Title
Selecting the top-quality item through crowd scoring
Abstract
We investigate crowdsourcing algorithms for finding the top-quality item within a large collection of objects with unknown intrinsic quality values. This is an important problem with many relevant applications, such as in networked recommendation systems. The core of the algorithms is that objects are distributed to crowd workers, who return a noisy and biased evaluation. All received evaluations are then combined to identify the top-quality object. We first present a simple probabilistic model for the system under investigation. Then we devise and study a class of efficient adaptive algorithms to assign in an effective way objects to workers. We compare the performance of several algorithms, which correspond to different choices of the design parameters/metrics. In the simulations, we show that some of the algorithms achieve near optimal performance for a suitable setting of the system parameters.
Year
DOI
Venue
2015
10.1145/3157736
ACM Transactions on Modeling and Performance Evaluation of Computing
Keywords
Field
DocType
Crowd scoring,recommendation systems,resource allocation
Recommender system,Data mining,Computer science,Crowdsourcing,Artificial intelligence,Statistical model,Instrumental and intrinsic value,Machine learning
Journal
Volume
Issue
ISSN
abs/1512.07487
1
2376-3639
Citations 
PageRank 
References 
0
0.34
12
Authors
4
Name
Order
Citations
PageRank
Alessandro Nordio110222.31
Alberto Tarable28613.42
E. Leonardi31830146.87
Marco Ajmone Marsan42588322.69