1. Vandana Kolisetty V, Rajput DS (2021) Integration and classification approach based on probabilistic semantic association for big data. Complex Intell Syst 11:1–4
2. Kumar R, Dhiman G, Kumar N, Chandrawat RK, Joshi V, Kaur A (2021) A novel approach to optimize the production cost of railway coaches of India using situational-based composite triangular and trapezoidal fuzzy LPP models. Complex Intell Syst 27:1–6
3. Ghanem S, Kanungo P, Panda G, Satapathy SC, Sharma R (2021) Lane detection under artificial colored light in tunnels and on highways: an IoT-based framework for smart city infrastructure. Complex Intell Syst 2:1–2
4. Jain SK, Kesswani N (2021) A noise-based privacy preserving model for internet of things. Complex Intell Syst 25:1–25
5. Kaur S, Singh A, Geetha G, Cheng X (2021) IHWC: intelligent hidden web crawler for harvesting data in urban domains. Complex Intell Syst 24:1–9