GDWD DUFKLYHV DUH EDVHG RQ VHUYLFH
VXEVFULSWLRQ IHHV +RZHYHU HPHUJLQJ GDWD GULYHQ WHFKQRORJLHV DQG HFRQRPLHV IDFLOLWDWH LQWHUHVW LQ PDNLQJ
GDWD D QHZ HFRQRPLF YDOXH GDWD FRPPRGLWL]DWLRQ DQG FRQVHTXHQWO\ LGHQWLILFDWLRQ RI WKH QHZ SURSHUWLHV RI
GDWD DV HFRQRPLF JRRGV 7KH IROORZLQJ SURSHUWLHV DUH OHYHUDJLQJ )$,5 GDWD SURSHUWLHV DQG GHILQHG DV
675($0 SURSHUWLHV IRU LQGXVWULDO DQG FRPPRGLWL]HG GDWD VRYHUHLJQ WUXVWHG UHXVDEOH H[FKDQJHDEOH
DFWLRQDEOH DQG PHDVXUDEOH 2WKHU SURSHUWLHV WR EH FRQVLGHUHG DQG QHFHVVDU\ IRU GHILQLQJ ZRUNDEOH EXVLQHVV
DQG RSHUDWLRQDO PRGHOV DUH QRQ ULYDO QDWXUH RI GDWD GDWD RZQHUVKLS GDWD TXDOLW\ YDOXH SULYDF\ LQWHJULW\ DQG
SURYHQDQFH 7KH SDSHU UHIHUV WR RWKHU GLVFXVVLRQV DQG SURMHFWV RQ GHILQLQJ GDWD DV FRQVXPDEOH JRRGV DQG
PDUNHW PHFKDQLVPV WKDW FDQ EH DSSOLHG WR GDWD H[FKDQJH VXFK DV GDWD PDUNHWV GDWD H[FKDQJH DQG LQGXVWULDO
GDWD VSDFH
9LHZ $UWLFOH
2SSRUWXQLWLHV DQG &KDOOHQJHV RI *OREDO )OLJKW 'DWD $FTXLVLWLRQ
3DJHV
Juan P. Martín, Martín G. Riolfo
5HFHSWRUV RQ ERDUG VDWHOOLWHV DUH EHLQJ LPSOHPHQWHG WR WUDFN FLYLO DLUFUDIWV DOO DURXQG WKH ZRUOG 7KLV QHZ
VFHQDULR UHTXLUHV QRYHO PHWKRGV WR SURFHVV WKH VLJQDOV LQ RUGHU WR HIILFLHQWO\ UHWULHYH PRUH XSGDWHG DQG UHOLDEOH
SRVLWLRQ DQG VWDWXV GDWD RI HYHU\ DLUFUDIW 7R UHDFK WKH UHTXLUHG SHUIRUPDQFH LW LV LQGHHG QHHGHG WR HQJDJH
FDUHIXOO\ FKRVHQ DOJRULWKPV RI GDWD DQDO\VLV DQG SURFHVVLQJ 0DFKLQH OHDUQLQJ DOJRULWKPV LQ SDUWLFXODU N
QHDUHVW QHLJKERUV DQG VXSSRUW YHFWRU PDFKLQHV DUH HPSOR\HG WR HVWLPDWH WKH SRWHQWLDO VXFFHVV LQ GHFRGLI\LQJ
$'6 % PHVVDJHV LQ KLJKO\ FRQJHVWHG DUHDV DQG VLPXODWLRQV DUH SHUIRUPHG WR REWDLQ WKH WUDLQLQJ DQG WHVWLQJ
VLJQDOV )LUVW WKH $'6 % FRPPXQLFDWLRQ V\VWHP LV GHVFULEHG VHFRQG PXOWLYDULDWH DQDO\VLV DQG PDFKLQH
OHDUQLQJ DOJRULWKPV DUH VWXGLHG )LQDOO\ WKH UHVXOWV REWDLQHG IURP PDFKLQH OHDUQLQJ PHWKRGV DUH FRPSDUHG DQG
IXWXUH VWXGLHV DUH SURSRVHG
9LHZ $UWLFOH
– xix –