Search Results for author: Patrick O'Hara

Found 3 papers, 0 papers with code

An Expectation-Based Network Scan Statistic for a COVID-19 Early Warning System

no code implementations8 Dec 2020 Chance Haycock, Edward Thorpe-Woods, James Walsh, Patrick O'Hara, Oscar Giles, Neil Dhir, Theodoros Damoulas

One of the Greater London Authority's (GLA) response to the COVID-19 pandemic brings together multiple large-scale and heterogeneous datasets capturing mobility, transportation and traffic activity over the city of London to better understand 'busyness' and enable targeted interventions and effective policy-making.

Time Series Time Series Forecasting

Near Real-Time Social Distance Estimation in London

no code implementations7 Dec 2020 James Walsh, Oluwafunmilola Kesa, Andrew Wang, Mihai Ilas, Patrick O'Hara, Oscar Giles, Neil Dhir, Mark Girolami, Theodoros Damoulas

During the COVID-19 pandemic, policy makers at the Greater London Authority, the regional governance body of London, UK, are reliant upon prompt and accurate data sources.

On the Constrained Least-cost Tour Problem

no code implementations18 Jun 2019 Patrick O'Hara, M. S. Ramanujan, Theodoros Damoulas

CLT is related to the family of Travelling Salesman Problems with Profits, but differs by defining the weight function on edges instead of vertices, and by requiring the total weight to be within a range instead of being at least some quota.

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