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Design and Evaluation of News Recommender System : A Variety Seeking Perspective

첫 페이지 보기
  • 발행기관
    한국경영정보학회 바로가기
  • 간행물
    Asia Pacific Journal of Information Systems KCI 등재 SCOPUS 바로가기
  • 통권
    제35권 제1호 (2025.03)바로가기
  • 페이지
    pp.146-176
  • 저자
    Somnath Bhattacharya, Shankar Prawesh
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A465368

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원문정보

초록

영어
Popularity based top-N news recommender systems have often been criticized for limitations like monotonicity and popularity amplification. The probabilistic selection of news articles has been found to theoretically address some of the major limitations of top-N recommendation, but its potential impact on reader behavior has not been examined. Based on the variety-seeking nature of consumption, we hypothesize that the probabilistic system should outperform the top-N system across measures of web traffic, user satisfaction, and reader engagement selected using the Balanced Score Card. For evaluation, we conducted a couple of laboratory based experiments. In the first part, 68 participants were randomly assigned to two groups who were shown the same website. Based on the measures, we calculated the sample size for A/B testing. Web traffic and user satisfaction scores were higher for readers who were shown the probabilistic recommendations by 20% and 10%, respectively. Results regarding reader engagement were statistically insignificant. Based on our findings, we conclude that the probabilistic system can be used by media houses as an alternative to the top-N system.

목차

ABSTRACT
Ⅰ. Introduction
Ⅱ. Prior Theory and Research
2.1. Probabilistic Sampling for Recommen dation
2.2. Variety Seeking Behaviour and News Recommendation
2.3. Balanced Scorecard and News Recommendation
Ⅲ. Hypothesis Development
Ⅳ. Experimental Design
4.1. Metrics Operationalization
4.2. Data Collection
4.3. Pre-Test Analysis
4.4. Post-test Analysis
Ⅴ. Discussion
5.1. Theoretical Implications
5.2. Implications for Practice
5.3. Limitations
5.4. Conclusion


키워드

News Recommender System Variety-seeking Behavior Probabilistic Recommendation

저자

  • Somnath Bhattacharya [ Assistant Professor, CMS B School, Jain University, India ] Corresponding Author
  • Shankar Prawesh [ Assistant Professor, Department of Management Sciences, IIT Kanpur, India ]

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    한국경영정보학회 [The Korea Society of Management information Systems]
  • 설립연도
    1989
  • 분야
    사회과학>경영학
  • 소개
    이 학회는 경영정보학의 연구 및 교류를 촉진하고 학문의 발전과 응용에 공헌함을 목적으로 합니다.

간행물

  • 간행물명
    Asia Pacific Journal of Information Systems
  • 간기
    계간
  • pISSN
    2288-5404
  • eISSN
    2288-6818
  • 수록기간
    1990~2026
  • 등재여부
    KCI 등재,SCOPUS
  • 십진분류
    KDC 325 DDC 658

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