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. Developing Collaborative QSAR Models Without Sharing Structures
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DOI：10.1021/acs.jcim.7b00315.png)
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Abstract
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It is widely understood that QSAR models greatly improve if more data are used. However, irrespective of model quality, once chemical structures diverge too far from the initial data set, the predictive performance of a model degrades quickly. To increase the applicability domain we need to increase the diversity of the training set. This can be achieved by combining data from diverse sources. Public data can be easily included; however, proprietary data may be more difficult to add due to intellectual property concerns. In this contribution, we will present a method for the collaborative development of linear regression models that addresses this problem. The method differs from other past approaches, because data are only shared in an aggregated form. This prohibits access to individual data points and therefore avoids the disclosure of confidential structural information. The final models are equivalent to models that were built with combined data sets.
Keywords:
ATOMIC PHYSICOCHEMICAL PARAMETERS
CALCULATING LOG P(OCT)
CHEMICAL-STRUCTURES
PREDICTION
ACCURACY
DATASET
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