Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Formal Visual Modeling of Real-Time Systems in e-Motions: Two Case
  Studies   e-Motions is an Eclipse-based visual timed model transformation framework
with a Real-Time Maude semantics that supports the usual Maude formal analysis
methods, including simulation, reachability analysis, and LTL model checking.
e-Motions is characterized by a novel and powerful set of constructs for
expressing timed behaviors. In this paper we illustrate the use of these
constructs --- and thereby implicitly investigate their suitability to define
real-time systems in an intuitive way --- to define and formally analyze two
prototypical and very different real-time systems: (i) a simple round trip time
protocol for computing the time it takes a message to travel from one node to
another, and back; and (ii) the EDF scheduling algorithm.

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The categories of this paper are: plasm-ph
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The categories of this paper are: econ
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The categories of this paper are: comp-gas
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The categories of this paper are: physics
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The categories of this paper are: eess
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The categories of this paper are: hep-lat
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The categories of this paper are: adap-org
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The categories of this paper are: math
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The categories of this paper are: q-bio
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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: cmp-lg
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The categories of this paper are: mtrl-th
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The categories of this paper are: gr-qc
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The categories of this paper are: astro-ph
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The categories of this paper are: nucl-th