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Quantifying the effects of increasing user choice in MAP-Elites applied to a Workforce Scheduling and Routing Problem.

Conference Proceeding
Urquhart, N., Hart, E., & Hutcheson, W. (2019)
Quantifying the effects of increasing user choice in MAP-Elites applied to a Workforce Scheduling and Routing Problem. In EvoApplications 2019: Applications of Evolutionary Computation, 49-63. https://doi.org/10.1007/978-3-030-16692-2_4
Quality-diversity algorithms such as MAP-Elites provide a means of supporting the users when finding and choosing solutions to a problem by returning a set of solutions which ...

Athos - A Model Driven Approach to Describe and Solve Optimisation Problems

Conference Proceeding
Hoffman, B., Chalmers, K., Urquhart, N., & Guckert, M. (2019)
Athos - A Model Driven Approach to Describe and Solve Optimisation Problems. https://doi.org/10.1145/3300111.3300114
Implementing solutions for optimisation problems with general purpose high-level programming languages is a time consuming task that can only be carried out by professional so...

Simulating the actions of commuters using a multi-agent system

Journal Article
Urquhart, N., Powers, S., Wall, Z., Fonzone, A., Ge, J., & Polhill, G. (2019)
Simulating the actions of commuters using a multi-agent system. Journal of Artificial Societies and Social Simulation, 22(2), https://doi.org/10.18564/jasss.4007
The activity of commuting to and from a place of work affects not only those travelling but also wider society through their contribution to congestion and pollution. It is de...

An Agent Based Technique for Improving Multi-Stakeholder Optimisation Problems

Conference Proceeding
Urquhart, N., & Powers, S. T. (2019)
An Agent Based Technique for Improving Multi-Stakeholder Optimisation Problems. In PAAMS 2019: Advances in Practical Applications of Survivable Agents and Multi-Agent Systems: The PAAMS Collection: vol 1 – Main track and Demos proceedings, 285-289. https://doi.org/10.1007/978-3-030-24209-1_32
We present an agent based framework for improving multi-stakeholder optimisation problems, which we define as optimisation problems where the solution is utilised by a number ...

Simulating Dynamic Vehicle Routing Problems with Athos

Conference Proceeding
Hoffman, B., Guckert, M., Chalmers, K., & Urquhart, N. (2019)
Simulating Dynamic Vehicle Routing Problems with Athos. In Proceedings of the 33rd International ECMS Conference on Modelling and Simulation ECMS 2019, (296-302). https://doi.org/10.7148/2019-0296
Complex routing problems, such as vehicle routing problems with additional constraints, are both hard to solve and hard to express in a form that is accessible to the human ex...

An Illumination Algorithm Approach to Solving the Micro-Depot Routing Problem

Conference Proceeding
Urquhart, N., Hoehl, S., & Hart, E. (2019)
An Illumination Algorithm Approach to Solving the Micro-Depot Routing Problem. In Genetic and Evolutionary Computation Conference (GECCO '19)https://doi.org/10.1145/3321707.3321767
An increasing emphasis on reducing pollution and congestion in city centres combined with an increase in online shopping is changing the ways in which logistics companies addr...

Increasing Trust in Meta-Heuristics by Using MAP-Elites

Conference Proceeding
Urquhart, N., Guckert, M., & Powers, S. (2019)
Increasing Trust in Meta-Heuristics by Using MAP-Elites. In GECCO '19 Companion, (1345-1348). https://doi.org/10.1145/3319619.3326816
Intelligent AI systems using approaches containing emergent elements often encounter acceptance problems. Results do not get sufficiently explained and the procedure itself ca...

Evaluating the Performance of an Evolutionary Tool for Exploring Solution Fronts

Conference Proceeding
Urquhart, N. (2018)
Evaluating the Performance of an Evolutionary Tool for Exploring Solution Fronts. In Applications of Evolutionary Computation, (523-537). https://doi.org/10.1007/978-3-319-77538-8_36
EvoFilter is an evolutionary algorithm based tool for searching through large non-dominated fronts in order to find a subset of solutions that are of interest to the user. Ev...

Optimisation and Illumination of a Real-world Workforce Scheduling and Routing Application via Map-Elites

Conference Proceeding
Urquhart, N., & Hart, E. (2018)
Optimisation and Illumination of a Real-world Workforce Scheduling and Routing Application via Map-Elites. In Parallel Problem Solving from Nature – PPSN XV 15th International Conference, Coimbra, Portugal, September 8–12, 2018, Proceedings, Part Ihttps://doi.org/10.1007/978-3-319-99253-2_39
Workforce Scheduling and Routing Problems (WSRP) are very common in many practical domains, and usually have a number of objectives. Illumination algorithms such as Map-Elites...

Using MAP-Elites to support policy making around Workforce Scheduling and Routing

Journal Article
Urquhart, N., Hart, E., & Hutcheson, W. (in press)
Using MAP-Elites to support policy making around Workforce Scheduling and Routing. Automatisierungstechnik, 68(2), https://doi.org/10.1515/auto-2019-0107
English abstract: Algorithms such as MAP-Elites provide a means of allowing users to explore a solution space by returning an archive of high-performing solutions. Such an arc...
11 results

The Extractive Components of UK Hardwood

2016 - 2017
Use the ITED system to search literature based observations about the chemical extractive components of both broadleaf and conifer tree species commonly grown in the UK. Chemically, wood structure ma...
Funder: Forestry Commission Scotland | Value: £28,492

DataLab_LarderLoad

2016 - 2016
Analysis of transactional data provided by real time cloud based ordering systems linked within the food supply chain which targets Foodservice sector
Funder: Data Lab | Value: £19,807

Caddie Charger

2014 - 2014
Focusing on the IT aspects of sound recognition and analysis. The product will be used to monitor the players  playing golf shots using a mixture of location, wi-fi and sounds technologies. Through us...
Funder: Scottish Funding Council | Value: £4,950

AvantGuarde

2014 - 2014
Workshop style sessions were held with Avant Garde, their work so far was reviewed and issues relating to performance were examined. We were able to make specific  suggestions to address a number of i...
Funder: Scottish Funding Council | Value: £5,000

Esave Feasibility Study

2012 - 2012
This project undertook the following tasks: 1) An analysis of the existing work flow within the energy audit process used by esave on behalf of their clients. 2) The specification and design of a...
Funder: Scottish Funding Council | Value: £5,000

Food Services Analytics

2015 - 2015
I-POS produce an Intelligent Point of Sale application which runs on Apple iPad hardware for use in bars and restaurants. The application generates transaction based sales data and re-ordering data fr...
Funder: Scottish Funding Council | Value: £5,000

Netmedia: Innovation Voucher for Artificial Intelligence/Optimisation

2018 - 2018
The project will examine the manner in which a scheduling/timetabling system can be enhanced by having classifying users into types and then using problem templates matched to type to guide the user.
Funder: Scottish Funding Council | Value: £5,000

Bus Passenger Analytics

2020 - 2020
Passengers using the Lothian Buses network may use a smart card (Ridacard) to pay for their journey, swiping the card on boarding a vehicle. Smart card journeys account for about 1/3rd of journeys mad...
Funder: Data Lab | Value: £26,170

Optimum order of deliveries within milk rounds

2013 - 2014
This project is being undertaken in collaboration  with McQueens Dairies. The principle aim is investigate the optimisation of drop-off points within milk rounds. The project will establish a suitable...
Funder: Scottish Funding Council | Value: £5,000

Tick2Ride Proof of Concept

2007 - 2008
The project looked at using optimisation techniques to plan business travel (i.e. journey sharing) and reduce its environmental impact. Both soft constraints (personal preferences) and hard const...
Funder: Scottish Enterprise | Value: £102,836