Archiving the Web- What can Institutions learn from National .ppt

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1、Archiving the Web: What can Institutions learn from National and International Web Archiving Initiatives,IWMW 2006, University of Bath, 15 June 2006,Todays workshop,Records Management and the web: Key RM principles Justification for archiving web-based records Breakout 1 - to discuss the types of re

2、cord found on the web An archivists perspective: Authenticity, accessibility, security, legal compliance Breakout 2 - to discuss drivers and barriers An overview of selected national and international web archiving initiatives: Breakout 3 - to develop approaches to preserving web sites Feedback,Web-

3、Based Records,Philosophy,Archiving web sites & web-based records requires collaboration from all stakeholders, including records managers, but also IT managers, web-project managers, webmasters, content editors, content providers, and even senior management, across the entire life-cycle of the recor

4、dsBUT there is a difference in approaches between archiving websites and archiving web-based records,What is a record?,BS ISO 15489 definition: “any information that is created, received and maintained as evidence and information by an organisation or person in pursuance of legal obligations or in t

5、he transaction of business” Evidence of a transaction Anything that: documents a working transaction between two or more parties documents the mission and goals of an organisation was created or received in the course of carrying out the mission and goals of an organisation,Key Records Management is

6、sues,Proper care and management of records throughout their entire life-cycle Not all data has to be retained Legal information obligations must be met Organisational retention schedules - identifies record classes of concern Different records and record classes have different retention periods Meta

7、data must be stored with records Disposal and destruction processesLeads to archival and long-term storage for some records,Why archive website records,Records are increasingly posted on the web Uniquely available informative records Users may act or take decisions based on this information, with im

8、portant consequences Records of business transactions Accountability & transparency To funding bodies To stakeholders For legal reasons Historical and culturally valuable,Breakout 1,Discuss and identify the types of records that can appear on the Web e.g.: Reports, policy documents etc Information s

9、ubmission dates, pricing etcDiscuss and identify the forms can they take e.g.: Text-based files Web-forms,Feedback I,Archiving the Web,An (inexperienced) archivists perspective,More definitions,Records management: “the field of management responsible for the efficient and systematic control of the c

10、reation, receipt, maintenance, use and disposition of records, including processes for capturing and maintaining evidence of and information about business activities and transactions in the form of records.” (BS ISO 15489 - 2001) Archives: “documents, irrespective of form, medium or age, intended f

11、or long-term preservation because of their continuing value.” (BS 5454 - 2000),Authenticity: Must be demonstrably reliable as proof Creation and capture Metadata and context Ownership/responsibility Version control Cataloguing standards,What we want from our records and archives ,Accessibility: Must

12、 be capable of use over time Locate, retrieve and display File plans, naming conventions Obsolescence Migration strategy Reduced functionality?,What we want from our records and archives ,Security: Must be protected Physical damage and unauthorised access Robust destruction procedures Intellectual c

13、ontrol Storage environment Disaster plan,What we want from our records and archives ,Legal compliance: Must not break the law Freedom of Information Act 2000 Data Protection Act 1998 Copyright issues? Defence against litigation Legal admissibility,What we want from our records and archives ,Breakout

14、 2,What are the main drivers for archiving web-based records? Discuss and identify as many challenges or barriers to archiving web-based records as you can: Technical barriers Cultural barriers Socio-economic barriers Organisational barriers,Feedback II,Current Approaches to Archiving the Web,Nation

15、al and International Initiatives,Some basics,Not all web archives are organised on a records management basis Most web archiving initiatives: Emphasise the informational value of the web as a cultural phenomenon or communication medium Highlight the transience of content Focus largely on collecting

16、content, less on providing long-term access (or preservation) Have collection strategies that are based on what can be automatically captured from the client side Have problems with the deep (or hidden) web, i.e. those driven by databases or otherwise interactive so what about Web 2.0? Tend to ignor

17、e differences in type categories or formats Have significant legal problems with providing access,Approaches to collection,Broadly four main collecting approaches (not mutually exclusive): Domain capture (harvesting) Using specialised crawler programs to collect sites within national (or other) iden

18、tifiable domains Often based on the national web domain Can usually only deal with the surface web Selective capture (harvesting) Capturing selected web sites on a given frequency Can usually only deal with the surface web Selective capture (conversion or re-engineering) Typically requires access at

19、 the server-side Can deal with the deep web Deposit by website owner,Two main models,Harvesting model Used by national and research libraries, university special collections (e.g., DACHS) and the Internet Archive Records management model Addresses the issues raised earlier in this session May be mor

20、e appropriate for specific institutional records ,Some Examples ,Internet Archive,Non-profit organisation, based in US Wants to offer permanent access to digital online materials of all types Founded in 1996, has been collecting since then much content donated by Alexa Internet Collects sites by cra

21、wling and harvesting web sites Sites can opt out by way of robots.txt file on the web server Most content is freely available to the public, e.g. through the Wayback Machine Interface issues: only the URL indicates that the page is archived Website: http:/www.archive.org/,National Library of Austral

22、ia,The PANDORA Archive Builds on existing NLA collection policies Provides long-term access to selected online publications and websites Permission is sought from site owners in advance PANDAS (v3) PANDORA Digital Archiving System Open Source Software used for managing the process of gathering, arch

23、iving and publishing website resources Offers end-to-end archiving workflow Supports modularity: currently mostly used with HTTrack, but other harvester programs can be plugged-in Assigns persistent identifiers and metadata to each item when registered Website: http:/pandora.nla.gov.au/,UK WAC,UK We

24、b Archiving Consortium (6 members) British Library, National Library of Scotland, National Library of Wales, The National Archives, Wellcome Library, JISC Collects Web content selectively Uses modified PANDAS collection/harvesting software developed by the National Library of Australia Underlying ha

25、rvesting program is currently HTTrack Permission is sought from site owners in advance The collections are publicly accessible Persistent Identifier URLs Central repository of metadata Single partner assumes responsibility for each site Website: http:/www.webarchive.org.uk/,Nordic Web Archive,A coll

26、aboration between the Nordic national libraries (Denmark, Finland, Iceland, Norway, Sweden) Considerable expertise available: For example, the Swedish Royal Library pioneered the national domain capture approach Main focus on developing access tools NWA Toolset (open source) Work now taken forward a

27、s part of the WERA viewer application developed as part of the International Internet Preservation Consortium Website: http:/nwa.nb.no/,IIPC (1),International Internet Preservation Consortium Builds co-operation between the Internet Archive and national and research libraries Co-ordinated by the Bib

28、liothque nationale de France The British Library is the only current UK member, other national library partners include the Library of Congress, the Library and Archives Canada and the national libraries of Australia, Denmark, Finland, Iceland, Italy, Norway and Sweden Reflects those with current ex

29、perience of Web archiving Both working-groups and tool development Phase II will enable new partners to join the consortium Website: http:/netpreserve.org/,IIPC (2),Phase I - developing the IIPC toolkit Standards and tools for supporting: Acquisition - archival quality crawler (Heritrix); portable d

30、atabase extraction and migration tool for database-driven deep web sites (DeepARC) Managing collections - analytical and prioritization tools for automatically focusing harvesting; curation tools to provide a non-technical interface for selecting, monitoring and verifying archived web sites Collecti

31、on storage and maintenance - tools for manipulating formats; a standardised storage format (WARC), standards for metadata Access and finding aids - browse interfaces (WERA) and search facilities (NutchWAX),The National Archives (UK),Managing web resources (December 2001) ERM toolkit for government a

32、gencies Practical steps for active records management and sustainability Useful identification of web-based records Scenarios How websites differ from other records Management control mechanisms Model action plan Sustainability Website: http:/www.nationalarchives.gov.uk/,National Archives of Austral

33、ia,A Policy for keeping records of web-based activity (January 2001) Provides clear directions to Commonwealth agencies to implement mechanisms for creating, managing and retaining web-based records of value Guidelines (March 2001) Challenges and responsibilities Types of web-based resources Fundame

34、ntals of good record-keeping Assessing risk factors to consider Strategic & technical options Storage & preservation - issues & strategies Determining the best option,Managing web-based records,Fundamentals: Information Audit and Risk Assessment A systematic approach Develop policy Formulate plan fo

35、r capture, maintenance, and preservation Implement appropriate website maintenance procedures Assign and document responsibilities Identify records Determine retention requirements Capture records into recordkeeping system Add metadata Transfer content and metadata into archive as appropriate* Based

36、 on NAA Guidelines for Archiving Web Resources,Breakout 3,Scenarios for each group Read brief Identify main actions for each stage of life-cycle that play a role in archiving web-based resources Identify aspects of a successful long-term preservation strategy What aspects of a harvesting model could be of use? How? Why? What other technical development is needed?,Feedback III,Your approach?,Go forth and archive!,Maureen Pennock M.Pennockukoln.ac.ukMichael Day M.Dayukoln.ac.ukLizzie Richmond L.Richmondbath.ac.uk,