mattjw
mattjw
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Talks
2023
Cooking up a new search system: Recipe search at Cookpad
How we successfully transitioned the search system for the world’s largest recipe sharing platform to a modern stack – including …
Jun 19, 2023
Berlin, Germany
Slides
Video
Cooking up a new search system: Inside recipe search at Cookpad
Cookpad’s recipe search helps cooks everywhere find tasty dishes to cook within an ever-growing catalogue of six million recipes created by everyday cooks. As a global recipe search with over 40m monthly users – optimising search quality is a critical and challenging task.
May 18, 2023
Bristol, UK
2019
Vector Scoring for Term Embeddings in Elasticsearch
Experiment with term embeddings for automated query expansion in Elasticsearch.
Oct 9, 2019
Bristol, UK
Slides
2018
ML in Action: Software Engineering Meets Data Science (at University of Exeter)
Next Wednesday (24 Oct) I’ll be giving a talk, “ML in Action: Software Engineering Meets Data Science”, to MSc Data Science students at the University of Exeter. Thanks to Hywel Williams for the kind invitation.
Oct 24, 2018
University of Exeter, Exeter, UK
Technical debts in real-world machine learning systems (at University of Bath)
Next Monday (23 April) I’ll be giving a talk, “Technical debts in real-world machine learning systems”, to MSc Data Science students at the University of Bath. Thanks to Ken Cameron for the kind invitation.
Apr 23, 2018
University of Bath, Bath, UK
2016
Mining Github and Meetup.com to Explore the UK’s Digital Tech Clusters (at PyDiff)
I’ll be giving a talk at PyDiff, a monthly meetup for Cardiff’s Python User Group. The topic is mining online platforms (specifically, Github and Meetup) to understand the UK’s digital tech clusters.
Mar 15, 2016
Cardiff University, Cardiff, UK
Slides
2015
SpatioÂtemporal complex networks: reachability, centrality, and robustness
I will be attending and presenting at MoN 14. Abstract: While recent advances in the modelling of spatial and temporal networks have enabled more-accurate descriptions of many real-world systems, existing approaches do not capture the combined constraint that space and time impose on the relationships and interactions present in a spatio-temporal network.
Sep 21, 2015
Oriel College, University of Oxford, UK
Slides
Measuring the Robustness of Real-world Spatio-temporal Networks
I will be attending and presenting at NetSci 2015Â in Zaragoza, Spain, June 1-5 2015.
Jun 3, 2015
Zaragoza, Spain
Slides
Sex, Bugs, and Mobile Phones (at Birmingham Pint of Science Festival)
I will be giving a talk at the Tackling Epidemics Face On evening that’s part of the Birmingham Pint of Science Festival. The talk will be on Tuesday 19th May at the Jekyll & Hyde.
May 19, 2015
The Jekyll &Â Hyde, Birmingham, UK
Slides
Models and Measures for Robustness Analysis in Spatio-Temporal Networks (at Data Natives)
I will be presenting at the one-day Data Natives event being held at City University London on Fri 15th May 2015. I’ll be talking about my current research on the analysis of robustness in real-world spatio-temporal networks.
May 15, 2015
City University of London, London, UK
2014
LASAGNE Multilayer Network Translation Framework (LMTF)
Presentation of a webapp (the LMTF) I developed with LASAGNE research project partners. The LMTF allows translation of popular multilayer network datasets into the LASAGNE data format.
Nov 6, 2014
QMUL, London, UK
Slides
Cheating at rock-paper-scissors – meta-programming in Python
I recently gave a talk at the inaugural Cardiff Django Weekend. It was a very successful weekend, and my first experience of a developer conference. The talk itself was on meta-programming in Python, showing some of the powerful built-in features Python has for reflection and (to an extent) self-modification.
Feb 5, 2014
Cardiff, UK
Code
Slides
2011
Introduction to Social Network Analysis in Python (Guest Lecture)
Guest lecture given to Problem Solving with Python first-year undergraduate students.
Dec 8, 2011
Cardiff University, UK
Slides
A brief journey through Foursquare user check-ins in Cardiff
Initial results from an ongoing Foursquare data collection project that Martin Chorley and I are collaborating on. Focuses on initial analyses and visualisations of Foursquare checkins in Cardiff. See below for a rough animation of checkins generated from this data.
Apr 6, 2011
Cardiff University, UK
Slides
Video
2010
Towards Ambidexterity
An Ignite talk on a five week experiment to see if I could switch handedness (I’m naturally right-hand dominant). Ignite talks last exactly 5 minutes and consist of 20 slides which auto-advance every 15 seconds.
Dec 1, 2010
Cardiff University, UK
Slides
An Introduction to Python... In 30 Minutes
A concise high-level introduction to Python.
Jan 27, 2010
Cardiff University, UK
Slides
2009
How Many Friends is Too Many?
An overview of some research from social networks and anthropology, mostly focusing on Robin Dunbar’s work on social relationships. Also discusses research on social relationships in MMORPGs.
Feb 4, 2009
Cardiff University, UK
Slides
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