Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Assigning Grammatical Relations with a Back-off Model   This paper presents a corpus-based method to assign grammatical
subject/object relations to ambiguous German constructs. It makes use of an
unsupervised learning procedure to collect training and test data, and the
back-off model to make assignment decisions.

18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
30
The categories of this paper are: q-alg
26
The categories of this paper are: bayes-an
5
The categories of this paper are: gr-qc
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess
37
The categories of this paper are: supr-con
21
The categories of this paper are: adap-org
25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph