Internet Application of Quad/Triangle Subdivision Scheme. - Ahsan Ullah; Koichi Harada (IMECS, 2006)

Smooth Model from 3-D Surface Construction. - Ahsan Ullah; Koichi Harada (IMECS, 2006)

Association of demographics, motives and intensity of using Social Networking Sites with the formation of bonding and bridging social capital in Pakistan. - Saeed Ahmad; Mudasir Mustafa; Ahsan Ullah (Comput. Hum. Behav., 2016)

Pioneer dataset and automatic recognition of Urdu handwritten characters using a deep autoencoder and convolutional neural network. - Hazrat Ali; Ahsan Ullah; Talha Iqbal; Shahid Khattak (CoRR, 2019)

Relating research growth, authorship patterns and publishing outlets: a bibliometric study of LIS articles produced by Pakistani authors. - Ahsan Ullah; Kanwal Ameen (Scientometrics, 2021)

Statistical analysis used in LIS research produced by Pakistani authors. - Ahsan Ullah; Kanwal Ameen (Online Inf. Rev., 2022)

AVCPR; web-based tool for extracting data from clinical pathology records to facilitate additional analysis and dynamic visualization. - S. M. Abrar Shahriar; Md. Limon; Mst. Nawshin Tasnim; Ahsan Ullah; Kazi Hassan Robin (APIT, 2023)

Growth, subject areas, and application of research methods in user studies: A content analysis of articles produced by Pakistani authors. - Ahsan Ullah; Kanwal Ameen (J. Libr. Inf. Sci., 2023)

History of generative Artificial Intelligence (AI) chatbots: past, present, and future development. - Md. Al-Amin; Mohammad Shazed Ali; Abdus Salam; Arif Khan; Ashraf Ali; Ahsan Ullah; Md. Nur Alam; Shamsul Kabir Chowdhury (CoRR, 2024)

Assessing of software security reliability: Dimensional security assurance techniques. - Mohammad Ali; Ahsan Ullah; Md. Rashedul Islam; Rifat Hossain (Comput. Secur., 2025)

Hurdles experienced by LIS authors from Pakistan during the operability or implementation of selected research methodologies: A qualitative exploration. - Ahsan Ullah (J. Libr. Inf. Sci., 2025)

Enhancing Network Security: A Hybrid Approach for Detection and Mitigation of Distributed Denial-of-Service Attacks Using Machine Learning. - Nizo Jaman Shohan; Gazi Tanbhir; Faria Elahi; Ahsan Ullah; Md. Nazmus Sakib (CoRR, 2025)