Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The dynamics of publishing of posts and comments on facebook (the
  russian segment, the first five months of 2013)   The article presents a study of some characteristics of post and comment
publishing in the Russian segment of Facebook. A number of non-trivial results
has been obtained. For example, a significant anomaly has been detected in the
number of user accounts with the rate of publishing posts of approximately two
posts per three days. The analysis has been carried out at the level of basic
characteristics that are shared by most social media platforms. It makes
possible a direct comparison of obtained results with data from other
platforms. The article presents an approach to formalization and ordering of
structural and informational elements on social media platforms. The approach
is based on the representation of these structural elements in the form of a
coherent hierarchy of container objects and their relations. This method allows
to structure and analyze raw data from different social media platforms in a
unified algorithmic design. The described approach is more formal, universal
and constructive than other known approaches.

3
The categories of this paper are: physics
2
The categories of this paper are: math
5
The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
17
The categories of this paper are: q-fin
0
The categories of this paper are: hep-ph
19
The categories of this paper are: eess
11
The categories of this paper are: hep-lat
36
The categories of this paper are: cmp-lg
37
The categories of this paper are: supr-con
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
6
The categories of this paper are: astro-ph