A framework for publishing primary biodiversity data
© Roberts and Moritz; licensee BioMed Central Ltd. 2011
Published: 15 December 2011
In modern science, substantial amounts of data are often synthesized into concise publications that present only certain facets of the information contained in the full dataset. Complete datasets are rarely available for independent study. A report published in 2008  neatly summarized the inadequacy of this conventional approach and suggests the great potential for a new paradigm of data sharing:
"The digital age has presented the research community with new opportunities. Research findings in digital form can be easily moved around, duplicated, handed to others, worked on with new tools, merged with other data, divided up in new ways, stored in vast volumes and manipulated by supercomputers if their nature so demands. There is now widespread recognition that data are a valuable long-term resource and that sharing them and making them publicly available is essential if their potential value is to be realised.
There are two essential reasons for making research data publicly available: first, to make them part of the scholarly record that can be validated and tested; second, so that they can be re-used by others in new research."
We are now witnessing the emergence of new journals dedicated to the publication of data, specifically including publication of metadata that support well-informed retrieval of data from stable, persistent and secure sites.
Data sharing became a reality with the advent of computers capable of gathering large volumes of data concurrently with mechanisms to store and access those data. Taken together, these two factors gave us the technologies to move the data about, i.e. the world wide web . The first significant instances of such data sharing occurred in the particle physics and astrophysics communities, joined soon by the molecular biology community. These early adopters, from 'big science' domains, used comparatively simple, standardized data structures with very large collections of data. The benefit of having large communities of scientists working on these massive datasets made clear the gains to be had from data sharing.
The science of biodiversity, by contrast, tends to collect data in much smaller quantities, handled in heterogeneous and non-standardized data structures. A US National Academy of Sciences  report noted that these datasets were "disaggregated components of an incipient network". More importantly, taxonomists and ecologists can still pursue their disciplines essentially as individuals or in small teams. The social structure of big machines and large collaborative teams has not yet made itself felt, although that is beginning to change . In recent years a new discipline, 'biodiversity informatics', has gained prominence, focusing on discovery, integration, management and dissemination of data generated through biodiversity studies. Technical and infrastructural innovations have been achieved, but challenges remain. Biodiversity informatics must yet establish itself as scientifically, ecologically, socially and economically relevant and its long-term viability will depend on establishing that relevance. A major challenge has been the lack of a comprehensive 'data publishing framework' that can overcome technical, infrastructural, social, political, cultural and economic barriers. To address this, the Global Biodiversity Information Facility (GBIF) constituted a 'Data Publishing Framework Task Group' in the spring of 2009.
This special supplement presents the recommendations that emerged from the task group deliberations, together with papers that address additional challenges of data sharing in the biodiversity sciences. Specifically, we seek to examine the existing technical structures that can be used but, perhaps more importantly, we examine mechanisms to motivate data publication, through citation metrics and other measures of utility.
This supplement starts with an article by Moritz et al.  that summarizes the recommendations of the GBIF Data Publishing Framework Task Group. The remaining four articles focus on specific aspects that can help improve various components of the envisaged framework. Chavan and Penev  describe the 'data paper' as one of the incentivizing mechanisms for data publishing. Ingwersen and Chavan  postulate a 'Data Usage Index' as a metric to measure the impact of data publishing from usage patterns. Ariño et al.  conceptualize a 'Biodiversity Informatics Potential Index' to assess the potential of nations in furthering biodiversity informatics and to prioritize efforts to extend the data held. Finally, Goddard et al.  articulate the needs and obstacles of biodiversity data hosting infrastructure. It is clear that not all problems relating to data publishing have yet been resolved, and which of these proposed mechanisms will be taken up by the community involved in providing the data remains to be seen. The issue of persistent identifiers remains, and an acceptable community standard for data citation has yet to be established.
It is our hope that the approaches described here will stimulate a broad movement to publish biodiversity data, as is being demanded by funders in many countries. It will undoubtedly take time to establish a single default portal for biodiversity data that has a reputation similar to that GenBank has among molecular biologists.
The editors are grateful to GBIF for sponsoring the original task group meeting and to the many referees who have contributed to the development of the papers in this volume. The editors are grateful to the ViBRANT project (Grant Agreement 261532) consortium members for their assistance in development of papers in this volume.
This article has been published as part of BMC Bioinformatics Volume 12 Supplement 15, 2011: Data publishing framework for primary biodiversity data. The full contents of the supplement are available online at http://www.biomedcentral.com/1471-2105/12?issue=S15. Publication of the supplement was supported by the Global Biodiversity Information Facility.
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