Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The darkweb: a social network anomaly   We analyse the darkweb and find its structure is unusual. For example, $ \sim
87 \%$ of darkweb sites \emph{never} link to another site. To call the darkweb
a "web" is thus a misnomer -- it's better described as a set of largely
isolated dark silos. As we show through a detailed comparison to the World Wide
Web (www), this siloed structure is highly dissimilar to other social networks
and indicates the social behavior of darkweb users is much different to that of
www users. We show a generalized preferential attachment model can partially
explain the strange topology of the darkweb, but an understanding of the
anomalous behavior of its users remains out of reach. Our results are relevant
to network scientists, social scientists, and other researchers interested in
the social interactions of large numbers of agents.

7
The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys
14
The categories of this paper are: math-ph
36
The categories of this paper are: cmp-lg
21
The categories of this paper are: adap-org
5
The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
0
The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con