C. Ratti

Publications442
h-index70
Citations19,067
Highly Influential Citations796
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Quantifying the benefits of vehicle pooling with shareability networks
TLDR
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.
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LIO-SAM: Tightly-coupled Lidar Inertial Odometry via Smoothing and Mapping
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.…
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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.
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Energy consumption and urban texture
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Real-Time Urban Monitoring Using Cell Phones: A Case Study in Rome
TLDR
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.
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Mobile Landscapes: Using Location Data from Cell Phones for Urban Analysis
TLDR
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.
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Geo-located Twitter as proxy for global mobility patterns
TLDR
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.
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Illuminating clay: a 3-D tangible interface for landscape analysis
TLDR
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.
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Space Syntax: Some Inconsistencies
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…
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Understanding individual mobility patterns from urban sensing data: A mobile phone trace example
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