Data curation issues for repositories

Curation of Scientific Data: Challenges for Repositories Chris Rusbridge JISC Repositories Conference 5 June 2007, Manchester

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Audience ,[object Object],[object Object],[object Object],[object Object]

Digital Curation Centre Mission ,[object Object]

“ The Records of Science” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CHANG, G., ROTH, C. B., REYES, C. L., PORNILLOS, O., CHEN, Y.-J. & CHEN, A. P. (2006) Retraction of Pornillos et al., Science 310 (5756) 1950-1953. Retraction of Reyes and Chang, Science 308 (5724) 1028-1031. Retraction of Chang and Roth, Science 293 (5536) 1793-1800. Science Magazine, 314. http://www.sciencemag.org/cgi/content/full/314/5807/1875b

OECD declaration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Retaining research data means… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

… or the data trajectory is… ,[object Object],[object Object],[object Object],[object Object],[object Object]

Long term bit storage… ,[object Object],[object Object],BAKER, M., SHAH, M., ROSENTHAL, D. S. H., ROUSSOPOLOUS, M., MANIATIS, P., GIULI, T. J. & BUNGALE, P. (2006) A Fresh Look at the Reliability of Long-term Digital Storage. EuroSys '06. Leuven, Belgium, ACM.

How Well Must We Preserve? Keep a petabyte for a century – With 50% chance of remaining completely undamaged Consider each bit decaying independently – Analogy with radioactive decay That's a bit halflife of 10**18 years – One hundred million times the age of the universe That's a very demanding requirement – Hard to measure – Even very unlikely faults will matter a lot ,[object Object]

What to do about curation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What to do about curation - 2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Internet Archaeology: publication with data

Database as book… ,[object Object],[object Object],[object Object],[object Object]

The StORe vision ,[object Object],[object Object],[object Object],[object Object],Source Output Middle ware

StORe survey: linkage value? ,[object Object],[object Object],[object Object],392 44 7 19 86 32 204 Totals 3 1 0 0 0 1 1 Other 17 2 1 0 7 0 7 Not sure 10 1 0 0 0 0 9 Of no interest 41 5 0 3 5 4 24 Interesting 146 9 4 5 41 9 78 Useful 175 26 2 11 33 18 85 Significant advantage Totals Other Independent researcher Contract researcher PG student University research assistant University academic staff The value of direct links from source to output data

What to do about data (3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What kinds of data? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

StORe: Source data formats ,[object Object]

StORe: the other data formats? ,[object Object],[object Object],[object Object]

StORe: the other data formats - more ,[object Object],[object Object],[object Object],[object Object],[object Object]

What are the reusability issues? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Context ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Access and re-use ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data citation issues… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Repository challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Repository challenges - 2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Repository challenges - 3 ,[object Object],[object Object],[object Object]

Who does data curation? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Disciplinary repositories… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Institutional Repositories ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Cultural change ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Need for advocacy? ,[object Object],13 45 20 129 No reply 1 13 3 5 Don’t know 2 4 3 Lack of knowledge 1 10 7 Don’t use 7 2 9 None Independent researchers Post-graduates Research assistants Academic staff What functionality is missing from source repositories?

Need for advocacy? ,[object Object],15 48 15 123 No reply 1 6 2 Don’t know 1 2 Lack of knowledge 1 1 Don’t use 1 5 2 3 None Independent researchers Post-graduates Research assistants Academic staff What functionality is missing from output repositories?

Need for advocacy? ,[object Object],[object Object],[object Object]

[object Object],[object Object]

Data curation issues for repositories

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Data curation issues for repositories