Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: wiki.openmath.org - how it works, how you can participate   At http://wiki.openmath.org, the OpenMath 2 and 3 Content Dictionaries are
accessible via a semantic wiki interface, powered by the SWiM system. We
shortly introduce the inner workings of the system, then describe how to use
it, and conclude with first experiences gained from OpenMath society members
working with the system and an outlook to further development plans.

12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
13
The categories of this paper are: quant-ph
7
The categories of this paper are: hep-th
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph
17
The categories of this paper are: q-fin
15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat
31
The categories of this paper are: ao-sci