Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Patterns of Effort Contribution and Demand and User Classification based
  on Participation Patterns in NPM Ecosystem   Background: Open source requires participation of volunteer and commercial
developers (users) in order to deliver functional high-quality components.
Developers both contribute effort in the form of patches and demand effort from
the component maintainers to resolve issues reported against it. Aim: Identify
and characterize patterns of effort contribution and demand throughout the open
source supply chain and investigate if and how these patterns vary with
developer activity; identify different groups of developers; and predict
developers' company affiliation based on their participation patterns. Method:
1,376,946 issues and pull-requests created for 4433 NPM packages with over
10,000 monthly downloads and full (public) commit activity data of the 272,142
issue creators is obtained and analyzed and dependencies on NPM packages are
identified. Fuzzy c-means clustering algorithm is used to find the groups among
the users based on their effort contribution and demand patterns, and Random
Forest is used as the predictive modeling technique to identify their company
affiliations. Result: Users contribute and demand effort primarily from
packages that they depend on directly with only a tiny fraction of
contributions and demand going to transitive dependencies. A significant
portion of demand goes into packages outside the users' respective supply
chains (constructed based on publicly visible version control data). Three and
two different groups of users are observed based on the effort demand and
effort contribution patterns respectively. The Random Forest model used for
identifying the company affiliation of the users gives a AUC-ROC value of 0.68.
Conclusion: Our results give new insights into effort demand and supply at
different parts of the supply chain of the NPM ecosystem and its users and
suggests the need to increase visibility further upstream.

21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
10
The categories of this paper are: q-bio
24
The categories of this paper are: dg-ga
34
The categories of this paper are: chem-ph
32
The categories of this paper are: atom-ph
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The categories of this paper are: funct-an
14
The categories of this paper are: math-ph
19
The categories of this paper are: eess
31
The categories of this paper are: ao-sci
13
The categories of this paper are: quant-ph
37
The categories of this paper are: supr-con
25
The categories of this paper are: patt-sol
3
The categories of this paper are: physics
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th