fa e

1
??f?a??? ??ß??????e?

• ??f?a??? ??ß??????e? µe ??da?t?????
• ?????s?? ????????
• dennis_at_central.ntua.gr

2
??? e?t?sseta? t? ??µa st?? e??t?ta

• ???t?ta ??f?a??? ß?ß??????e? µe d?da?t?????
• ?? NDLTD e??a? ? p??sp??e?a d?µ??????a? µ?a?
  e??p???µ???? ?µ?sp??d?? ??f?a??? ß?ß???????? µe
  d?da?t?????.

3
?? pe???aµß??e? t? ??µa

• ETDs
• NDLTD
• ???sµ??
• ?st?????
• ????
• ??ad??as?a
• ???t?pa
• S????????? ?at??????
• ? pe??pt?s? t?? ?.??eta??a?
• ???????? p?a?µat???t?ta
• ??se?? ?a? p???pt????

4
NDLTD - ???sµ??

• Networked Digital Library of Theses and
  Dissertations (NDLTD)
• http//www.ndltd.org
• http//www.theses.org
• ????e?ta? ??a µ?a ????? p??sp??e?a ?a?ep?st?µ???
  a?? t?? ??sµ? µe s??p? ?a p?????s??? t?
  d?µ??????a, t?? a??e????t?s?, t? d?a??µ? ?a? t??
  p??sßas? st?? ??f?a??? µetapt???a??? ?a?
  d?da?t?????? e??as?e? (ETDs).

5
G?at? e??a? s?µa?t??? sa? ??µa

• ?? NDLTD µe t?? d?µ??????a st?? ??s?a µ?a?
  ?µ?sp??d?? ??f?a??? ß?ß???????? ? e??? s?????????
  ?ata????? ??a ETDs s?µß???e? st??
• ????p???s? t?? ?????a? ß?ß?????af?a?
• S??t???sµ?? t?? µeµ???µ???? p??spa?e??? t??
  ?a?ep?st?µ??? ??a t?? ??f??p???s? t?? ??at??ß??
• ?????? a?a??t?s? a???t?s? t???
• ????????µ?s? ??st???
• ???t?p?p???s?
• S??e??as?a

6
?e ap?? ????a...

• ...G?a ?a se d?aß?s??? ?a p??pe? ?a se
  ß????...
• ?a µp????se ?a e??a? se e?e??e?? µet?f?as? ?
  f??s? t?? Ana Pavani In order to be read you
  have to be found
• ??t?? a???ß?? e??a? ?a? ? st???? t?? s?????????
  ?ata????? t?? ETDs. ?a µp??e? ?a?e?? d??ad? ?a
  ß??s?e? ta ETDS ap? ?p???d?p?te ?a?ep?st?µ??, se
  ?p??ad?p?te ???ssa ?a? ap? ?p??ad?p?te t?p??es?a.

7
G????a ß?ß?????af?a ???sµ??

• ????e?ta? ??a d?µ?s?e?µata p?? pa?????ta?,
  s??????, se µ???? a???µ? a?t?t?p?? ?a? µe s?et???
  p???e??? t??p? ?a? d?a??????ta? st? es?te???? t??
  ???a??sµ?? p?? ta pa???e? (?p????, 2001,
  s.114-115)
• ??t?st??f?? a?????? p??? t?? p???t?ta d?µ?s?e?s??
  ? t? e???? t?? ?????f???a? t??? e??a? s?????? ?
  a??a t??? ?? p????f???a??? p????
• G????a ß?ß?????af?a (Grey Literature) ?e?????ta?
  ?a? ta d?da?t????? ?a??? ?a? ?? µetapt???a???
  e??as?e?

8
ETDs ?? e??a?

• ???a? ?? µetapt???a??? e??as?e? ?a? ??
  d?da?t?????? d?at??ß?? p?? e?p?????ta? st?
  p?a?s?? t?? e?pa?de?t???? d?ad??as?a? ap? t???
  f??t?t?? / sp??dast?? se ??e?t?????? (??f?a??)
  µ??f?
• ETDS d?? t?p??
• ETDs µe ap???e?st??? e????? d?µ??????a? t??
  s????af?a (f??t?t?)
• ETDs p?? p????pt??? ap? t? ??f??p???s? t??
  e??as?a?, e?te ap? t? ?a?ep?st?µ??, e?te ap?
  ??p??a eta??e?a

9
NDLTD - Ge????

• ?st????? a?ad??µ?
• ??a??? t? 1996 st? Virginia Tech
• 200 ????
• 174 Universities (7 consortia)
• 26 Institutions
• ??????s? ?a? ?e?t?????a
• ?p?t??p?? (International Steering Committee)
• S??a?t?se??

10
?f??? ap? t? NDLTD ??a t??? f??t?t??

• ?a???eta? st??? f??t?t?? ? p?? t?????sa
  p????f???s? ??a ta ep?st?µ????? t??? ped?a
• ?????eta? t? pa???sµ?? e?d?af???? ??a t??
  e??as?e? t?? f??t?t??
• ????? t??? f??t?t?? ?a e????e?????? µe t??
  te???????e? t?? ??f?a??? ß?ß???????? ?a? t??
  ??e?t??????? d?µ?s?e?s??

11
?f??? ap? t? NDLTD ??a t?? ß?ß??????e?

• ?a???? ?p??es??? st??? ???ste? ????? ?e???af?????
  pe?????sµ???
• ?????t?s? t?? te???????a? ??f?a??? ß?ß????????
  ?a? ??e?t??????? d?µ?s?e?s??
• ??at???s? t?? ??????
• ????????µ?s? ?????
• ????????µ?s? ??st??? ap????e?s?? ? ?a?
  ß?ß???des?a?
• ????????µ?s? ??st??? da?e?sµ??

12
NDLTD ?????? se??da
13
S????????? ?at?????? d?da?t??????

• ??µ?????e?ta? ??a? pa???sµ??? s?????????
  ?at?????? ??a ??a ta ETDs t?? µe??? t?? d??t???
  NDLTD
• ?a???eta? ??a? µ??? t?p?? ??a t?? a?a??t?s? t??
  ETDs ap? µ?a ß?s? µetaded?µ????. ??a??t?se?? se
  ??e? t?? ???sse? µe ???s? t?? Unicode
• S??e???eta? ? f????e??a t?? ETDS p?? ??e? ???e
  ?a?ep?st?µ?? ap? t? ?d?? t? ?a?ep?st?µ??

14
Union Catalog http//www.theses.org
15
Experimental Union Catalog OAI Project
16
?etaded?µ??a

• USMARC Dublin Core
• XML DTD ETDMS
• OAI-MS (Open Archives Initiative Metadata
  Harvesting)
• ???t?se?? (Requests) HTTP GET or POST
• ?pa?t?se?? (Responses) XML Documents

17
???t?pa

• ETDMS Electronic Thesis and Dissertation
  Metadata Standard
• ?as??eta? se Dublin Core a??? pe???aµß??e? ??a
  ep?p???? p??a??et??? st???e?? e?d??? ??a
  µetaded?µ??a p?? af????? ETDs (thesis.degree µe
  pa?aµ?t???? name, level, discipline, grantor)
• http//www.ndltd.org/standards/metadata/etd-ms-v1.
  01.html

18
ETDMS ?? ep?p???? st???e??
19
OAI Open Archives Initiative
20
??a?e?t???????t?ta

• S??p?? ? s??des? t?? ??f?a??? ap??et????? ?a? ?
  a???p???s? ???? t?? s???????
• ??? e?e???t???? p??sp??e?e?
• Multilingual retrieval
• Cross-lingual retrieval

21
???p?? d???es?? ?a? p???t???? p??sßas??

• ?????? ? e?e??e?? p??sßas?
• ?e???? p??sßas?
• ???t? p??sßas? ? p??sßas? a?????a µe t??
  ?at?????a ??????

22
S?et??? ??µata ?a? p??sp??e?e?

• St?? Ge?µa??a
• Humboldt University
• St?? ?e???? ??eta??a
• ???? British Theses Services (BTS) Index to
  Theses
• ???a Thesis Alive

23
S?et??? ??µata ?a? p??sp??e?e?

• St?? ????da
• ??? (????? t?? NDLTD)
• ??????S
• ?a?ep?st?µ?? ???t??
• ??T (????? t?? NDLTD)

24
G?at? p??pe? ?a µ????µe p?? ???eta?

• ...f?s??? ??a ?a a???p???s??µe ?a? eµe?? t??
  d?da?t?????? d?at??ß?? ?a? t?? µetapt???a???
  e??as?e? t?? ?a?ep?st?µ??? t?? ???a? µa?
• ...?a? a? de? e?ta????µe st? NDLTD, µp????µe ?a
  p????µe ?d?e? ??a t? t? p??pe? ?a ?????µe

25
?? p??pe? ?a ?????µe

• ?f??? ETDs
• ?? NDLTD e??a? µ?a s???????? p??sp??e?a ?a? ??e?
  ??se?? se p???? ??µata p?? µa? e?d?af?????
• ??apt?sse? s???????? ?at????? ??a ta ETDS
• ?a???e? ?a? pa???e? p??t?pa
• ??p??e? ??e??e? ?a? µe??te? ??a t?? ?a??te??
  a???p???s? t?? ETDs pa???sµ???

26
?a? ??at? µa? ??e???eta?

• ???t? de? ??e? ???µa ?a ?e????s??µe p??sp??e?e?
  ??f??p???s?? t?? s??????? µa? a? de? e?et?s??µe
  p??ta t? d?e??? ?at?stas? ?a? t?? a?t?st???e?
  p??sp??e?e? ??a t?? ??f??p???s? t?? ETDS
• ??t? p?? ?????µe ?a ?????µe t? ????? ???e? ?????
  p??? ap? eµ??...
• ...?a? de? ??e???eta? ?a a?a?a?????µe ?a?? t??
  t????

27
?p?d????µe??? st???? t?? ?a?ep?st?µ???

• ??a ?a?ep?st?µ?? p??pe? ?a ??e? d?? st?????
  a?af????? µe ta ETDs
• ?a pa???e? p??sßas? st?? e??as?e? p?? ?????
  e?p????e? se a?t? ??a ?a ???st?p???se? ta
  p???sµata t?? e?e???? p?? ?aµß????? ???a se a?t?
• ?a ap??t?se? p??sßas? se ???? a?t?st???? ?????
  ????? ?a?ep?st?µ???
• ? p??t?? st???? ep?t?????eta? e? µ??e? µe t?
  d?µ??????a t?p???? s??????? ETDs a??? ? de?te???
  st???? µp??e? ?a ???p????e? µe t?? s?µß??? t??
  NDLTD

28
?µe?? p?? µp????µe ?a t? efa?µ?s??µe

• ?a e??????? ?a?ep?st?µ?a a? ?????? ?a d?s???
  p??sßas? sta d?da?t????? ?a? st?? d?p??µat????
  t???, µp????? ?a p??????s??? stad?a?? st?? ??ta??
  t??? st? NDLTD ? st?? a???p???s? t?? e??a?e???
  ?a? t?? ?d????? p?? pa?????ta?

29
???a? d?a??s?µ? ??a ???s? ?a? p??

• ? s?µµet??? st? NDLTD e??a? e?e??e??, ?????
  s??d??µ? ? ??st?? http//www.ndltd.org
• ?p?s??, ? ???s?µ?? ?d???? (etdguide) t?? Unesco
  e??a? ?a? a?t?? d?a??s?µ?? d??e??
  http//etdguide.org

30
?e????t???? t?se??

• ?????? e?e???t???? t?se??
• Name Authority Control
• S????asµ?? (Annotation system)
• ??d?p???se?? (SIFT - Dissemination system)
• ??a?e?t???????t?ta ?a? µe ???a ????sµ??? ??f?a???
  ß?ß???????? (Greenstone, Pronesis, Emerge)
• ???f?? ???st?? (user profiles)
• CAVE Automatic Virtual Environment

31
International Symposium on ETDs

• 7th International Symposium on ETDS, University
  of Kentucky, Lexington, USA, June 3-5, 2004
• http//www.uky.edu/ETD/ETD2004
• 8th International Symposium on ETDs, University
  of New South Wales, Sydney, Australia, 2005

32
???t??? ?a? s????a

• S?ef?e?te µ?a s?????? µe d?da?t????? ap? 200
  ?d??µata...
• ?e ????? d?epaf? ??a t?? ???st?, ??a ?a ????e?
  ?a?e?? µe t?? ?d?? t??p? se µ?a e??a?a ?µ?sp??d?
  ??f?a?? ß?ß???????

33
???t?se?? ??a s???t?s?

• ???a? ef??t? ? s?µµet??? t?? e????????
  ?a?ep?st?µ??? st? NDLTD
• ??s? de?t??? e??a? ta ?d??µata, ?? ß?ß??????e?
  ?a? ?? f??t?t?? ??a t?? ??f??p???s? t?? e??as???
  t???
• ?? ???e ?a?ep?st?µ?? ?a p??pe? ?a p??????se? µ???
  t?? ? ?a p??pe? ?a ep?d????e? s??e??as?a
• Ta ??e?aste? ?a? ??a? f???a? p?? ?a a?a??ße?
  s??t???st??? ???? ? ???
• ???? ??µ??ete ?a ?ta? t? µ????? st?? ????da

34
Links

• NDLTD
• http//www.ndltd.org
• Union Catalog
• http//www.theses.org
• Standards
• http//www.ndltd.org/standards

35
??de??t??? ß?ß?????af?a

• Suleman H., et al., Networked Digital Library of
  Theses and Dissertations Bridging the Gaps for
  Global Access, part 1 Mission and Progress,
  D-Lib Magazine, vol.7, no.9, 2001.
• Suleman H., et al., Networked Digital Library of
  Theses and Dissertations Bridging the Gaps for
  Global Access, part 2 Services and Research,
  D-Lib Magazine, vol.7, no.9, 2001.

36
?a? t????...

• Sa? e??a??st? p???.