NDLI: Software crowdsourcing task pricing based on topic model analysis

Content Provider	IET Digital Library
Author	Shen, YuSong Yang, Ye Wang, Yong Chang, DeLin
Abstract	In software crowdsourcing, task prize is a primary incentive for engaging crowd developers. One of the main challenges in crowdsourcing task pricing is to determine appropriate prizes in order to attract qualified workers. Few studies proposed methods to address this challenge. However, they are either too theoretical or too restricted to be applied for early crowdsourcing planning. In this study, we propose a novel approach, i.e., PTMA, to support early task pricing in software crowdsourcing from textual task requirements. PTMA consists of three phases, namely data pre-processing, topic extraction, and topic-based task pricing analysis, integrating 6 machine learning algorithms and 3 analogy-based models for topic-based pricing analysis. PTMA is evaluated using data from 2016 software crowdsourcing tasks extracted from TopCoder, the largest software crowdsourcing platform. The results show that: 1) textual requirement information can aid early task pricing in software crowdsourcing; 2) the best predictor in PTMA, based on logistic regression, achieves an accuracy of 88.3% in Pred (30); and 3) PTMA outperforms the existing baseline models by 9% in Pred (30). PTMA greatly simplifies the pricing process by only leveraging textual task description as inputs, and can achieve better prediction accuracy in making task pricing decisions.
Starting Page	759
Ending Page	767
Page Count	9
ISSN	17518806
Volume Number	14
e-ISSN	17518814
Issue Number	Issue 7, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-sen.2019.0168
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-sen/14/7
Journal	IET Software
Publisher Date	2020-11-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	2016 Software Crowdsourcing Tasks Analogy-based Model Crowdsourcing Planning Decision Making Existing Baseline Model Knowledge Engineering Technique Largest Software Crowdsourcing Platform Learning in AI Pricing Pricing Approach Pricing Process PTMA Approach Reduced Task Granularity Regression Analysis Software Cost Estimation Software Crowdsourcing Task Prices Software Crowdsourcing Task Pricing Software Engineering Software Management Statistics Task Pricing Decision Text Analysis Textual Task Description Textual Task Requirement Documents Textual Task Requirement Information Topic Extraction Topic Model Analysis Topic-based Pricing Analysis Topic-based Task Pricing Analysis Traditional Software Cost Model
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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