Automatic Preservation Watch
•
0 likes•1,566 views
At the iPres2013 conference in Lisbon, Portugal, in September 2013 Luís Faria, KEEP SOLUTIONS LDA, presented SCAPE work on monitoring of digital repositories and the tool, Scout, which has been developed in this connection. Scout is a web-based service that assists content holders in monitoring their digital repository and provides an ontological knowledge base for compiling the information needed to detect preservation risks and opportunities.
Recommended
Recommended
More Related Content
What's hot
What's hot (20)
Viewers also liked
Viewers also liked (11)
Similar to Automatic Preservation Watch
Similar to Automatic Preservation Watch (20)
More from SCAPE Project
More from SCAPE Project (13)
Recently uploaded
Recently uploaded (20)
Automatic Preservation Watch
- 1. Luis Faria lfaria@keep.pt KEEP SOLUTIONS www.keep-‐solu:ons.com Alan Akbik, Barbara Sierman, Marcel Ras, Miguel Ferreira, José Carlos Ramalho iPRES 2013 Lisbon, September 2, 2013 Automa0c Preserva0on Watch Using Informa-on Extrac-on on the Web
- 2. Repository Format obsolescence Emerging technology Consumer trends New standards Organisation mission Bit rot Resource capability System availability Security breach Economical limitations Social and political factors Producer trends Organisation policies 2 Why do we need monitoring?
- 3. Repository Format obsolescence Emerging technology Consumer trends New standards Organisation mission Bit rot Resource capability System availability Security breach Economical limitations Social and political factors Producer trends Organisation policies 3 Why do we need monitoring? Risks Opportunities
- 4. 60% 40% Yes but manual and adhoc None Risk Assessment Survey on: 4
- 5. Scout: a preserva-on watch system This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Monitors aspects of the world to detect preserva:on risks and opportuni:es 5
- 6. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). 6 Information Sources • Format registries & software catalogues • Digital repositories & web archives • Organizational objectives • Experiments • Simulation • Human knowledge
- 7. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). 7 Currently supported information sources • PRONOM • Repository content and events • Web archive content • Web archive renderability experiments • SCAPE Policy model
- 8. 8 Define triggers • Notify me when there are tools that can render the format X.
- 9. 9 Define triggers Simple query with templates
- 10. 10 Receive notifications Email HTTP Push API There are tools that can render format X.
- 11. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Automa-c Watch Limita-ons 11 Machine readable data • Explicit and formal specified information • Controlled vocabulary • Ontology • All instances use same structure and set of values
- 12. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Case study: e-‐Depot coverage 12 0 100 200 300 400 500 600 40% 50% 60% 70% 80% 90% 100% % of journal titles Publishers Titles per publisher 97% publishers 1-10 titles
- 13. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). e-‐journal coverage ques-ons 13 • Which publisher provides which journal -tles • Publisher changes: • Ceases to provide journal • Transfers journal to other publisher(s) • Publishers merge • Journal changes: • Name changes • ISSN changes • Ceased to exist
- 14. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Where is this informa-on? 14 “In 1991, two years before the merger with Reed, Elsevier acquired Pergamon Press in the UK.” “The Asia-Europe Foundation (ASEF) sold the Asia Europe Journal and transferred the copyright to its long-time partner Springer.” “Acta Chirurgica Iugoslavica is available free of charge as an Open Access journal on the Internet.” In the publisher website!
- 15. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Where is this informa-on? 14 “In 1991, two years before the merger with Reed, Elsevier acquired Pergamon Press in the UK.” “The Asia-Europe Foundation (ASEF) sold the Asia Europe Journal and transferred the copyright to its long-time partner Springer.” “Acta Chirurgica Iugoslavica is available free of charge as an Open Access journal on the Internet.” In the publisher website! Not machine readable!
- 16. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Informa-on Extrac-on • Extract structural information from unstructured data • Pattern-based information extraction • Some training and supervision may be needed 15 “[X] acquired [Y]”
- 17. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Experiment 1. Data acquisition and pre-processing 2. Relation discovery 3. Information extraction 4. Validation of results 16
- 18. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). 1. Data acquisi-on and pre-‐processing • Focused crawler with seed words (12.000 entries) • Publisher names • Journal titles ➡500.000 Web pages • Pre-process with NLP tools ➡18 million sentences ➡8 GB 17
- 19. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). 2. Rela-on discovery 18 Prominent pattern Rank [X] journal of [Y] 1 [X] published by [Y] 2 [X] journal on [Y] 3 [X] journal published by [Y] 4 [X] available as [Y] journal 5 PubMed [X] [Y] 9 [X] science proceedings of [Y] 25 [X] subscription available to [Y] 30
- 20. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). 2. Rela-on discovery 19 Prominent pattern Rank [X] journal of [Y] 1 [X] published by [Y] 2 [X] journal on [Y] 3 [X] journal published by [Y] 4 [X] available as [Y] journal 5 PubMed [X] [Y] 9 [X] science proceedings of [Y] 25 [X] subscription available to [Y] 30
- 21. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). 3. Informa-on extrac-on 20 2.000 journal titles 500 journal-publisher attributions
- 22. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). 4. Valida-on of results 21 4% 10% 86% Journal titles in eDepot 15% 50% 35% Title-publisher in the Keepers registry Should add Existing False-positives
- 23. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). False-‐posi-ves • Detecting boundaries of titles and publisher names • Using abbreviations on titles and publisher names • Technical problems like encoding 22 “European Journal of Nuclear Medicine and Molecular Imaging” IAAE - “International Association of Agricultural Economists” “├ó╦å┼buda University”
- 24. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Conclusions • We need data to support digital preservation • Explicit and formal specified for automation • Registries tend to be incomplete and outdated • Information Extraction Technologies can help • Still, some supervision may be needed 23
- 25. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Send us your use cases! 24 Alan Akbik alan.akbik@tu-berlin.de Luis Faria lfaria@keep.pt Preservation Watch What risks to monitor? Information Extraction What to extract from the web?
- 26. This work was par,ally supported by the SCAPE Project. The SCAPE project is co-‐funded by the European Union under FP7 ICT-‐2009.4.1 (Grant Agreement number 270137). Thank you, ques-ons? • Scout - a preservation watch system • Site: http://openplanets.github.io/scout/ • Demo: http://scout.scape.keep.pt • SCAPE Planning and Watch suite iPRES poster • http://bit.ly/scape-pw • SCAPE • http://www.scape-project.eu 25