Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Introduction to the CoNLL-2003 Shared Task: Language-Independent Named
  Entity Recognition   We describe the CoNLL-2003 shared task: language-independent named entity
recognition. We give background information on the data sets (English and
German) and the evaluation method, present a general overview of the systems
that have taken part in the task and discuss their performance.

21
The categories of this paper are: adap-org
5
The categories of this paper are: gr-qc
4
The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
35
The categories of this paper are: mtrl-th
12
The categories of this paper are: nucl-th
16
The categories of this paper are: stat
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
22
The categories of this paper are: chao-dyn
29
The categories of this paper are: funct-an
20
The categories of this paper are: acc-phys
3
The categories of this paper are: physics
6
The categories of this paper are: astro-ph