Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: WLAN location system: Background theories and future directions   This paper presents background theories and required steps towards
preparation of a WLAN location system. This paper targets on a software project
and intention behind this paper is to motivate the young researchers in the
area.

36
The categories of this paper are: cmp-lg
22
The categories of this paper are: chao-dyn
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
14
The categories of this paper are: math-ph
35
The categories of this paper are: mtrl-th
19
The categories of this paper are: eess
31
The categories of this paper are: ao-sci
10
The categories of this paper are: q-bio
21
The categories of this paper are: adap-org
33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
2
The categories of this paper are: math