Technology and Data Analysis

Latest papers

• Content-based Recommendation Engine for Video Streaming Platform

  Puskal Khadka, Prabhav Lamichhane · 1 January 2026

  Recommendation engines suggest content, products, or services to the user by using machine learning algorithms. This paper proposes a content-based recommendation engine that provides personalized video suggestions based on users' previous interactions and preferences. The engine uses TF-IDF (Term F…

• Real-time Air Pollution prediction model based on Spatiotemporal Big data

  Van-Duc Le, Tien-Cuong Bui, Sang Kyun Cha · 9 December 2025

  Air pollution is one of the most concerns for urban areas. Many countries have constructed monitoring stations to hourly collect pollution values. Recently, there is a research in Daegu city, Korea for real-time air quality monitoring via sensors installed on taxis running across the whole city. The…

• Public sentiments on the fourth industrial revolution: An unsolicited public opinion poll from Twitter

  Diletta Abbonato · 1 December 2025

  This paper establishes an empirical baseline of public sentiment toward Fourth Industrial Revolution (4IR) technologies across six European countries during the period 2006--2019, prior to the widespread adoption of generative AI systems. Employing transformer-based natural language processing model…

• Random pairing MLE for estimation of item parameters in Rasch model

  Yuepeng Yang, Cong Ma · 31 October 2025

  The Rasch model, a classical model in the item response theory, is widely used in psychometrics to model the relationship between individuals' latent traits and their binary responses to assessments or questionnaires. In this paper, we introduce a new likelihood-based estimator -- random pairing max…