1. Enhancing OJS journals with advanced online reading and viewing capabilities PKP Conference 2011, FU Berlin 26/09/2011 Dr. Panagiotis Stathopoulos , Dr. Ni kos Houssos, Dr. Ourania Stathopoulou,George Stavrou,Alexandros Soumplis email: pstath;nhoussos@ekt.gr Hellenic National Documentation Center /N.H.R.F.

3. - Motivation

5. - Other extensions, conclusions and future work

11. 5 electronic journals, peer reviewed and newsletter, mainly in humanities

12. Current issues: full electronic process

15. Tablets

16. Netbooks

17. .. new innovative applications and user experiences

18. And new applications: Google books,

19. Slideshare, etc.

21. Repositories etc.

23. Large images and datasets visualisation

24. Enhanced publications capabilities

25. Approach Interworking best of breed open source systems Djatoka kakadu JP2K library only for non commercial use , JASPER JP2K library is open source needs decoding performance improvements

29. The reader – thumbnail browsing

30. Scalable zoom

31. Block diagram and interactions jp2kdistiller 1. POST: galley_id, article_id, journal,url to pdf galley file,article metadata 3. Parallel thread groups 6. IA viewer instance 5. OJS callback: galley_id, article_id, journal 4. Image server Update database/fs updates

36. Callback function to OJS in order to activate reader

37. Transparent for editor

38. Systems perspective Web load Balancer Application Servers Data Backend processing image server pool RW Access Per Group: 1 Node RO Access Per Group: All other nodes OJS IA Book Reader Scalable multiered architecture

41. Developed using a separate FOSS library created by EKT

43. Transparent to editors - highly scalable – automated conversion infrastructure

45. Linking with an enhanced repository based backed

46. Interfacing to other format conversion apps,e.g. Doc to pdf, odt to pdf, etc

47. API specifications

48. Jasper enhancements