Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Contextual Semantics: From Quantum Mechanics to Logic, Databases,
  Constraints, and Complexity   We discuss quantum non-locality and contextuality, emphasising logical and
structural aspects. We also show how the same mathematical structures arise in
various areas of classical computation.

6
The categories of this paper are: astro-ph
4
The categories of this paper are: cond-mat
30
The categories of this paper are: q-alg
2
The categories of this paper are: math
17
The categories of this paper are: q-fin
16
The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
8
The categories of this paper are: hep-ex
12
The categories of this paper are: nucl-th
32
The categories of this paper are: atom-ph
15
The categories of this paper are: nucl-ex
7
The categories of this paper are: hep-th
18
The categories of this paper are: econ
23
The categories of this paper are: solv-int
5
The categories of this paper are: gr-qc