Identifying the mobile application repertoire based on weighted formal concept analysis

Sung Eun Kwon, Youn Tae Kim, Hyo won Suh, Heejung Lee

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Smartphones are one of the fastest-growing and most popular consumer devices introduced in the last decade, and the media environment is also changing dramatically. However, there is still a lack of research on recognizing smartphones as media and understanding their usage behavior. This study aims to understand smartphones' mobile application usage patterns from a media combination perspective by identifying mobile application repertoire and killer applications based on demographic segmentation. In this study, we propose the Weighted Formal Concept Analysis to specify the preference of mobile applications and identify their repertoires. The preference of mobile application evaluates the following four aspects in combination: relevance, commonly-shared, conformance, and contribution viewpoints. We conducted a case study, which identified the mobile application within-group and across-group repertoires based on the proposed method, and also discovered that mobile repertoire varies with not only age and gender but also their combinations.

Original languageEnglish
Article number114678
JournalExpert Systems with Applications
StatePublished - 2021 Jul 1
Externally publishedYes


  • Attributes weighting
  • Formal concept analysis
  • Mobile repertoire


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