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A content-boosted collaborative filtering algorithm for personalized training in interpretation of radiological imaging.

Abstract：

:Devising a method that can select cases based on the performance levels of trainees and the characteristics of cases is essential for developing a personalized training program in radiology education. In this paper, we propose a novel hybrid prediction algorithm called content-boosted collaborative filtering (CBCF) to predict the difficulty level of each case for each trainee. The CBCF utilizes a content-based filtering (CBF) method to enhance existing trainee-case ratings data and then provides final predictions through a collaborative filtering (CF) algorithm. The CBCF algorithm incorporates the advantages of both CBF and CF, while not inheriting the disadvantages of either. The CBCF method is compared with the pure CBF and pure CF approaches using three datasets. The experimental data are then evaluated in terms of the MAE metric. Our experimental results show that the CBCF outperforms the pure CBF and CF methods by 13.33 and 12.17 %, respectively, in terms of prediction precision. This also suggests that the CBCF can be used in the development of personalized training systems in radiology education.

journal_name

J Digit Imaging

journal_title

Journal of digital imaging

authors

Lin H,Yang X,Wang W

doi

10.1007/s10278-014-9678-z

subject

Has Abstract

pub_date

2014-08-01 00:00:00

pages

449-56

issue

4

eissn

0897-1889

issn

1618-727X

journal_volume

27

pub_type

杂志文章

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