iiinova — where your digital self keeps evolving

Matt Duckham @duckham.org · 28/01/2025

First impressions: #DeepSeek looks like another good entry into the crowded LLM/ChatBot space. But just like OpenAI and all the others, it gives the same over-confident, over-elaborate, and fundamentally incorrect responses to basic spatial questions. #geoai #gischat

Screenshot of DeepSeek giving a confident and incorrect answer to a basic spatial query “who is Elizabeth Street in Melbourne named after?”

Screenshot of DeepSeek giving another confident and incorrect answer to a follow up to the spatial query “who is Elizabeth Street in Melbourne named after?”

Screenshot of DeepSeek giving an over confident, over elaborate and incorrect answer to a basic spatial query about directions.

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Matt Duckham @duckham.org · 10/01/2025

My latest “GIS in 60s” video, on Dijkstra’s shortest paths algorithm. #GISchat I found this one pushed the limits of what I can explain in 60s. So I’m interested to hear if you think it works or not. But even if not, I did learn some new #AfterEffects tricks along the way and it was fun to make.

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Matt Duckham @duckham.org · 09/01/2025

The thoughtful @bsky.app people added a setting in the app to help remember.

Screenshot of the accessibility settings in the Bluesky app, with “Require alt text before positing” checked

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Matt Duckham @duckham.org · 07/01/2025

The Douglas-Peuker algorithm for cartographic line simplification in 60s #GISchat

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Matt Duckham @duckham.org · 30/12/2024

Latest in my “GIS in 60s” videos tackles one of the most fundamental geometric operations in a #GIS: detecting intersections between line segments. #GISchat The full set of videos is here: youtube.com/playlist?lis... #AfterEffects #PremierePro #Illustrator

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Matt Duckham @duckham.org · 10/12/2024

Quadtree addresses in 60s, part of the (slowly) growing series at m.youtube.com/@gisacp #gischat

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Matt Duckham @duckham.org · 09/12/2024

RMIT Redback Bots in action! @rmitcomputing.bsky.social redbackbots.com

Two teams of small humanoid robots, playing soccer in a brightly lit green alcove with 4 human robocup team members in red and black sports uniform.

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Matt Duckham @duckham.org · 07/12/2024

The simple (naive) k-means clustering algorithm is too inefficient to be used in practice. But it’s useful for grasping the idea behind k-means (and as my first attempt at explaining an algorithm in one minute!) #gischat #geoai

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Matt Duckham @duckham.org · 03/12/2024

GIS in 60 seconds video no. 3 on schematic maps #gischat. I’ve also set up a channel with all videos m.youtube.com/@gisacp

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Matt Duckham @duckham.org · 02/12/2024

Spectacular view, 80 floors up at Cameo bar in #melbourne.

Two glasses of wine on a table in front of a spectacular 80th floor city view.

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Matt Duckham @duckham.org · 30/11/2024

The modifiable areal unit problem (MAUP) explained in bsky 60 seconds. The second in the new series to accompany my #GIS book. #gischat

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Matt Duckham @duckham.org · 29/11/2024

My mission to find the best accessible Indian restaurant in #melbourne continues. Gaylord in the CBD is not it though, even though we had a good meal. Despite good accessibility (🦼🦼🦼🦼, including accessible wc), we rated it only tasty (⭐️⭐️⭐️ out of 5) and it lacked a little oomph (🌶️🌶️)!

Selection of Indian cuisine dishes on a table with a white table cloth.

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Matt Duckham @duckham.org · 28/11/2024

Listening to the brilliant @lisagiven.bsky.social talking about AI irl!

Lisa presenting at a podium taking in front of a display screen

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Matt Duckham @duckham.org · 27/11/2024

Inspired by the bsky 60s rule for videos, I’ve started a series of short explainers to accompany my #GIS book. First up: the famous four intersection model! #gischat #geoai

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Matt Duckham @duckham.org · 25/11/2024

In case you too were irritated by the appearance of pointless Teams clutter in your tidy #Mac status bar…

Screen shot showing locations of setting in Teams software to disable status bar item

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Matt Duckham @duckham.org · 21/11/2024

My first slice-and-bake recipe cookie with two dough colours. A bit fiddly moving dough to and from the freezer, but works well.

Dozens of circular shortbread cookies, each containing a red star, freshly baked on a cooling rack.

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Matt Duckham @duckham.org · 19/11/2024

This cute interactive visualization nolandc.com/chi-shapes/ by Nolan Carroll neatly explains how the “concave hull” algorithm in many #GIS libraries and packages works. #gischat

An abstract diagram of numbered points, connected by dotted lines, with a non-convex shape picked out from the dots in lilac.

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Matt Duckham @duckham.org · 19/11/2024

I’m on a mission to find Melbourne’s best wheelchair-accessible Indian restaurant (suggestions welcome!). MMS Mirchi Madras Streat in Docklands an excellent first entry. Reasonably accessible (although no accessible wc 🦼🦼🦼); reasonably hot (🌶️🌶️🌶️); extremely tasty (⭐️⭐️⭐️⭐️)! Definitely in the running.

Indian meal on a wooden table, steaming in the sunlight

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Matt Duckham @duckham.org · 19/11/2024

Having lots of fun today coming to the end of a two day #OGC code sprint in my lab. Semantic data enrichment, GraphDB, RML, all coming together! #GISChat

Laptop at a shared desk, with 6 other laptops around it with team working on shared problem

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Matt Duckham @duckham.org · 18/11/2024

I made financiers for the department meeting this morning. Are you coming too @asharao.bsky.social?

Golden brown financiers stacked on a beige kitchen worktop.

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Matt Duckham @duckham.org · 15/11/2024

Anyone recommend a reliable online tailor for men’s custom work shirts? Being in a wheelchair all day, and with one hand for buttons, I get my work shirts tailor-adapted. A dozen emails and $400 later with Hockerty (who *promised* they could do it …) my shirts arrived yesterday unmodified 🤬

Shirt front with dressmakers pin and hand preparing for alteration

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