Modelling to identify influential bloggers in the blogosphere: A survey. - Hikmat Ullah Khan; Ali Daud; Umer Ishfaq; Tehmina Amjad; Naif R. Aljohani; Rabeeh Ayaz Abbasi; Jalal S. Alowibdi (Comput. Hum. Behav., 2017)

Identifying the Influential Bloggers: A modular approach based on Sentiment Analysis. - Umer Ishfaq; Hikmat Ullah Khan; Khalid Iqbal (J. Web Eng., 2017)

A Big Data Approach to Black Friday Sales. - Mazhar Javed Awan; Mohd Shafry Mohd Rahim; Haitham Nobanee; Awais Yasin; Osamah Ibrahim Khalaf; Umer Ishfaq (Intell. Autom. Soft Comput., 2021)