Sound Data Management Training » History » Version 70

Steve Welburn, 2012-08-22 03:41 PM

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h1. WP1.2 Online Training Material
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{{>toc}}
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We consider three stages of a research project, and the appropriate research data management considerations for each of those stages. The stages are:
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* before the research;
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* during the research;
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* at the end of the research.
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{{include(Before The Research)}}
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h2. [[During The Research]]
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During the course of a piece of research, data management is largely risk mitigation - it makes your research more robust and allows you to continue if something goes wrong.
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The two main areas to consider are:
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* [[backing up]] research data - in case you lose, or corrupt, the main copy of your data;
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* [[documenting data]] - in case you need to to return to it later.
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In addition to the immediate benefits during research, applying good research data management practices makes it easier to manage your research data at the end of your research project.
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We have identified three basic types of research projects, two quantitative (one based on new data, one based on a new algorithm) and one qualitative, and consider the data management techniques appropriate to those workflows. More complex research projects may required a combination of the techniques from these.
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h3. Quantitative research - New Data
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For this use case, the research workflow involves:
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* creating a new dataset
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* testing outputs of existing algorithms on the dataset
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* publication of results
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The new dataset may include:
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* Selection or creation of underlying (audio) data (the actual audio may be in the dataset or the dataset may reference material - e.g. for [[Copyright|copyright]] reasons)
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* creation of ground-truth annotations for the audio and the type of algorithm (e.g. chord sequences for chord estimation, onset times for onset detection)
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The content of the dataset will need to be [[documenting data|documented]].
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Data involved includes:
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* [[Managing Software As Data|software]] for the algorithms
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* the new dataset
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* identification of existing datasets against which results will be compared
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* results of applying the algorithms to the dataset
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* documentation of the testing methodology - including algorithm parameters
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Note that *if* existing algorithms have published results using the same existing datasets and methodology, then results should be directly comparable between the published results and the results for the new dataset. In this case, most of the methodology is already documented and only details specific to the new dataset need separately recording.
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If the testing is scripted, then the code used would be sufficient documentation during the research - readable documentation only being required at publication.
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h3. Quantitative research - New Algorithm
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bq. A common use-case in C4DM research is to run a newly-developed analysis algorithm on a set of audio examples and evaluate the algorithm by comparing its output with that of a human annotator. Results are then compared with published results using the same input data to determine whether the newly proposed approach makes any improvement on the state of the art.
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Data involved includes:
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* [[Managing Software As Data|software]] for the algorithm
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* An annotated dataset against which the algorithm can be tested
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* Results of applying the new algorithm and competing algorithms to the dataset
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* Documentation of the testing methodology
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Note that *if* other algorithms have published results using the same dataset and methodology, then results should be directly comparable between the published results and the results for the new algorithm. In this case, most of the methodology is already documented and only details specific to the new algorithm (e.g. parameters) need separately recording.
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Also, if the testing is scripted, then the code used would be sufficient documentation during the research - readable documentation only being required at publication.
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h3. Qualitative research
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An example would be using interviews with performers to evaluate a new instrument design.
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The workflow is:
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* Gather data for the experiment (e.g. though interviews)
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* Analyse data
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* Publish data
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Data involved may include:
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* the interface design
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* Captured audio from performances
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* Recorded interviews with performers (possibly audio or video)
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* Interview transcripts
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The research may also involve:
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* Demographic details of participants
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* Identifiable participants (Data Protection])
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* Release forms for people taking part
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and *will* involve:
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* ethics-board approval
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h2. At The End Of The Research
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Either the complete end of a research project or on completion of an identifiable unit of research (e.g. on publication of a paper based on your research).
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* [[Archiving research data]]
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* [[Publishing research data]]
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* Reviewing the data management plan (possibly for the project final report)
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Publication of the results of your research will require:
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* Summarising the results
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* Publishing the paper
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Note that the EPSRC data management principles require sources of data to be referenced.
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h2. Primary Investigator (PI)
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The data management concerns of a PI will largely revolve around planning and appraisal of data management for research projects - both to make sure that they conform with institutional and funder requirements and to ensure that the data managment needs of the research project are met.
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Areas of interest may involve:
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* [[legislation|legalities]] (Freedom of Information, Copyright and Data Protection)
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* data management plan
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** covering the research council requirements
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** during the project
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** data archiving
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** data publication
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* After the project is completed, an appraisal of how the data was managed should be carried out as part of the project's "lessons learned"
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Data management training should provide an overview of all the above, and keep PIs informed of any changes in the above that affect data management requirements.
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The DCC DMP Online tool provides a series of questions which allow the user to build a data management plan which will match research council requirements.
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h2. Overarching concerns
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Human participation - ethics, data protection
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Audio data - copyright
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Storage - where ? how ? SLA ?
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Short-term resilient storage for work-in-progress
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Long-term archival storage for research data outputs
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Curation of archived data - refreshing media and formats
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Drivers - FoI, RCUK