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Data Citation - From Principles to Implementation

Martin Fenner
October 20, 2015

Data Citation - From Principles to Implementation

Presentation given together with Sarah Callaghan at the COPDESS workshop in Oxford October 20, 2015.

Martin Fenner

October 20, 2015

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  1. 1. Importance Data should be considered legitimate, citable products of

    research. Data citations should be accorded the same importance in the scholarly record as citations of other research objects, such as publication.
  2. 1. Importance - Issues! • Reference limits: ◦ From Nature’s

    Manuscript formatting guide (http://www.nature.com/nature/authors/gta/#a5.4) “The maximum number of references, strictly enforced, is 50 for Articles and 30 for Letters. Only one publication can be listed for each number.” • Information about data citation not getting into the generic author guidelines for important publishers • Still need the culture change that data is as important as articles
  3. 2. Credit and Attribution Data citations should facilitate giving scholarly

    credit and normative and legal attribution to all contributors to the data, recognizing that a single style or mechanism of attribution may not be applicable to all data.
  4. Does CC0 require others who use my work to give

    me attribution? No, and that's a big difference between CC0 and our licenses. Unlike our licenses, there are no conditions contained in CC0. Just like anything in the public domain, it will be possible for others to use or adapt it however they wish without attribution. However, this does not mean that you cannot request attribution in accordance with community or professional norms and standards. https://wiki.creativecommons.org/wiki/CC0_FAQ
  5. 3. Evidence In scholarly literature, whenever and wherever a claim

    relies upon data, the corresponding data should be cited. http://xkcd.com/882/
  6. 3. Evidence - Issues • Granularity ◦ Is it appropriate

    to assign a citation to just the subset of a larger dataset that underlies a particular graph? ▪ Results in lots of citations to lots of ever-so-slightly-different things ◦ “Cite the book, not the paragraph” == “Cite the dataset, not the cell number” ?? ◦ How do we generate citations automatically? • Common sense required here ◦ Communities need to develop their own guidance for what is “common sense”
  7. 4. Unique Identification A data citation should include a persistent

    method for identification that is machine actionable, globally unique, and widely used by a community.
  8. Figure 3. Multiple Alignment of Ten Conserved Motifs in the

    RAG1 Core Proteins and Transib TPases The motifs are underlined and numbered from 1 to 10. Starting positions of the motifs immediately follow the corresponding protein names. Distances between the motifs are indicated in numbers of aa residues. Black circles denote conserved residues that form the RAG1/Transib catalytic DDE triad. The RAG1 proteins are as follows: RAG1_XL (GenBank GI no. 2501723, Xenopus laevis, frog), RAG1_HS (4557841, Homo sapiens,human), RAG1_GG (131826, Gallus gallus, chicken), RAG1_CL (1470117,Carcharhinus leucas, bull shark), RAG1_FR (4426834, Fugu rubripes, fugu fish). http.//doi.org/10.1371/journal.pbio.0030181 not machine actionable, not globally unique
  9. Antibodies. The antibodies used in this study included the following:

    rabbit polyclonal antibodies to GABA A receptor α2 (catalog #600-401-D45 RRID:AB_11182018; Rockland Immunochemicals), α5 (catalog #AB9678 RRID:AB_570435; Millipore), β3 (catalog #ab4046 RRID:AB_2109564; Abcam), γ2 (extracellular epitope, catalog #224 003 RRID:AB_2263066; Synaptic Systems), and AMPA receptor GluA1 (catalog #AB1504 RRID:AB_2113602; Millipore; and extracellular epitope, catalog #PC246-100UG RRID:AB_564636; Millipore) … http.//doi.org/10.1523/JNEUROSCI.4415-13.2014 not machine actionable without context, not globally unique
  10. 17. Yim KM, Ng HW, Chan CK, Yip G, Lau

    FL. Sibutramine-induced acute myocardial infarction in a young lady. Clin Toxicol (Phila). 2008; 46(9):877-879. 18. Waszkiewicz N, Zalewska-Szajda B, Szajda SD, Simonienko K, Zalewska A, Szulc A et al.. Sibutramine-induced mania as the first manifestation of bipolar disorder. BMC Psychiatry. 2012; 12:43. 19. Yet Another DataTables Column Filter. https://github. com/vedmack/yadcf http.//doi.org/10.1186/s13321-015-0077-3 not persistent
  11. Recommendation Use persistent identifier expressed as URI, e.g. http.//doi.org/10.1186/s13321-015-0077-3. Always

    include basic metadata, e.g. authors, title, publication date and publication venue.
  12. 5. Access Data citations should facilitate access to the data

    themselves and to such associated metadata, documentation, code, and other materials, as are necessary for both humans and machines to make informed use of the referenced data.
  13. 5. Access - the citation string DataCite’s suggested formats for

    the citation string are: • Creator (PublicationYear): Title. Publisher. Identifier • Creator (PublicationYear): Title. Version. Publisher. ResourceType. Identifier Irino, T; Tada, R (2009): Chemical and mineral compositions of sediments from ODP Site 127‐797. Geological Institute, University of Tokyo. http://dx.doi.org/10. 1594/PANGAEA.726855 The clickable link that facilitates access to the data itself. Enough information so if the link doesn’t work, a web search might be able to find the resource.
  14. 6. Persistence Unique identifiers, and metadata describing the data, and

    its disposition, should persist -- even beyond the lifespan of the data they describe.
  15. Fun Fact The Joint Declaration of Data Citation Principles doesn’t

    use a persistent method for identification.
  16. Metadata for data that have been cited should persist. Not

    all research data and their metadata can or should persist. Metadata for most data that have been published should persist.
  17. 7. Specificity and Verifiability Data citations should facilitate identification of,

    access to, and verification of the specific data that support a claim. Citations or citation metadata should include information about provenance and fixity sufficient to facilitate verifying that the specific timeslice, version and/or granular portion of data retrieved subsequently is the same as was originally cited.
  18. 7. Specificity and Verifiability - “Frozen” Data We can meet

    the requirements of Principle 7 if the data (and corresponding metadata) is “frozen” - i.e.: complete and finalised, not going to be modified or updated - also known as “fixity” Data isn’t that simple! - e.g.: long running data collections Proper version control can help here
  19. 7. Specificity and Verifiability - Dynamic Data • Special cases:

    ◦ Timeslicing ◦ Append-only datasets • RDA Working Group on Data Citation (https://rd-alliance.org/groups/data- citation-wg.html ) ◦ Recommendations to enable data citation of evolving data (https://rd-alliance. org/system/files/documents/RDA-DC-Recommendations_150924.pdf ) ◦ Instead of static data exports or textual descriptions of data subsets, support a centric view of data sets. ◦ Proposed solution enables precise identification of the very subset and version of data used, supporting reproducibility of processes, sharing and reuse of data. ◦ The set of recommendations is undergoing evaluation in a series of pilots in different domains.
  20. 8. Interoperability and Flexibility Data citation methods should be sufficiently

    flexible to accommodate the variant practices among communities, but should not differ so much that they compromise interoperability of data citation practices across communities.
  21. 8. Interoperability and Flexibility (modified) Data citation methods should follow

    users expectations. They should not be different from citation methods for journal articles or other scholarly content, unless there is a very compelling reason to do so. Data citation methods should be generic rather than specific to a particular community.
  22. Conclusions? Principles are great, but we need to implement them.

    The devil is in the details - there will be no “one size fits all” solution. “Common sense” solutions will work, but will vary across communities - important to collaborate to keep things moving in (roughly) the same directions. Don’t let the perfect be the enemy of the good!