Network Science Lab

“You cannot understand the complexity of the system without mapping the network out, on the other hand, network science has learned a lot from complexity science on how to analyze these networks and how to look for organizing principles within them. I think only together will we make progress in understanding complex systems.” — Albert-László Barabási

About

Networks are created by interactions between people/entities and are of great interest to researchers today. Social network analysis and Social media analytics are two derivations of Network Science, which are extensively researched among computer scientists and practiced in diverse domains.

At the network science lab, we strive to understand the dynamics and patterns that define the structure and behaviour of complex networks. Our collaborative research has explored large-scale data sets to develop methods for scalable network analysis.

People


Vasudha Bhatnagar

Professor
Department of Computer Science,
University of Delhi
vbhatnagar@cs.du.ac.in
vasudhabhatnagar@gmail.com

Sharanjit Kaur
Professor
Acharya Narendra Dev College,
University of Delhi
sharanjitkaur@andc.du.ac.in


Rakhi Saxena
Assistant Professor
Deshbandhu College,
University of Delhi
rsaxena@db.du.ac.in


Swagata Duari
Research Scholar
Department of Computer Science,
University of Delhi
sduari@cs.du.ac.in



Alka Khurana
Assistant Professor
Hansraj College,
University of Delhi
khurana.alka04@gmail.com



Divya Kwatra
Assistant Professor
Hansraj College,
University of Delhi
divyakwatragoyal@gmail.com



Kirti jain
Research Scholar
Department of Computer Science,
University of Delhi
kjain1@cs.du.ac.in

Publications

2023

  • Kirti Jain, Vasudha Bhatnagar, and Sharanjit Kaur , "Epidemic dynamics in census-calibrated modular contact network", Network Modeling Analysis in Health Informatics and Bioinformatics, Springer Nature, Volume 12, Issue 1, p. 14, 2023 (2022 IF: 2.045). Paper
  • Kirti Jain, Vasudha Bhatnagar, Sadanand Parasad and Sharanjit Kaur, "Coupling Fear and Contagion for Modeling Epidemic Dynamics", IEEE Transactions on Network Science and Engineering (TNSE), Volume 10, Issue 1, p. 20-34, 2023. (2022 IF: 5.033). Paper



2022

  • Alka Khurana, Vasudha Bhatnagar , "Investigating Entropy for Extractive Document Summarization", Expert Systems with Applications, Volume 187, p. 115820, Elsevier, 2022. (2020 IF: 6.954). Paper

  • Divya Kwatra, K. Ramachandra Rao, and Vasudha Bhatnagar, "Expertise Computation for Automatic Reviewer Assignment", Information Integration and Web Intelligence: 24th International Conference, iiWAS 2022, Virtual Event, November 28–30, Cham: Springer Nature Switzerland, 2022. Paper

  • Vasudha Bhatnagar, Swagata Duari and S. K. Gupta, "Quantitative Discourse Cohesion Analysis of Scientific Scholarly Texts Using Multilayer Networks", IEEE Access, Volume 10, p. 88538-88557, 2022. Paper



2021

  • Swagata Duari, Vasudha Bhatnagar, "FFCD: A Fast-and-Frugal Coherence Detection Method", IEEE Access, 2021. Paper

  • Jaspreet Singh Dhani, Ruchika Bhatt, Balaji Ganesan, Parikshet Sirohi, Vasudha Bhatnagar, "Similar Cases Recommendation using Legal Knowledge Graphs", arXiv preprint arXiv:2107.04771, 2021. Paper



2020

  • Rochana Chaturvedi, Saachi, Jaspreet Singh Dhani, Anurag Joshi, Ankush Khanna, Neha Tomar, Swagata Duari, Alka Khurana and Vasudha Bhatnagar, "Divide and Conquer: From Complexity to Simplicity for Lay Summarization", In Proceedings of the First Workshop on Scholarly Document Processing (Online), Association for Computational Linguistics, November 2020, pp 344--355. Paper

  • Swagata Duari and Vasudha Bhatnagar, "Complex Network based Supervised Keyword Extractor", Expert Systems with Applications, Volume 140, p. 112876, 2020. (2018 IF: 4.292) Paper Code



2019

  • Rakhi Saxena, Sharanjit Kaur and Vasudha Bhatnagar, "Identifying Similar Networks using Structural Hierarchy", Physia A: Statistical Mechanics and its Applications, 2019. Paper
  • Swagata Duari and Vasudha Bhatnagar, "Semi-automatic System for Title Construction", Gani A., Das P., Kharb L., Chahal D. (eds) Information, Communication and Computing Technology. ICICCT 2019. Communications in Computer and Information Science, Springer, Singapore., Volume 1025, Pages 216-227. Paper Code
  • Swagata Duari and Vasudha Bhatnagar, "sCAKE: Semantic Connectivity Aware Keyword Extraction", Information Sciences, Volume 477, Pages 100 – 117, 2019.
    Paper Code



2018

  • Rakhi Saxena, Sharanjit Kaur, Vasudha Bhatnagar, "Social Centrality using Network Hierarchy and Community Structure", Data Mining and Knowledge Discovery, 2018. Paper Code
  • Rakhi Saxena, "Capitalizing on Hierarchical Graph Decomposition for Scalable Network Analysis", Proceedings of the VLDB PhD Workshop, Rio de Janeiro, Brazil, 2018. Paper



2017

  • Sharanjit Kaur, Rakhi Saxena, and Vasudha Bhatnagar, "Leveraging Hierarchy and Community Structure for determining Influencers in Networks ", Big Data Analytics and Knowledge Discovery - 19th International Conference, DaWaK 2017,Lyon, France, August 28-31, 2017.
    Paper



2016

  • Rakhi Saxena, Sharanjit Kaur, Debasis Dash, and Vasudha Bhatnagar, "Leveraging structural hierarchy for scalable network comparison", Database and Expert Systems Applications - 27th International Conference, DEXA 2016, Porto, Portugal, September 5-8, 2016.
    Paper Code

Outreach

Organization of Workshops

  • Faculty Development Program on 'Network Science: Foundation of Social Network Analysis' jointly organized by Teaching Learning Centre, Ramanujan College and Dept. of Computer Science during December 3-8, 2018. (Presentations and R Scripts)

  • Organized workshop on 'R Programming', Deptt of CS, University of Delhi, Delhi, Feb 12, 2018.

  • Organized one day workshop on 'Graph Analytics', Deptt of CS, University of Delhi, Delhi, Apr 2015.

Tutorials and Talks

  • Modeling Epidemic Dynamics through Contact Networks - International Health Informatics Conference (IHIC 2022), Sri Sri University, Cuttack, Odisha, India, May 15, 2022.

  • Network Science: Foundation of Social Network Analysis, Conference on Software Engineering and Data Sciences, University of Kashmir, Srinagar, 20-21 Jun 2018.

  • Introduction to Text Analytics at National Workshop on Machine Learning organized by Deen Dayal Upadhyaya College, New Delhi, on December 27, 2017.

  • Tutorial on 'Unsupervised Keyword Extraction from Single Document' by Swagata Duari, Aditya Gupta, and Vasudha Bhatnagar at the 5th International Conference on Big Data Analytics (BDA 2017) held at IIIT Hyderabad, India during December 12-15, 2017. (pdf)

  • Text Analytics - An Introduction at a Faculty Development Program on 'Big Data Analytics' organized by Geethanjali College of Engineering and Technology, Hyderabad, on November 29, 2017.

  • Text Analytics at Faculty Development Program on 'Data Sciences and Machine Learning' organized by Bharati Vidyapeeth College of Engineering, New Delhi, on November 10, 2016.