Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fragment Descriptors in Virtual Screening   This article reviews the application of fragment descriptors at different
stages of virtual screening: filtering, similarity search, and direct activity
assessment using QSAR/QSPR models. Several case studies are considered. It is
demonstrated that the power of fragment descriptors stems from their
universality, very high computational efficiency, simplicity of interpretation
and versatility.

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The categories of this paper are: astro-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: cs
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The categories of this paper are: q-bio
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The categories of this paper are: cmp-lg
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The categories of this paper are: q-fin
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The categories of this paper are: acc-phys
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The categories of this paper are: mtrl-th
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The categories of this paper are: dg-ga
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The categories of this paper are: supr-con
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The categories of this paper are: nucl-ex
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The categories of this paper are: comp-gas
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The categories of this paper are: nlin
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The categories of this paper are: solv-int
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The categories of this paper are: math
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The categories of this paper are: quant-ph