=Paper= {{Paper |id=Vol-3890/paper-39 |storemode=property |title=MLentory, an FDO registry for machine learning models |pdfUrl=https://ceur-ws.org/Vol-3890/paper-39.pdf |volume=Vol-3890 }} ==MLentory, an FDO registry for machine learning models== https://ceur-ws.org/Vol-3890/paper-39.pdf
                                MLentory, an FDO registry for machine learning models
                                Dhwani Solanki1, Nelson Quiñones1, Dietrich Rebholz-Schuhmann1,2 and Leyla Jael
                                Castro1,*

                                1 ZB MED Information Centre for Life Sciences, Cologne, Germany

                                2 University of Cologne, Cologne, Germany



                                                Abstract
                                                Here we introduce MLentory, an FDO registry for Machine Learning models and their
                                                corresponding workflows, from creation to deployment. MLentory relies on FAIR Digital Objects
                                                (FDOs) to improve Findability, Accessibility, Interoperability, and Reusability while also
                                                improving reproducibility and transparency. MLentory aggregates, harmonizes and FAIRifies
                                                data from various ML model and model-related repositories and platforms. Here we present the
                                                initial architecture for data extraction, transformation, and loading.

                                                Keywords
                                                Machine learning models, FAIR, FDOs, registry1



                                1. Background
                                Due to the proliferation of Machine Learning (ML) models, it is necessary a systematic
                                approach to report them. To this end, the ML model cards were proposed in 2019 [1],
                                complemented by Dataset cards [2] by providing additional information on the training
                                datasets. A parallel and complementary effort are platforms facilitating the storing, sharing
                                and reporting of ML models and other artifacts needed for training and deployment, e.g.,
                                HuggingFace, neptune.ai, SpaceML, Kipoi, BioImagine Model Zoo, etc. Interoperability
                                across platforms and connection to other ML experiments and related artifacts are still
                                challenging as the corresponding metadata is stored in different ways by different
                                platforms. Harmonization across different efforts is a gap being addressed by different
                                communities, e.g., Research Data Alliance (RDA) FAIR4ML Interest Group, ELIXIR ML Focus
                                Group (ELIXIR MLFG), and National Research Data Infrastructure for Data Science
                                (NFDI4DS) in Germany.




                                SW4THCLS 2024: Semantic Web Applications and Tools for Health Care and Life Sciences, February 26–29,
                                2024, Leiden, The Netherlands
                                ∗ Corresponding author.

                                   ljarcia@zbmed.de (LJ Castro)
                                    0009-0004-1529-0095 (D. Solanki); 0000-0002-5037-0443 (N. Quiñones); 0000-0002-1018-0370 (D.
                                Rebholz-Schuhmann); 0000-0003-3986-0510 (LJ. Castro)
                                           © 2024 Copyright for this paper by its authors.
                                           Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0).
                                           CEUR Workshop Proceedings (CEUR-WS.org)




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                  ceur-ws.org
Workshop      ISSN 1613-0073
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2. MLentory
MLentory aims at providing a registry (aka directory, inventory) for ML models and
corresponding workflows, from creation to deployment. MLentory relies on FAIR Digital
Objects [3] to improve Findability, Accessibility, Interoperability, and Reusability (FAIR
layer in FDOs) while also improving reproducibility and transparency (operations layer in
FDOs). It will rely on metadata agreements reached by the aforementioned communities,
mapped (whenever needed) to schema.org [4], a lightweight approach to semantics already
considered by the scientific community for datasets and software. Here we introduce
MLentory architecture together with an initial proposal for ML models metadata based on
schema.org. MLentory relies on data harvesting from third-party platforms, with
aggregation and harmonization modules for the final shape of the ML model FDOs. A
scheduler is available to keep the inventory continuously updated. The data storage
corresponds to an RDF graph with an ElasticSearch module for indexing and
communication with the front-end interface and corresponding RESTful services.

3. Conclusions and future work
Here we have outlined the MLentory architecture to collect, aggregate and harmonize
reporting of ML models together with the initial consideration for a possible metadata
schema. We aim to share our framework to improve ML model metadata, paving the way
for more robust and transparent ML practices.

Acknowledgements
This work has been partially supported by NFDI4DataScience, a consortium funded by the
German Research Foundation (DFG), project number 460234259.

References
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    Fairness, Accountability, and Transparency. 2019. doi:10.1145/3287560.3287596
[2] Bender EM, Friedman B. Data Statements for Natural Language Processing: Toward
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    Pieces    to     Actionable    Knowledge     Units.    Publications.    2020;8:     21.
    doi:10.3390/publications8020021
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