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Quantifying the benefits of vehicle pooling with shareability networks
- P. Santi, G. Resta, M. Szell, Stanislav Sobolevsky, S. Strogatz, C. Ratti
- Computer ScienceProceedings of the National Academy of Sciences
- 10 October 2013
The notion of shareability network is introduced, which allows to model the collective benefits of sharing as a function of passenger inconvenience, and to efficiently compute optimal sharing strategies on massive datasets, and demonstrates the feasibility of a shareable taxi service in New York City.
LIO-SAM: Tightly-coupled Lidar Inertial Odometry via Smoothing and Mapping
- Tixiao Shan, Brendan Englot, Drew Meyers, Wei Wang, C. Ratti, D. Rus
- Environmental ScienceIEEE/RSJ International Conference on Intelligent…
- 1 July 2020
We propose a framework for tightly-coupled lidar inertial odometry via smoothing and mapping, LIO-SAM, that achieves highly accurate, real-time mobile robot trajectory estimation and map-building.…
Estimating Origin-Destination Flows Using Mobile Phone Location Data
Using an algorithm to analyze opportunistically collected mobile phone location data, the authors estimate weekday and weekend travel patterns of a large metropolitan area with high accuracy.
Energy consumption and urban texture
Real-Time Urban Monitoring Using Cell Phones: A Case Study in Rome
- F. Calabrese, Massimo Colonna, P. Lovisolo, Dario Parata, C. Ratti
- Computer ScienceIEEE Transactions on Intelligent Transportation…
- 1 March 2011
A new real-time urban monitoring system that marks the unprecedented monitoring of a large urban area, which covered most of the city of Rome, in real time using a variety of sensing systems and will hopefully open the way to a new paradigm of understanding and optimizing urban dynamics.
Mobile Landscapes: Using Location Data from Cell Phones for Urban Analysis
The ‘Mobile Landscapes' project is presented: an application in the metropolitan area of Milan, Italy, based on the geographical mapping of cell phone usage at different times of the day, which enables a graphic representation of the intensity of urban activities and their evolution through space and time.
Geo-located Twitter as proxy for global mobility patterns
- B. Hawelka, I. Sitko, E. Beinat, Stanislav Sobolevsky, Pavlos Kazakopoulos, C. Ratti
- Environmental ScienceCartography and geographic information science
- 4 November 2013
This article analyses geo-located Twitter messages in order to uncover global patterns of human mobility and reveals spatially cohesive regions that follow the regional division of the world.
Illuminating clay: a 3-D tangible interface for landscape analysis
A novel system that alters the topography of a clay landscape model while the changing geometry is captured in real-time by a ceiling-mounted laser scanner, combining the tangible immediacy of physical models with the dynamic capabilities of computational simulations.
Space Syntax: Some Inconsistencies
- C. Ratti
- 1 August 2004
This paper reports on a number of inconsistencies that appear in space syntax—a well-known technique of urban analysis—when dealing with certain geometrical configurations. At a simple level, the…