All Stories

  1. Evaluating Intrinsic Geospatial Topological Reasoning in LLMs

    Article • November 2025, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  2. Generating human trajectories with Transformers

    Article • October 2024, ACM (Association for Computing Machinery)

    Cyrus Shahabi, Shang-Ling Hsu

  3. Introduction to the Special Issue on Vision Papers

    Article • ACM Transactions on Spatial Algorithms and Systems, June 2024, ACM (Association for Computing Machinery)

    Cyrus Shahabi, Yunting Song

  4. Mobility Data Science: Perspectives and Challenges

    Article • ACM Transactions on Spatial Algorithms and Systems, May 2024, ACM (Association for Computing Machinery)

    Dr Gennady Andrienko, Dr. Panos Chrysanthis, Dr Anita Graser, Amr Magdy, Maxime Schoemans, Cyrus Shahabi, Moustafa Youssef

  5. Generating Realistic and Representative Trajectories with Mobility Behavior Clustering

    Article • November 2023, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  6. Learning Dynamic Graphs from All Contextual Information for Accurate Point-of-Interest Visit Forecasting

    Article • November 2023, ACM (Association for Computing Machinery)

    Haoji Hu, Cyrus Shahabi, Arash Hajisafi

  7. NeuroSketch: Fast and Approximate Evaluation of Range Aggregate Queries with Neural Networks

    Article • Proceedings of the ACM on Management of Data, May 2023, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  8. A Neural Approach to Spatio-Temporal Data Release with User-Level Differential Privacy

    Article • Proceedings of the ACM on Management of Data, May 2023, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  9. Spatial Gems 2022 Workshop Report: The 4th ACM SIGSPATIAL International Workshop on Spatial Gems

    Article • SIGSPATIAL Special, November 2022, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  10. HTF: Homogeneous Tree Framework for Differentially-Private Release of Large Geospatial Datasets with Self-Tuning Structure Height

    Article • ACM Transactions on Spatial Algorithms and Systems, October 2022, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  11. ASTRO: Reducing COVID-19 Exposure through Contact Prediction and Avoidance

    Article • ACM Transactions on Spatial Algorithms and Systems, June 2022, ACM (Association for Computing Machinery)

    Dr. Panos Chrysanthis, Cyrus Shahabi, Constantinos Costa, Chrysovalantis Anastasiou

  12. Toward Accurate Spatiotemporal COVID-19 Risk Scores Using High-Resolution Real-World Mobility Data

    Article • ACM Transactions on Spatial Algorithms and Systems, June 2022, ACM (Association for Computing Machinery)

    Cyrus Shahabi, Kameron Shahabi

  13. Introduction to the Special Issue on Intelligent Trajectory Analytics: Part I

    Article • ACM Transactions on Intelligent Systems and Technology, February 2022, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  14. Quantifying Intrinsic Value of Information of Trajectories

    Article • November 2021, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  15. CrowdMap

    Article • November 2021, ACM (Association for Computing Machinery)

    Luciano Nocera, Cyrus Shahabi

  16. HTF

    Article • November 2021, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  17. Crosstown Foundry: A Scalable Data-driven Journalism Platform for Hyper-local News

    Article • June 2021, ACM (Association for Computing Machinery)

    Cyrus Shahabi, Luciano Nocera

  18. The 2nd ACM SIGSPATIAL International Workshop on Spatial Gems

    Article • SIGSPATIAL Special, January 2021, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  19. REACT

    Article • SIGSPATIAL Special, October 2020, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  20. Fast Distance-based Outlier Detection in Data Streams based on Micro-clusters

    Article • January 2019, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  21. Multi-task Representation Learning for Travel Time Estimation

    Article • July 2018, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  22. A Real-Time Framework for Task Assignment in Hyperlocal Spatial Crowdsourcing

    Article • ACM Transactions on Intelligent Systems and Technology, February 2018, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  23. Scenic Routes Now

    Article • November 2017, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  24. PaRE

    Article • April 2017, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  25. Inferring Traffic Incident Start Time with Loop Sensor Data

    Article • October 2016, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  26. Latent Space Model for Road Networks to Predict Time-Varying Traffic

    Article • August 2016, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  27. PerNav

    Article • June 2016, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  28. Geographic Segmentation via Latent Poisson Factor Model

    Article • February 2016, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  29. Real-Time Multi-Criteria Social Graph Partitioning

    Article • May 2015, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  30. GeoTruCrowd

    Article • November 2013, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  31. Crowd sensing of traffic anomalies based on human mobility and social media

    Article • November 2013, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  32. Maximizing the number of worker's self-selected tasks in spatial crowdsourcing

    Article • November 2013, ACM (Association for Computing Machinery)

    Cyrus Shahabi

  33. Entropy-based histograms for selectivity estimation

    Article • January 2013, ACM (Association for Computing Machinery)

    Cyrus Shahabi