Contempo: A home care model to enhance the wellbeing of elderly people. - Kurnianingsih; Lukito Edi Nugroho; Widyawan; Lutfan Lazuardi; Ridi Ferdiana; Selo Sulistyo (BHI, 2014)

Modeling of Consumer Interest on E-commerce Products Using Eye Tracking Methods. - Juni Nurma Sari; Lukito Edi Nugroho; Paulus Insap Santosa; Ridi Ferdiana (SCDM, 2018)

Improvement of fusion algorithm using cascade method and implementation on proxy server for replacing negative content on a porn site. - Yosua Alvin Adi Soetrisno; Selo Sulistyo; Ridi Ferdiana; Teguh Bharata Adji (Web Intell., 2018)

Unsupervised software defect prediction using median absolute deviation threshold based spectral classifier on signed Laplacian matrix. - Aris Marjuni; Teguh Bharata Adji; Ridi Ferdiana (J. Big Data, 2019)

Unsupervised software defect prediction using signed Laplacian-based spectral classifier. - Aris Marjuni; Teguh Bharata Adji; Ridi Ferdiana (Soft Comput., 2019)

Test Case Understandability Model. - Novi Setiani; Ridi Ferdiana; Rudy Hartanto (IEEE Access, 2020)

Research Trend on the Use of IT in Digital Addiction: An Investigation Using a Systematic Literature Review. - Flourensia Sapty Rahayu; Lukito Edi Nugroho; Ridi Ferdiana; Djoko Budiyanto Setyohadi (Future Internet, 2020)

Model of Nonlinear Learning Path using Heutagogy. - Nur W. Rahayu; Ridi Ferdiana; Sri Suning Kusumawardani (TALE, 2021)

A systematic review of ontology use in E-Learning recommender system. - Nur W. Rahayu; Ridi Ferdiana; Sri Suning Kusumawardani (Comput. Educ. Artif. Intell., 2022)

A systematic review of learning path recommender systems. - Nur W. Rahayu; Ridi Ferdiana; Sri Suning Kusumawardani (Educ. Inf. Technol., 2023)