Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Uma an\'alise bibliom\'etrica do Congresso Nacional de Bibliotec\'arios,
  Arquivistas e Documentalistas (1985-2012)   This article is the first bibliometric analysis of the 708 lectures published
by The Librarians and Archivists National Congress between 1985 and 2012,
having been developed markers for production, productivity, institutional
origin and thematic analysis, in a quantitative, relational and diachronic
perspective. Its results show a dynamic congress, essentially national and
professional, with a strong majority of individual authorships, even with the
recent growth of the ratio of collaborations. In its thematic approach,
emphasis is given to public services of information, with the greatest focus
being on libraries, while still giving relevance to reflections on professional
and academic training in the area of Information Sciences, and also following
the most recent technological developments.

33
The categories of this paper are: plasm-ph
22
The categories of this paper are: chao-dyn
14
The categories of this paper are: math-ph
11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
9
The categories of this paper are: nlin
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
2
The categories of this paper are: math
36
The categories of this paper are: cmp-lg