Testing scientific models using Qualitative Reasoning: Application to cellulose hydrolysis

K. Kansou, C. Rémond, G. Paës, E. Bonnin, J. Tayeb, B. Bredeweg

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

With the accumulation of scientific information in natural science, even experts can find difficult to keep integrating new piece of information. It is critical to explore modelling solutions able to capture information scattered in publications as a computable representation form. Traditional modelling techniques are important in that regard, but relying on numerical information comes with limitations for integrating results from distinct studies, high-level representations can be more suited. We present an approach to stepwise construct mechanistic explanation from selected scientific papers using the Qualitative Reasoning framework. As a proof of concept, we apply the approach to modelling papers about cellulose hydrolysis mechanism, focusing on the causal explanations for the decreasing of hydrolytic rate. Two explanatory QR models are built to capture classical explanations for the phenomenon. Our results show that none of them provides sufficient explanation for a set of basic experimental observations described in the literature. Combining the two explanations into a third one allowed to get a new and sufficient explanation for the experimental results. In domains where numerical data are scarce and strongly related to the experimental conditions, this approach can aid assessing the conceptual validity of an explanation and support integration of knowledge from different sources.
Original languageEnglish
JournalScientific Reports
Volume7
DOIs
Publication statusPublished - 26 Oct 2017
Externally publishedYes

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