Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Secure Abstraction with Code Capabilities   We propose embedding executable code fragments in cryptographically protected
capabilities to enable flexible discretionary access control in cloud-like
computing infrastructures. We are developing this as part of a sports analytics
application that runs on a federation of public and enterprise clouds. The
capability mechanism is implemented completely in user space. Using a novel
combination of X.509 certificates and Javscript code, the capabilities support
restricted delegation, confinement, revocation, and rights amplification for
secure abstraction.

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The categories of this paper are: patt-sol
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The categories of this paper are: gr-qc
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The categories of this paper are: math-ph
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The categories of this paper are: q-alg
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The categories of this paper are: hep-th
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The categories of this paper are: stat
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The categories of this paper are: econ
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The categories of this paper are: astro-ph
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The categories of this paper are: adap-org
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The categories of this paper are: quant-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: dg-ga
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The categories of this paper are: bayes-an
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The categories of this paper are: q-fin
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The categories of this paper are: nucl-th
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The categories of this paper are: comp-gas