Journal
METABOLITES
Volume 11, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/metabo11100678
Keywords
metabolomics; database; text mining; open-source software; workflows
Categories
Funding
- NIH Metabolomics Common Fund Program [U01 CA235488, U01CA235488-02S1]
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The bottleneck in fully utilizing metabolomics data lies in the availability, awareness, and usability of analysis tools. To assist researchers in choosing analytical tools and promoting reproducibility, the MSCAT database offers a continuously updated list of metabolomics software tools. By utilizing machine learning methods, MSCAT semi-automates the process of identifying new software tools and provides a user-friendly interface for filtering and monitoring tools.
The bottleneck for taking full advantage of metabolomics data is often the availability, awareness, and usability of analysis tools. Software tools specifically designed for metabolomics data are being developed at an increasing rate, with hundreds of available tools already in the literature. Many of these tools are open-source and freely available but are very diverse with respect to language, data formats, and stages in the metabolomics pipeline. To help mitigate the challenges of meeting the increasing demand for guidance in choosing analytical tools and coordinating the adoption of best practices for reproducibility, we have designed and built the MSCAT (Metabolomics Software CATalog) database of metabolomics software tools that can be sustainably and continuously updated. This database provides a survey of the landscape of available tools and can assist researchers in their selection of data analysis workflows for metabolomics studies according to their specific needs. We used machine learning (ML) methodology for the purpose of semi-automating the identification of metabolomics software tool names within abstracts. MSCAT searches the literature to find new software tools by implementing a Named Entity Recognition (NER) model based on a neural network model at the sentence level composed of a character-level convolutional neural network (CNN) combined with a bidirectional long-short-term memory (LSTM) layer and a conditional random fields (CRF) layer. The list of potential new tools (and their associated publication) is then forwarded to the database maintainer for the curation of the database entry corresponding to the tool. The end-user interface allows for filtering of tools by multiple characteristics as well as plotting of the aggregate tool data to monitor the metabolomics software landscape.
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