Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Model-Based Monitoring for IoTs Smart Cities Applications   Smart Cities are future urban aggregations, where a multitude of
heterogeneous systems and IoT devices interact to provide a safer, more
efficient, and greener environment. The vision of smart cities is adapting
accordingly to the evolution of software and IoT based services. The current
trend is not to have a big comprehensive system, but a plethora of small, well
integrated systems that interact one with each other. Monitoring these kinds of
systems is challenging for a number of reasons.

25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
5
The categories of this paper are: gr-qc
32
The categories of this paper are: atom-ph
33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess
34
The categories of this paper are: chem-ph
22
The categories of this paper are: chao-dyn
29
The categories of this paper are: funct-an
2
The categories of this paper are: math
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ