{"id":9,"date":"2026-08-04T01:31:49","date_gmt":"2026-08-04T01:31:49","guid":{"rendered":"https:\/\/orsnz.org.nz\/conf58\/?page_id=9"},"modified":"2026-11-12T08:35:26","modified_gmt":"2026-11-12T08:35:26","slug":"orsnz-workshop-2026","status":"publish","type":"page","link":"https:\/\/orsnz.org.nz\/conf58\/","title":{"rendered":"ORSNZ Workshop 2026"},"content":{"rendered":"\n
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The 58th annual Operations Research Society of New Zealand (ORSNZ<\/a>) workshop will be held Thursday 19th and Friday 20th November 2026 at the University of Auckland\u2019s city campus.<\/p>\n\n\n\n

Click here to jump to the programme<\/a><\/p>\n\n\n\n

Purpose<\/h2>\n\n\n\n

The purpose of ORSNZ is to bring together academic and industrial practitioners of Operations Research and Management Science<\/a> in New Zealand.<\/p>\n\n\n\n

Abstract submission<\/h2>\n\n\n\n

We welcome presentations on any aspect of operations research, analytics or management science, especially practical applications.<\/p>\n\n\n\n

Submit an abstract<\/a>.<\/p>\n\n\n\n

Submissions from students and practitioners are greatly encouraged. Abstracts should be 250 words <\/strong>or fewer and are to be submitted as plain text.<\/p>\n\n\n\n

Presentations will be 20 minutes in length (15 + 5 for questions)<\/strong>. All abstracts will be considered by the conference committee, and the authors notified of their acceptance (or otherwise).<\/p>\n\n\n\n

Submission deadline for abstracts:<\/strong> Tuesday 27 October 2026
Submission deadline for papers:<\/strong> 8 November, 2026<\/p>\n\n\n\n

Registration<\/h2>\n\n\n\n

Register to attend the workshop at https:\/\/events.humanitix.com\/orsnz-annual-conference-2026<\/a>. <\/p>\n\n\n\n

Early-bird prices run until 31 October.<\/p>\n\n\n\n

Students who are presenting at the conference and who are (or have been) studying full-time during this calendar year are eligible for student registration rates. Students must email conference at orsnz.org.nz, cc\u2019ing their academic supervisor at their institution,  to confirm their student status.<\/p>\n\n\n\n

Gurobi Community Event<\/h2>\n\n\n\n

On Thursday 19th, ORSNZ is co-located with the Gurobi Community Event<\/a>, and we will hold a joint networking dinner. More details to come.<\/p>\n\n\n\n

Programme<\/h2>\n\n\n\n

The programme is subject to change at any time.<\/p>\n\n\n\n

The full book of abstracts is available here<\/a>. It also contains the programme on pages 3-4.<\/p>\n\n\n\n

Time<\/strong><\/td>Thursday 19th<\/strong><\/td><\/tr>
08:30<\/td>Registration<\/em><\/td><\/tr>
09:00<\/td>Welcome<\/td><\/tr>
09:20<\/td>Talks Healthcare<\/strong>
Chair: Cameron Walker
1. Mohsen Abdoli (University of Auckland): Multi-Objective Scheduling and Routing for Preventive Home Healthcare Services for Geriatric Patients (YPP, JAG)
2. Lisa Aoki Hillas (University of Auckland): Prediction Versus Waiting as a Screening Device (JAG)
3. Sign\u00fd Krist\u00edn Sigurj\u00f3nsd\u00f3ttir (University of Iceland): Revealed-Practice Scheduling: A Historically Grounded Optimization Approach for Operating Room Planning (JAG)<\/td><\/tr>
10:20<\/td>Morning Tea<\/td><\/tr>
10:40<\/td>Talks Energy<\/strong>
Chair: Andy Philpott
1. Madison L. Zegeer (University of Canterbury): Bridging stochastic hydro-scheduling and deterministic capacity expansion models (YPP)
2. Alexandre Fargier (University of Auckland): Optimising BESS energy arbitrage in the NZEM (YPP)
3. Ali K\u00f6k (TU Wien): Staged capacity expansion with long-term hydro storage using cyclic SDDP policy graphs (YPP, JAG)
4. Asta Susan Rustad (Technical University of Denmark): Integrated Wind Farm Layout and Cable Routing: Upper Bounds and Algorithms (YPP, JAG)<\/td><\/tr>
12:00<\/td>Lunch<\/td><\/tr>
13:00<\/td>Talks
Chair: Lisa Aoki Hillas
1. Yajun Shi (Auckland University of Technology): Asymptotic analysis of infinite-server queues driven by a Cox-BESQ process (YPP)
2. Harry Newrick & Chris Oliver (University of Auckland): A Faster Algorithm For Multi-Criteria Betweenness (YPP)
3. Ahmed Abdelhadi (University of Auckland): Bustrify: A simulation and analysis package for public transport electrification (YPP, JAG)<\/td><\/tr>
14:00<\/td>Short break<\/td><\/tr>
14:10<\/td>Talks Transport, logistics and energy<\/strong>
Chair: Sarah Marshall
1. Jiaying Gu (University of Canterbury): Data-driven robust optimization for resilient transportation network planning under landslide uncertainty (YPP)
2. Hannah Liu (University of Auckland): Delivery performance of platform-owned and marketplace products in a platform-operated logistics network (JAG)
3. Hanqing Wang (Beijing Jiaotong University): Planning of Centralised-Charging Battery Swapping Networks with Dynamic Service Availability
4. Andy Philpott (University of Auckland): Power, Prices and Profits in Energy-Only Wholesale Electricity Markets<\/td><\/tr>
15:30<\/td>Afternoon Tea<\/td><\/tr>
16:00<\/td>Gurobi Community Event<\/a>
1. Michael O\u2019Sullivan (University of Auckland): Optimisation in practice: water resource management planning
2. Hamideh Anjomshoa (Gurobi): Gurobi Intelligence: GenAI in Gurobi
3. Simon Bowly (Gurobi): What\u2019s new at Gurobi: Gurobi 14.0<\/td><\/tr>
17:30<\/td>Conference Dinner at The Brit Pub & Eatery<\/a> 122 Quay St.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Time<\/strong><\/td>Friday 20th<\/strong><\/td><\/tr>
09:00<\/td>Talks
Chair: Michael O’Sullivan
1. Ava Purvis & Samriddhi Jaiswal (University of Auckland): Optimising Computational Performance of Mixed Integer Programming Models
2. Maz Lakadia (Evolve DS): Autonomous Orchestration of Third-Party Optimisation Engines
3. Yuan Tian (Victoria University of Wellington): Learning and Transferring Scheduling Heuristics through Genetic Programming for Dynamic Multi-Mode Projects
4. Simon Bowly (Gurobi): Recent developments in solving large linear programs<\/td><\/tr>
10:20<\/td>Morning Tea<\/td><\/tr>
10:40<\/td>Talks
Chair: Andrea Raith
1. Ehsan Mahmoodi (University of Auckland): Who keeps the lights on? A two-stage stochastic model of field-workforce design for electricity network resilience in Auckland
2. Jack Yarndley (University of Auckland): Continuous Representations of Pareto Fronts via High-Order KKT Expansions
3. Lewis Azzopardi (University of Auckland): Column Generation Algorithm for Parallel Task Scheduling with Communication Delays
4. Andrew Mason (University of Auckland): Experiments with Neighbourhood Pricing to speed up Column Generation<\/td><\/tr>
12:00

12:20<\/td>		Lunch

ORSNZ Annual General Meeting<\/td><\/tr>
13:00<\/td>Invited talk
Chair: Andrew Mason
Jip J. Dekker (Monash University): Say What, Not How: Constraint Modelling with MiniZinc<\/td><\/tr>
14:00<\/td>Afternoon Tea<\/td><\/tr>
14:20<\/td>Talks
Chair: David Robb
1. Yale T. Herer (Technion – Israel Institute of Technology): Spare Parts Inventory Management Utilizing Live Machine Health Data: A Digital Twin Approach
2. Paul Rouse (University of Auckland): Benefit of the Doubt Models: Input Minimisation, Zero-Valued Measures and Weight Robustness<\/td><\/tr>
15:00<\/td>Prize Giving and Closing<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n

Location<\/h2>\n\n\n\n

The workshop will take place at the University of Auckland at the Science Centre<\/a> (which is building 302), 23 Symonds Street. We will be in room G20 on the ground floor.<\/p>\n\n\n\n

Dinner venue: The Brit Pub & Eatery<\/a><\/p>\n\n\n\n

Parking: Parking is available in the Sir Owen G. Glenn Building<\/a><\/p>\n\n\n\n

Public Transport: The University of Auckland is well connected to main public transport routes. Further information is available from Auckland Transport<\/a>. <\/p>\n\n\n\n

Accommodation: Attendees are responsible for finding and booking their own accommodation. There are many options within walking distance.<\/p>\n\n\n\n

Prizes<\/h2>\n\n\n\n

ORSNZ Young Practitioners\u2019 Prize (YPP)<\/h3>\n\n\n\n

The YPP prize is supported by WePlan<\/a> <\/p>\n\n\n\n

OR practitioners and students who are within 5 years of graduation on the first day of the conference (19 November 2026) are invited to compete for $1000 of prizes in the ORSNZ Young Practitioners\u2019 Prize competition. There will be two prize categories: paper and presentation.<\/p>\n\n\n\n