1. Department of Computer Science & Engineering, University of Kalyani, Kalyani 741235, India
2. Department of Computer Science & Engineering, Neotia Institute of Technology, Management & Science, Diamond Harbour 743368, India
3. National Digital Library of India, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
4. Tata Consultancy Services, Salt Lake, Kolkata 700091, India
5. Tata Consultancy Services, Whitefield, Bangaluru 560066, India