? ??a?e?t???????t?ta

1
? ??a?e?t???????t?ta
????? ?a?ep?st?µ?? ?µ?µa ???e????µ?a?
??ß?????????µ?a?
st? ??µ?s?? ??µ?a
Ge????a ?????p??d?? E-mail gproko_at_ionio.gr
2
?????? ???? ??????t???? ?????f??
3
? ????? t?? ??a?e?t???????t?ta?

• St?? ????? ???? e??? d?????t???? e????f??
  ?a????st??? ???? ?at??e? ? d??at?t?ta
  ep????????a? t?? ?p??es??? p?? eµp?????ta? st?
  ??? a?t?? t?? e????f?? ?a? ? a?ta??a?? ded?µ????

?? S??????? ????????S???????S?
??? e???????µ?s? a????p???? ???? e??as?a? ?a?
??st??? epe?e??as?a? t?? ?d?a? p????f???a?
4
??a?e?t???????t?ta ???sµ??

• ??a?e?t???????t?ta e??a? ? d??at?t?ta µetaf????
  ?a? ???s?? t?? p????f???a? µe e??a?? ?a?
  ap?te?esµat??? t??p? ap? d?af??et?????
  ???a??sµ??? ?a? p????f???a?? s?st?µata.
• ??a?e?t???????t?ta e??a? ? d??at?t?ta a?ta??a???
  ?a? e??p???s?? (integration) µ??a?a???s?µ??
  ded?µ???? p?? p???????ta? ap? d?af??et???
  p????f???a?? pe??ß?????ta µ?s? t?? ?????t?s??
  ?????? p??t?p??

5
?st????? ??a?s?? ??a?e?t???????t?ta?

• ?e????se sta t??? t?? 1990 st? p?a?s?? t??
  ??e?t??????? d?a??ß????s??, p???e?µ???? ?a
  e?asfa??st??? ?a??te?e? ?p??es?e? d?a????s?? t??
  p????f?????
• ?a?a?t????eta? ?? ? a???????a??? ????? t??
  ?e????? st?at?????? t?? ???????a? t?? ?????f???a?

6
??a?e?t???????t?ta st? ??µ?s?a ??????s?

• St?? ??e?t?????? d?a??ß????s?, ?
  d?a?e?t???????t?ta s??d?eta? ?????? µe ta
  p????f???a?? s?st?µata p?? ???s?µ?p?????ta? ??a
  t?? d?e?a???? d?????t???? d?ad??as??? µeta??
• ?p??es???
• ??ß????s?? ?a? p???t?? ep??e???µat???
  (?d??t???? t?µ?a?)

7
?e??pt?se?? ??a?e?t???????t?ta?
8
?f??? ??a?e?t???????t?ta? (1)

• ???p???t?s? ?a? ??a??p???s? ??????t????
  ?????f???a??? ??a????
• ? p????f???s? pa???eta? a?e?a?t?t?? ?????? ?a?
  f?s???? ?????. ?? p???te? µp????? ?a ep??????? t?
  d?a??? ep????????a? µe t?? ?p??es?e? t?? ??µ?s?a?
  ??????s??, ?a??? pa???eta? ? d??at?t?ta p??sßas??
  se ??e?t?????? p????f???a µ?s? t?? ??ad??t???
  (customer centric).
• ? ße?t??s? t?? d?ad??as?a? d?a????s?? t??
  d?????t???? e????f?? µ?s? p????f???a???
  s?st?µ?t?? d?aµ??f??e? ?a??te?e? ?p??es?e?
  pa????? ??ße???t???? p????f????? ?a? e?asfa???e?
  one-stop services.

9
?f??? ??a?e?t???????t?ta? (2)

• ??ta??a?? ?ed?µ????
• ?p?te?esµat???? ?p??es?e? p?????
  a?t?µat?p???µ??e? ?a? d?as??dedeµ??e? µe ap?te??
  st??? t?? e???????µ?s? ???µ?t?? ap? t??
  d?a?e???s? ?a? epe?e??as?a t?? ?d?a? p????f???a?.

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?f??? ??a?e?t???????t?ta? (3)

• S?µµet??? st? ??????s?
• ? ap?te?esµat??? pa???? d?????t???? p????f?????,
  ?a??? ?a? ? e?asf???s? p???t???? d?a????s?? ?a?
  d?a?e???s?? t?? d?µ?s?a? p????f???a? ?d??e? st??
  ep?te??? t?? d?af??e?a? st? ??µ?s?? ??µ?a.

11
IDA µ?a e???pa??? p??t?ß????a d?a?e?t???????t?ta?

• IDA Interchange of Data between Administrations
• ?e????se t? 1999 µe s??p? t?? e?asf???s?
  d?a?e?t???????t?ta? ?a? p??sßas?? sta d?e???pa???
  d??t?a
• ?p?st????e? t?? a?ta??a?? ??e?t???????
  p????f????? µeta?? t?? ??ße???se?? t?? ?????
  ?e???
• ?p?te??? st???? t?? IDA e??a?
• ? ße?t??s? st?? d?ad??as?a ????? ap?f?se??
• ? ?a??te?? ?e?t?????a t?? es?te????? a?????
• ? ep?t????s? ???p???s?? t?? p???t???? p?? ????e?
  ? ??

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?p?st??? IDA

• ? S??t???sµ?? ?a? ? ???p???s? d?e???pa????
  d??t??? t??eµat???? µ?s? t?? e??? e?e??e???
• ??????s? t?? d?µ??????a? ?????? ?p?d?µ?? ?a?
  µ??f??
• ?e?t??s? d??t?a??? ?p??es???
• ???pt??? ?a? ap?d??? ?????? e??a?e???
• S?????s? p??? ????? interface t??eµat????

13
??????? ???t?ß????e? ??a?e?t???????t?ta?

• S?ed?asµ?? ?a? efa?µ??? p?a?s??? p??d?a??af??,
  µe??d??????? ?a? a???? ??a t?? d?a?e???s? ?a?
  d?a????s? t?? p????f???a?

e-GIF (Electronic Government Information
Frameworks)
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e-GIF

• ?a?????e? t?? e????ste? d??at?? te??????
  p??d?a??af?? a?af????? µe t?? d?a?e???s?,
  epe?e??as?a ?a? d?a????s? t?? d?µ?s?a?
  p????f???a?
• ?e???aµß??e? ?a? ?a??pte? ??µata ?p?? e??a? ?
  d?as??des? ?a? ? a??pt??? d??t???, ? ??d???p???s?
  ?a? ? pa?a???? µetaded?µ????, ta d??a??µata
  p??sßas?? ?a? a???t?s?? d?????t???? p????f???a?

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UK e-GIF

• ??µ?s?e????e t? 2000 ?a? ?p???e p??t?p???? st??
  t?µ?a t?? d?a?e?t???????t?ta?
• ?p?t??ese p??t?p? a??pt???? ?a? ????? p?a?s???
  d?a?e?t???????t?ta?, ?p?? t?? ??a? ???a?d?a?, t??
  ??st?a??a? ?a? t?? ????da?

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????? ????t???? UK e-GIF

• ?????t?s? ?????? p??t?p?? a?af????? µe t?
  ??ad??t?? ?a? t?? ?a???sµ?? ?st? ??a ??a ta
  p????f???a?? s?st?µata t?? ??µ?s??? ??µ?a
• ?????t?s? t?? XML ?? ßas??? p??t?p? t?? data
  management and integration
• ?????t?s? ?????? browser ??a s?µe?? d?epaf?? ?a?
  e?asf???s? p??sßas?? sta ded?µ??a
• ?a?a???? ?a? a??pt??? µetaded?µ???? ??a ??? t?
  d?????t??? p????f???a
• ?????t?s? t?? e-GMS

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UK e-GIF

• ? a???te?t????? t?? µ??t???? ap?te?e?ta? ap?
• framework ? ?a??pte? ?e????? a???? ?a?
  µe??d?????a d?a?e???s??, ?a??? ?a? te??????
  p??d?a??af??
• registry ? pe???aµß??e? ?a? ?a??pte? ta e???
  ?ef??a?a
• Interconnection
• Data Integration
• Content management metadata
• e-Services access and channels
• Standards for business areas (e-commerce,
  e-learning, e-voting)

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????te?t????? UK e-GIF
Standards for business areas
Data Integration
e-Services access and channels
Content Management Metadata
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e-GMS ?a? GCL

• e-GMS (Electronic Government Metadata Standard) ?
  p??t?p? ??d???p???s?? ?a? epe?e??as?a? t??
  µetaded?µ???? t?? d?????t???? e????f??
• GCL (Government Category List) ? e?e???µe??
  ?e??????? µe t? µ??f? ??sa???? ??a t? µeta-ped??
  t?? Subject st? e-GMS. ???s?eta? st? 2? ??d?s?
  t??, ? ?p??a d?µ?s?e?t??e t?? ?a??????? t?? 2004

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DGSC

• DGSC (Government Data Standards Catalogue) ?
  pa???e? ?at????? ?a? epe????se?? t?? p??t?p?? p??
  ???s?µ?p?????ta? ??a t?? d?a?e???s? t??
  ??d???p???µ???? ded?µ???? t?? ??ße???t????
  p????f???a? (p.?. p??t?p? ap?d?s?? ?e???af????
  ????? / t?????µµat?? ??d????)
• ?a??pte? t??? e??? t?µe?? ??d???p???µ????
  p????f?????
• Address
• Contact Information
• Financial
• Organization Information
• Person Information
• Temporal

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?a??de??µa ???t?p?? BSEN 3166 ??a t??
??d???p???µ??? ap?d?s? ???µ?t?? ?????
22
TSC

• TSC (Technical Standards Catalogue) ? ?a?????e?
  t? e????st? p???µa p??d?a??af?? ap? t? s????? t??
  e-GIF p?? ?a p??pe? ?a ???p????e? ??a t??
  e?asf???s? t?? d?a?e?t???????t?ta?
• ???s?µ?p??e?ta? ?????? ??a ep??e???µat????
  d??se?? t?? d?µ?s??? ? ?d??t???? t?µ?a ?a?
  s?et????ta? µe e????e?e? ?p?? e??a? t?
  e-commerce, e-learning, e-voting.

23
e-SDF (1)

• e-SDF (e-Services Development Framework) ?
  pa???e? µe??d?????a ?a? te?????? p??d?a??af??
  a??pt???? ?a? d?aµ??f?s?? ??e?t??????? ?p??es???
  (e-services)
• ??af??eta? st?? ?????a t?? ??e?t???????
  a?ta??a??? ded?µ???? (electronic data
  interchange) ?a? ?p??es??? ep????????a?
  (messaging services)

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e-SDF (2)

• ?p?te?e?ta? ap?
• e-Service Development Process Guidelines
• ????e? t? d?ad??as?a ??a t?? d?µ??????a
  ??e?t??????? ?p??es?a? pa?????ta? µ?a bottom-up
  ?e???s?
• XML Schema Development Guidelines
• ?a???e? t? µe??d?????a ?a? ?d???e? ??a t??
  ?a??te?? ?a? ap?d?t???te?? a??pt??? t?? XML
  schema, ?ste ? ?p??es?a ?a ?a?a?t????eta?
  d?a?e?t??????? ?a? ?a e??a? s?µf??? µe t?? a????
  t?? e-GIF

25
New Zealand e-GIF

• ?as?s???e st? a?????? e-GIF
• ? p??t? t?? ??d?s? p?a?µat?p??????e t?? ???? t??
  2002
• 25 ?p??es?e? ?d?sa? ta p??ta de??µata a???????s??
  t??
• ??? ?????? t?? 2002 ap?fas?st??e ? ?????t?s? t??
  e-GIF ?? p??t?p?? d?a?e?t???????t?ta? t??
  ??ße???t???? p????f???a? ?a? t?? ep??e???µat????
  d?ast????t?t?? t?? ??µ?s??? ??µ?a.
• S?µe?a t? p??t?p? t?? ??a? ???a?d?a? ß??s?eta?
  st? 2? ??d?s? t??

26
????te?t????? NZ e-GIF
27
?????s? ????te?t??????

• ?? µ??t??? d?a?e?t???????t?ta? t?? ??a? ???a?d?a?
  ???p??e? t?? a??? t?? Layer Model, t? ?p???
  epe???e? ?a? s??????e? ta p??t?pa ???p???s??
• ?? µ??t??? a?t? ???s?µ?p??e?ta? ??a ?a
  pa???s?ast??? ?? ?e?t?????e? p?? p??pe? ?a
  ep?te???? ta p????f???a?? s?st?µata

28
Layer Model

• ???e ?e?t?????a t?? p????f???a??? s?st?µat??
  ????eta? ?? ep?ped? (layer)
• G?a ???e ep?ped? pa?????ta? ?d???e?, µe??d?????a
  ?a? p??t?pa ???p???s??
• ? ?e?a???a t?? µ??t???? ?p?de????e? ?a? t?? t??p?
  ?e?t?????a? t?? s?st?µat??, d??ad?, ta s?stat???
  st???e?a (components) e??? ep?p?d?? s??e??????ta?
  µ??? µe ta ?e?t????? layers ?a? f?s??? µe
  p???a????sµ??? t??p?

29
1? ?p?ped? Network

• ?? ep?ped? a?t? ?a??pte? d?ad??as?e? µetaf????
  ded?µ????, ?p?? e??a? ta p??t?????a ep????????a?
  ?a? d??t???
• ?a??de??µa ? d?a????s? a??e??? µ?s? FTP (File
  Transfer Protocol) ?a? e-mail ß?se? t??
  d?a??µ?st? SMTP

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2? ?p?ped? Architecture

• ?a?????e? t? s??ta?t??? t?? ded?µ????
• ?a??de??µa ? XML ???s?µ?p??e?ta? ??a data
  marking ?a? t? p??t?p? UNICODE ??a t??
  a?apa??stas? t?? ?a?a?t???? (?at????? ?a? µ?
  a?f?ß?ta)

31
3? ?p?ped? Business Services

• ??af??eta? st? pe??e??µe?? t?? µetaded?µ???? ?a?
  ????e? t?? t??p? ??d???p???s?? t?? ded?µ???? se
  µeta-ped?a p???e?µ???? ?a ape?????st???
  d?????t???? ?????e? ?a? d?ad??as?e?
• ?a??de??µa t? NZGLS ?a? ?? NZ ??sa???? (SONZ ?a?
  F???) ???s?µ?p?????ta? ?? p??t?pa ??d???p???s??
  s??ta?t???? ?a? e???????????? µetaded?µ????

32
4? ?p?ped? Access and Presentation

• ????e? ta p??t?pa ?a? t? µe??d?????a p??sßas??
  sta p????f???a?? s?st?µata, ?a??? ?a? t?? t??p?
  ape?????s?? t?? ded?µ???? st??? te?????? ???ste?
• ?a??de??µa ?a ?e?µe?a pa???s?????ta? ?? html
  a??e?a (a????t?) ?a? pdf (??e?st?)

33
Security

• ??ape??? ??a ta ep?peda p???e?µ???? ?a d???se?
  t?? a????? ?pa???? asf??e?a? s ??? t?
  p????f???a?? µ??t???
• ?e???aµß??e? p??t?pa asf??e?a? a?????a µe t?
  p????f???a?? ep?ped?

34
E-Government Components

• ?p?te?e?ta? ap? µ?a se??? efa?µ?sµ????
  ?e?t??????? p?? d??a?ta? ?a epa?a???s?µ?p???????
  ?a? se µe????t???? efa?µ???? d?af??et????
  ?p??es???
• ?a??de??µa µ?a efa?µ??? ?e?t?????a? ??e?t???????
  ta??d??µe???

35
? ??a?e?t???????t?ta st?? ???????? ??µ?s?a
??????s?

• S??p?? ? ? d?e??????s? t?? p????f???a???
  s?st?µ?t?? t?? ??µ?s???
• ?eta?? t???
• ?e t?? p???t?
• ?e t?? ep??e???se??
• ?e ???e? ??ße???se?? ?a? ???a??sµ???
• ?p?te??? St???? ? ? e?asf???s? ap?te?esµat???te???
  ?a? µe ?aµ???te?? ??st?? d?µ?s??? ?p??es???

36
??a?e?t???????t?ta ?a? ??????µ?a
37
?? ???????? e-GIF ? ????

• ???? ??a?s?? ??a?e?t???????t?ta?
  ??e?t??????? ??a??ß????s??
• ?as??eta? st? a?????? e-GIF, ??at?
• ?a???e? te?????? p??d?a??af?? p?? µp????? ?a
  ????et????? st?? ???????? ??µ?s?? ??µ?a ?a? ?a
  ?a?????? t?? e???????? a????e? d?a?e?t???????t?ta?
  
• ?a?a?t????eta? ap? ?µ??????e?a, ap??t?ta ?a?
  a??????e? d?e??? p??t?pa
• ? ?? e?et??e? t?? pe??pt?s? ?????t?s?? t?? pa??t?
  ??e? ?e????se? t?? p??sp??e?a t?? IDA!!!

38
????te?t????? ????

• ?? e??????? p?a?s?? d?a?e?t???????t?ta? ????e?
  t??
• te?????? p??d?a??af?? ?a? p???t???? ??a t???
  a????????? t?µe??
• ??as??des?µ?t?ta (Interconnection)
• ????????s? ?a? ??aµ??f?s? ?ed?µ???? (Data
  Integration)
• ??a?e???s? ?e??e??µ???? ?a? Metadata (Content
  management metadata)
• ???sßas? ?????f????? (e-Services access and
  channels)
• XML ??a ?p??e???µat????? ??µe?? (Standards for
  business areas, p.?. e-commerce, e-learning,
  e-voting)

39
?fa?µ??? t?? ???te???µe??? ????te?t??????
40
?fa?µ??? t?? ???te???µe??? ????te?t??????
41
Tesµ???? ?pa?t?se?? ????

• ?????t?s? d?e???? p??t?p??
• ??µ??????a e?????? p??t?p??
• ?p????????a e?d?afe??µ???? f?????
• ?p????e?s? ?a p??sßas? s?et???? p????f?????
  (p??d?a??af??, p??t?pa, XML Schemas, ??p.)
• ??µ??????a p??t?p?? t?µ??? d?ast????t?ta?
• ??e??? s?µßat?t?ta? p??d?a??af??
• ??µ??????a µ??a??sµ?? d?a?e?t???????t?ta?
  d?a??s?µ?? st? e??? ?????

42
St????

• ?etaf??? ?a? ???s?µ?p???s? t?? p????f???a? µe
  ?µ????e??? ?a? ap?te?esµat??? t??p? µeta??
  d?µ?s??? ?a? ?d??t???? ???a??sµ?? se ep?ped?
  s?st?µ?t?? p????f??????.
• ?p? a??pt???