38 research outputs found
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SELFIES and the future of molecular string representations
Artificial intelligence (AI) and machine learning (ML) are expanding in popularity for broad applications to challenging tasks in chemistry and materials science. Examples include the prediction of properties, the discovery of new reaction pathways, or the design of new molecules. The machine needs to read and write fluently in a chemical language for each of these tasks. Strings are a common tool to represent molecular graphs, and the most popular molecular string representation, SMILES, has powered cheminformatics since the late 1980s. However, in the context of AI and ML in chemistry, SMILES has several shortcomings -- most pertinently, most combinations of symbols lead to invalid results with no valid chemical interpretation. To overcome this issue, a new language for molecules was introduced in 2020 that guarantees 100\% robustness: SELFIES (SELF-referencIng Embedded Strings). SELFIES has since simplified and enabled numerous new applications in chemistry. In this manuscript, we look to the future and discuss molecular string representations, along with their respective opportunities and challenges. We propose 16 concrete Future Projects for robust molecular representations. These involve the extension toward new chemical domains, exciting questions at the interface of AI and robust languages and interpretability for both humans and machines. We hope that these proposals will inspire several follow-up works exploiting the full potential of molecular string representations for the future of AI in chemistry and materials science
SELFIES and the future of molecular string representations
Artificial intelligence (AI) and machine learning (ML) are expanding in
popularity for broad applications to challenging tasks in chemistry and
materials science. Examples include the prediction of properties, the discovery
of new reaction pathways, or the design of new molecules. The machine needs to
read and write fluently in a chemical language for each of these tasks. Strings
are a common tool to represent molecular graphs, and the most popular molecular
string representation, SMILES, has powered cheminformatics since the late
1980s. However, in the context of AI and ML in chemistry, SMILES has several
shortcomings -- most pertinently, most combinations of symbols lead to invalid
results with no valid chemical interpretation. To overcome this issue, a new
language for molecules was introduced in 2020 that guarantees 100\% robustness:
SELFIES (SELF-referencIng Embedded Strings). SELFIES has since simplified and
enabled numerous new applications in chemistry. In this manuscript, we look to
the future and discuss molecular string representations, along with their
respective opportunities and challenges. We propose 16 concrete Future Projects
for robust molecular representations. These involve the extension toward new
chemical domains, exciting questions at the interface of AI and robust
languages and interpretability for both humans and machines. We hope that these
proposals will inspire several follow-up works exploiting the full potential of
molecular string representations for the future of AI in chemistry and
materials science.Comment: 34 pages, 15 figures, comments and suggestions for additional
references are welcome
Tax administration reform in transition: the case of Croatia
This Occasional Paper reports the research results of a project on the tax administration in Croatia conducted by the Institute of Public Finance in Zagreb for the Croatian Tax Administration. The project team report was finalised in summer 1997 and it includes ten papers which are published in Croatian in the Institute’s journal “Financijska praksa”, Volume 22 , Number 1-2 (April 1998). This paper is the summary of the project written by Katarina Ott (Institute of Public Finance)
SELFIES and the future of molecular string representations
Artificial intelligence (AI) and machine learning (ML) are expanding in popularity for broad applications to challenging tasks in chemistry and materials science. Examples include the prediction of properties, the discovery of new reaction pathways, or the design of new molecules. The machine needs to read and write fluently in a chemical language for each of these tasks. Strings are a common tool to represent molecular graphs, and the most popular molecular string representation, Smiles, has powered cheminformatics since the late 1980s. However, in the context of AI and ML in chemistry, Smiles has several shortcomings—most pertinently, most combinations of symbols lead to invalid results with no valid chemical interpretation. To overcome this issue, a new language for molecules was introduced in 2020 that guarantees 100% robustness: SELF-referencing embedded string (Selfies). Selfies has since simplified and enabled numerous new applications in chemistry. In this perspective, we look to the future and discuss molecular string representations, along with their respective opportunities and challenges. We propose 16 concrete future projects for robust molecular representations. These involve the extension toward new chemical domains, exciting questions at the interface of AI and robust languages, and interpretability for both humans and machines. We hope that these proposals will inspire several follow-up works exploiting the full potential of molecular string representations for the future of AI in chemistry and materials science
SELFIES and the future of molecular string representations
Artificial intelligence (AI) and machine learning (ML) are expanding in popularity for broad applications to challenging tasks in chemistry and materials science. Examples include the prediction of properties, the discovery of new reaction pathways, or the design of new molecules. The machine needs to read and write fluently in a chemical language for each of these tasks. Strings are a common tool to represent molecular graphs, and the most popular molecular string representation, Smiles, has powered cheminformatics since the late 1980s. However, in the context of AI and ML in chemistry, Smiles has several shortcomings—most pertinently, most combinations of symbols lead to invalid results with no valid chemical interpretation. To overcome this issue, a new language for molecules was introduced in 2020 that guarantees 100% robustness: SELF-referencing embedded string (Selfies). Selfies has since simplified and enabled numerous new applications in chemistry. In this perspective, we look to the future and discuss molecular string representations, along with their respective opportunities and challenges. We propose 16 concrete future projects for robust molecular representations. These involve the extension toward new chemical domains, exciting questions at the interface of AI and robust languages, and interpretability for both humans and machines. We hope that these proposals will inspire several follow-up works exploiting the full potential of molecular string representations for the future of AI in chemistry and materials science
1966 Clinic Yearbook
The Clinic is the yearbook of the Sidney Kimmel Medical College (formerly Jefferson Medical College) at Thomas Jefferson University
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