• Access Across Australia 

      Wu, Hao; Levinson, David
      Published 2019-06-07
      This report measures accessibility, the ease of reaching valued destinations, for 8 major Australian cities, covering around 70% of resident workers and employment opportunities nationally. Accessibility, measured as the ...
      Open Access
      Report, Technical
    • Access Across New Zealand 

      Wu, Hao; Levinson, David M.
      Published 2020-02-17
      This report measures access to jobs and to resident workers for 3 major New Zealand cities: Auckland, Christchurch, and Wellington, covering around 49% of employment opportunities and 46% of resident workers nationally. ...
      Open Access
      Report, Technical
    • B-Alarm: an Entropy Based Burst Traffic Prediction Approach for Data Center Switches 

      Wu, Hao
      Published 2014-03-26
      With the rapid growth of data centers, research on Ethernet switches in data centers has become a much more critical issue. Since Ethernet switches are essential to the performance of data center networks and can consume ...
      USyd Access
      Thesis
    • Commute Mode Share and Access to Jobs across US Metropolitan Areas 

      Wu, Hao; Levinson, David; Owen, Andrew
      Published 2019-10-03
      How much of the variation in transit mode share is attributable to accessibility is not well understood, despite its significant policy implications. It is hypothesized that better transit accessibility leads to higher ...
      Open Access
      Preprint
    • Effects of Timetable Change on Job Accessibility 

      Wu, Hao; Levinson, David
      Published 2018-09-13
      Accessibility is often not a performance measure for transit services. This study is conducted following the introduction of new timetables which intended to improve passenger throughput for Sydney’s transit services, but ...
      Open Access
      Article
    • Efficient Algorithms for Applications in Bio-medical Data Processing 

      Wu, Hao
      Published 2020
      In this thesis, new high-performance algorithms and machine learning models are developed to solve challenging problems in the bio-medical field. We first focus on developing high performance parallel algorithms for all ...
      USyd Access
      Thesis
    • The ensemble approach to forecasting: A review and synthesis 

      Wu, Hao; Levinson, David M.
      Published 2021
      Ensemble forecasting is a modeling approach that combines data sources, models of different types, with alternative assumptions, using distinct pattern recognition methods. The aim is to use all available information in ...
      Embargoed
      Article
    • How Transit Scaling Shapes Cities 

      Wu, Hao; Levinson, David M.; Sarkar, Somwrita
      Published 2019-11-13
      Transit accessibility to jobs (the ease of reaching work opportunities with public transport) affects both residential location and commute mode choice, resulting in gradations of residential land use intensity and transit ...
      Open Access
      Preprint
    • Immigrant settlement patterns, transit accessibility, and transit use 

      Allen, Jeff; Farber, Steven; Greaves, Stephen; Clinton, Geoffrey; Wu, Hao; Sarkar, Somwrita; Levinson, David M.
      Published 2021
      Public transit is immensely important among recent immigrants for enabling daily travel and activity participation. The objective of this study is to examine whether immigrants settle in areas of high or low transit ...
      Embargoed
      Article
    • Liverpool Sustainable Urban Mobility Study 

      Levinson, David; Wu, Hao; Lahoorpoor, Bahman; Rayaprolu, Hema; Kohan, Rachel; Haddock, Ben
      Published 2020-01-01
      University of Sydney and Arup have been engaged as research and development consultants by iMOVE and Liverpool City Council to develop a Sustainable Urban Mobility Study (SUMS) for the FAST corridor focusing on the areas ...
      Open Access
      Report, Technical
    • Modelling and Estimation of Vector Gegenbauer Processes with Financial Applications 

      Wu, Hao
      Published 2021
      The Gegenbauer ARMA (GARMA) process has been widely used for modeling and predicting financial time series. This model provides the means to capture both short-range and long-range dependencies in the data. However, not ...
      USyd Access
      Thesis
    • Optimum Stop Spacing for Accessibility 

      Wu, Hao; Levinson, David
      Published 2018-09-13
      This paper describes the connection between stop spacing and person-weighted acces- sibility for a transit route. Population distribution is assumed to be uniform along the line, but at each station, demand drops with ...
      Open Access
      Article
    • Theory of Ensemble Forecasting - - with Applications in Transport Modeling 

      Wu, Hao
      Published 2021
      Ensemble forecasting is a modeling approach that internalizes uncertainties, combining models with different assumptions or pattern recognition methods, data from different sources, and different methods of combining models. ...
      Open Access
      Thesis
    • Towards a General Theory of Access 

      Levinson, David M; Wu, Hao
      Published 2020-01-01
      This paper integrates and extends many of the concepts of accessibility deriving from Hansen’s (1959) seminal paper, and develops a theory of access that generalizes from the particular measures of access that have become ...
      Open Access
      Article
    • Towards a new research field: tax analytics using Australian Taxation Office data 

      Wu, Hao
      Published 2020
      Tax datasets are becoming increasingly available in Australia; however, discussions on how such information can be utilised to benefit the tax literature are scarce. This thesis aimed to develop a general approach to explore ...
      Open Access
      Thesis
    • Unifying Access 

      Wu, Hao; Levinson, David M
      Published 2020-05-06
      Since Hansen’s seminal 1959 paper, measures of access have evolved with technology and through practical applications. The myriad of distinct but familially related access measures created many more options to measure ...
      Open Access
      Preprint
    • Working Paper: Measuring polycentricity via network flows, spatial interaction, and percolation 

      Sarkar, Somwrita; Wu, Hao; Levinson, David
      Published 2018-09-18
      Polycentricity is most commonly measured by location-based metrics (e.g. employment density or total number of workers, above a threshold, used to count the number of centres). While these metrics are good indicators of ...
      Open Access
      Working Paper