Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Accurate, Fast and Scalable Kernel Ridge Regression on Parallel and
  Distributed Systems
0
The categories of this paper are: hep-ph
37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
8
The categories of this paper are: hep-ex
17
The categories of this paper are: q-fin
4
The categories of this paper are: cond-mat
25
The categories of this paper are: patt-sol
33
The categories of this paper are: plasm-ph
35
The categories of this paper are: mtrl-th
18
The categories of this paper are: econ
3
The categories of this paper are: physics
2
The categories of this paper are: math
28
The categories of this paper are: alg-geom