Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A retrospective view of Miriad   Miriad is a radio interferometry data-reduction package, designed for taking
raw data through to the image analysis stage. The Miriad project, begun in
1988, is now middle-aged. With the wisdom of hindsight, we review design
decisions and some of Miriad's characteristics.

20
The categories of this paper are: acc-phys
32
The categories of this paper are: atom-ph
0
The categories of this paper are: hep-ph
22
The categories of this paper are: chao-dyn
18
The categories of this paper are: econ
21
The categories of this paper are: adap-org
19
The categories of this paper are: eess
9
The categories of this paper are: nlin
25
The categories of this paper are: patt-sol
7
The categories of this paper are: hep-th
12
The categories of this paper are: nucl-th
4
The categories of this paper are: cond-mat
3
The categories of this paper are: physics
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom