Papers

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2024

  • Z Zhang, D Li, Z Zhang, N Duffield (2024), Mining Spatiotemporal Mobility Patterns Using Improved Deep Time Series Clustering, ISPRS International Journal of Geo-Information 13 (11), 374
  • Z Zhang, S Ren, X Qian, N Duffield (2024), Learning Flexible Time-windowed Granger Causality Integrating Heterogeneous Interventional Time Series Data, ACM SIGKDD Conference on Knowledge Discovery and Data Mining
  • F Sharifi, M Burris, L Quadrifoglio, N Duffield, X Xu, A Meitiv, YA Xu (2024), Electric truck feasibility for port drayage operations: Port houston case study, , Transportation Research Part D: Transport and Environment 135, 104355
  • Xinyue Ye, Shoujia Li, Ge Gao, David Retchless, Zhenhang Cai, Galen Newman, Jiaxin Du & Nick Duffield. 3D visualization of hurricane storm surge impact on urban infrastructure. Urban Info 3, 9 (2024). https://doi.org/10.1007/s44212-024-00043-x
  • Z Zhang, S Ren, X Qian, N Duffield (2024), “Toward Invariant Time Series Forecasting in Smart Cities”, 10th International Smart City Workshop-The Web and Smart Cities, 2024
  • Peiman Mohseni, Nick Duffield (2024), “Spectral Convolutional Conditional Neural Processes”, ICLR 2024 Workshop TS4H
  • Risal, Avay, Haoyu Niu, Jose Luis Landivar-Scott, Murilo M. Maeda, Craig W. Bednarz, Juan Landivar-Bowles, Nick Duffield, Paxton Payton, Pankaj Pal, Robert J. Lascano, and et al. (2024). “Improving Irrigation Management of Cotton with Small Unmanned Aerial Vehicle (UAV) in Texas High Plains” Water 16, no. 9: 1300. https://doi.org/10.3390/w16091300
  • Niu, Haoyu, Janvita Reddy Peddagudreddygari, Mahendra Bhandari, Juan A. Landivar, Craig W. Bednarz, and Nick Duffield (2024). “In-Season Cotton Yield Prediction with Scale-Aware Convolutional Neural Network Models and Unmanned Aerial Vehicle RGB Imagery” Sensors 24, no. 8: 2432. https://doi.org/10.3390/s24082432
  • Haoyu Niu, Nicholas Duffield, and Juan Landivar (2024). “Classification of cotton water stress using UAV-based RGB image and convolutional neural networks.”, Advances in Modern Agriculture, Vol 5, Issue 1, Article 2457, 2024. https://doi.org/10.54517/ama.v5i1.2457
  • Snehashis Chakraborty, Hernan Santos Barrera, Nick Duffield, Michael Fox, Walter Magnussen, Patrick Newman, Anjuli Renold, Jian Tao, Valerie Vetrone (2024), Creating a Shared Public Safety Radio Dataset, 2024 IEEE World Forum on Public Safety Technology (WF-PST), pp. 188-191.
  • H. Raghukumar et. al., (2024), Smart Communities, Smart Responders – Artificial Intelligence for Internet of Things Competition: A Case Study in Organizing a Public Safety Innovation Challenge, 2024 IEEE World Forum on Public Safety Technology (WF-PST), to appear
  • Chih-Shen Cheng, Yalong Pi, Tim Lomax, Nick Duffield, Amir H Behzadan (2024), Pedestrian Phone-Related Distracted Behavior Classification in Front-Facing Vehicle Cameras for Road User Safety, Computing in Civil Engineering, 418-425

2023

  • Y. Xu, K. He, R. Wang, M. Yu, N. Duffield, H. Wassel, S. Zhang, L. Poutievski, J. Zhou, A. Vahdat (2022), Hashing Design in Modern Networks: Challenges and Mitigation Techniques, USENIX Annual Tech Conference, 2022,
  • A. Hasanzadeh, E. Hajiramezanali, N. Duffield, X. Qian (2022), MoReL: Multi-omics Relational Learning. International Conference on Learning Representations (2022).
  • Y. Feng, N. Duffield, Multiscale Energy Network Tomography, IFIP Networking 2022
  • Pi Y., Lomax T., Duffield N., Behzadan A. (2022), Visual Recognition for Traffic Information Retrieval and Analysis in Major Events Using Convolutional Neural Networks, Comp. Urban Sci. 2, 2,.
  • B. Lin, L. Zou, N. Duffield, A. Mostafavi, H. Cai, B. Zhou, et al., (2022), Revealing the linguistic and geographical disparities of public awareness to Covid-19 outbreak through social media, International Journal of Digital Earth 2022 Vol. 15 Issue 1 Pages 868-889, https://doi.org/10.1080/17538947.2022.2070677

2021

  • Ziyi Zhang, Diya Li, Zhe Zhang, N. Duffield (2021), A time-series clustering algorithm for analyzing the changes of mobility pattern caused by COVID-19, HANIMOB ’21: Proc. 1st ACM SIGSPATIAL International Workshop on Animal Movement Ecology and Human Mobility, November 2021
  • Patterson, C., Harlin, J., Couri, D., Fowler, D., & Duffield, N (2021), Mentoring in Artificial Intelligence and Materials Science: Applying a New Doctoral Model, The Chronicle of Mentoring and Coaching, November 2021, pp 483-483
  • Sourav Panda, Yixiao Feng, Sameer G. Kulkarni, K. K. Ramakrishnan, Nick Duffield, Laxmi N. Bhuyan (2021) SmartWatch: accurate traffic analysis and flow-state tracking for intrusion prevention using SmartNICs. CoNEXT 2021: 60-75
  • Nesreen K. Ahmed, Nick Duffield, Ryan A. RossiOnline Sampling of Temporal Networks. ACM Trans. Knowl. Discov. Data 15(4): 59:1-59:27(2021)
  • Arman Hasanzadeh, Mohammadreza Armandpour, Ehsan Hajiramezanali, Mingyuan Zhou, Nick Duffield, Krishna Narayanan (2021), Bayesian Graph Contrastive Learning. CoRR abs/2112.07823 (2021)

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1995

  • Large deviations and overflow probabilities for the general single server queue, with applications. N.G. Duffield & Neil O’Connell. Math. Proc. Cam. Phil. Soc., 118, 363-374 (1995). https://doi.org/10.1017/S0305004100073709
  • Large deviations, economies of scale, and the shape of the loss curve in large multiplexers. D.D. Botvich & N.G. Duffield. Queueing Systems., 20, 293-320 (1995).
  • Economies of scale in long and short buffers of large multiplexers. D.D. Botvich, T.J. Corcoran, N.G. Duffield & P. Farrell. Proceedings of 12th IEE UK Teletraffic Symposium, Windsor, 15-17 March 1995, IEE London (1995)
  • Predicting Quality of Service for traffic with long-range fluctuations. N.G. Duffield, J.T. Lewis, Neil O’Connell, Raymond Russell & Fergal Toomey. Proceedings of IEEE International Conference on Communications, Seattle, 18-22 June, 1995, pp473-477.
  • Entropy of ATM traffic streams: a tool for estimating quality of service parameters. N.G. Duffield, J.T. Lewis, Neil O’Connell, Raymond Russell & Fergal Toomey. IEEE Journal  on Selected Areas in Communications, 13, 981-990 (1995). https://doi.org/10.1109/49.400654
  • Estimating QoS parameters for ATM traffic using its entropy. N.G. Duffield, J.T. Lewis, Neil O’Connell, Raymond Russell & F. Toomey. In: Performance Modelling and Evaluation of ATM Networks, Volume 1, pp411-427, Chapman & Hall, London, (1995).
  • Fast bounds for ATM Quality of Service parameters. N.G. Duffield, M. Huggard, R. Russell, F. Toomey & C. Walsh. Proceedings of 12th IEE UK Teletraffic Symposium. Windsor, 15-17 March 1995, IEE London (1995)
  • Allocating bandwidth from traffic descriptors of ATM traffic. D.D. Botvich, T. Curran, N.G. Duffield & S. Murphy. Proceedings of the 3rd workshop on performance modelling and evaluation of ATM networks, Bradford, 3-5 July. (1995)

1994

  • Large deviations for arrivals, departures and overflow in some queues of interacting traffic. N.G. Duffield & N. O’Connell. Proceedings of 11th IEE UK Teletraffic Symposium. Cambridge, March 1994, IEE London (1994)
  • Statistical issues raised by the Bellcore data. N.G. Duffield, J.T. Lewis, N. O’Connell, R. Russell & F. Toomey. Proceedings of 11th IEE UK Teletraffic Symposium. Cambridge, March 1994, IEE London (1994)
  • The entropy of an arrival process: a tool for estimating QoS parameters of ATM traffic. N.G. Duffield, J.T. Lewis, N. O’Connell, R. Russell & F. Toomey. Proceedings of 11th IEE UK Teletraffic Symposium. Cambridge, March 1994, IEE London (1994).
  • Exponential upper bounds via martingales for multiplexers with Markovian arrivals. E.Buffet & N.G. Duffield. J. Appl. Prob., 31, 1049-1061 (1994)
  • Exponential bounds for queues with Markovian arrivals. N.G. Duffield. Queueing Systems, 17, 413-430 (1994)

1992

  • Local mean-field Markov processes: an application to message-switching networks. N.G. Duffield. Prob. Theory Relat. Fields., 93, 485-505 (1992).
  • Microscopic and macroscopic limiting dynamics of a class of inhomogeneous mean-field quantum systems. N.G. Duffield, H. Roos & R.F. Werner. Ann. Inst. H. Poincare: Physique Theorique, 56, 143-186 (1992)
  • Classical hamiltonian dynamics for quantum hamiltonian mean-field limits. N.G. Duffield & R.F. Werner. In: Stochastics and Quantum Mechanics, (Eds. I.M.Davies & A.Truman). Singapore: World Scientific, pp115-129 (1992).
  • Local dynamics of mean-field quantum systems. N.G. Duffield & R.F. Werner. Helv. Phys. Acta, 65, 1016-1054 (1992)
  • Mean-field dynamical semigroups on C*-algebras. N.G. Duffield & R.F. Werner. Rev. Math. Phys., 4, 383-424 (1992)

1991

  • Local correlation functions for mean-field dynamical semigroups on C*-algebras. N.G. Duffield. Helv. Phys. Acta., 64, 610-632 (1991)

1990

1989

  • Thermodynamics and phase transitions in the Overhauser model. N.G. Duffield & J.V. Pule. J. Stat. Phys., 54, 449-475 (1989).
  • The thermodynamics of site-random mean-field quantum spin systems. N.G. Duffield & R. Kuehn. J. Phys. A.: Math., Gen. 22, 4643-4658 (1989).

1988

  • A new method for the thermodynamics of the B.C.S. model. N.G. Duffield & J.V. Pule. Commun. Math. Phys., 118, 475-494 (1988)
  • Global stability of condensation in the continuum limit for H. Froehlich’s pumped phonon system. N.G. Duffield. J. Phys. A: Math. Gen., 21, 625-641 (1988).
  • The continuum limit of dissipative dynamics in H. Froehlich’s pumped phonon system. N.G. Duffield. Helv. Phys. Acta, 61, 363-378 (1988)

1987

  • Thermodynamics of the B.C.S. model through large deviations. N.G. Duffield & J.V. Pule Lett. Math. Phys., 14, 329-331 (1987).

1985

  • Stability of Bose-Einstein condensation in H. Froehlich’s pumped phonon system. N.G. Duffield. Phys. Lett., A110, 332-334 (1985).