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Sadamori Kojaku @skojaku.bsky.social · 2d

Deep dive into AI podcast

Reposted by Sadamori Kojaku

COMPLEX NETWORKS 2025 @cna25.bsky.social · 4d

Was your work accepted to #ComplexNetworks2025? It's time to register! Don't wait any longer and take advantage of our early bird discount.🐣

🚨This offer is only available until October 17th.🚨

#ComplexSystems #NetworkScience

Register here:
👉 www.billetweb.fr/complex-netw...

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Reposted by Sadamori Kojaku

Adrian Currie @adrian-currie.bsky.social · 2d

If you’re interested in practicing the philosophy of science in practice why not come along to an online workshop “the philosophy of science in practice - in practice”? #philsci

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Sadamori Kojaku @skojaku.bsky.social · 4d

Looking forward to watching it! The limitation is known in graph ML 1, w/ some remedies (e.g., BUDDY). I wonder if the SOTA is still falling behind the traditional ones. (we found it was behind [2] but curious why)

1. proceedings.neurips.cc/paper/2018/h...

2. openreview.net/forum?id=K9z...

Link Prediction Based on Graph Neural Networks

proceedings.neurips.cc

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Reposted by Sadamori Kojaku

Aaron Clauset @aaronclauset.bsky.social · 4d

This was a fun talk to give. Our new results show that "Meta-learning optimizes predictions of missing links in real-world networks" (arxiv.org/abs/2508.09069). tl;dr: graph neural networks are a limited tool for predicting missing links in most networks
www.youtube.com/watch?v=dRYz...

GraphGeeks Talk: Meta-Learner That Finds the Best Link Prediction Model

YouTube video by GraphGeeks

www.youtube.com

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Reposted by Sadamori Kojaku

NetScience @netscience.bsky.social · 9d

Network Science, and three of its avengers, featured in the latest @veritasium.bsky.social video (one of the largest youtube channels for Science education)!! youtu.be/CYlon2tvywA?... @stevenstrogatz.com Duncan Watts @barabasi.bsky.social

Something Strange Happens When You Trace How Connected We Are

YouTube video by Veritasium

youtu.be

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Reposted by Sadamori Kojaku

Hiroki Sayama @hirokisayama.bsky.social · 7d

Come to SUNY and be part of the growing Northeast US complexity community!

Professor and Chair, Department of AI and Society, University at Buffalo
www.ubjobs.buffalo.edu/postings/58816

Professor, Department Chair of AI and Society

The Department of AI and Society at the University at Buffalo, invites applications from outstanding scholars with excellent leadership abilities for the position of Department Chair. The Department o...

www.ubjobs.buffalo.edu

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Sadamori Kojaku @skojaku.bsky.social · 8d

One of the time-consuming tasks in paper writing is to curate bibtex for references. So I automated bibtex curation with an Alfred app that fetches entries from dx.doi.org using DOI or title. It saves time, reduces errors, and maintains consistent LaTeX keys. github.com/skojaku/tobi...

GitHub - skojaku/tobibtex

Contribute to skojaku/tobibtex development by creating an account on GitHub.

github.com

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Sadamori Kojaku @skojaku.bsky.social · 9d

My notes in obsidian are so disorganized (and yes this reflects what’s in my brain 😅). There are many pieces I thought important but misplaced/not synthesized. Wonder a better more systematic way to organize notes.

Reposted by Sadamori Kojaku

ANETI Lab @anetilab.bsky.social · 9d

New paper by A. Varga + coauthors @skojaku.bsky.social & @filipisilva.bsky.social introduces a family of paper & author similarity measures based on the idea that papers are more similar if they're more likely to be retrieved during lit search via backward & forward citations
doi.org/10.1162/qss....

Measuring research interest similarity with transition probabilities

Abstract. We introduce a family of paper and author similarity measures based on the concept that papers are more similar if they are more likely to be retrieved during a literature search following b...

doi.org

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Sadamori Kojaku @skojaku.bsky.social · 16d

I really like the idea that we learn something by contrasting expectations and observations. When the observations do not fit, we seek for alternative explanations, advancing science.
So I'm encouraged to see the apparently "failed" results in front of me now. Could be a seed of great discovery!

1 | Ellen Rothenberg: inhabiting the data

open.spotify.com

Sadamori Kojaku @skojaku.bsky.social · 16d

Honored to be invited as a keynote speaker at Complenet'26! Looking forward to sharing insights on network science and representation learning!

𝙲𝚘𝚖𝚙𝚕𝚎𝙽𝚎𝚝 𝟸𝟶𝟸𝟼 @complenet.bsky.social · 17d

📢 Keynotes unlocked: 3/12. Thrilled to have Sadamori Kojaku @skojaku.bsky.social as a keynote speaker in Complenet’26! Join us to learn more about #networks and #neuralembeddings!

🌐 Info & registration: complenet.weeblysite.com
🚨 Call for contributions open – submit by Nov 15, 2025!

Reposted by Sadamori Kojaku

Laurent Hébert-Dufresne @lhd.bsky.social · 22d

Our Physical Review Letter looks at how to get power-law distributions of cascade size without tuning or self-organization to criticality by allowing cascades to improve in quality and jump over gaps or dead-ends

TL;DR complex-stories.uvm.edu/friends-funn...

Paper: journals.aps.org/prl/abstract...

complex-stories.uvm.edu

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Sadamori Kojaku @skojaku.bsky.social · 22d

Yes. The diff of idea is more like a mental model of the KL divergence at the idea level. In the language of KL divergence, I often don’t have accurate reference probability q (prior works) to gauge the difference (a part of novelty) from the focal probability (the subject of a paper).

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Sadamori Kojaku @skojaku.bsky.social · 23d

A phrase that occurred to me today, the "diff" of an idea. A diff of an idea is a statement about the difference from the prevailing ideas. I feel some non-negligible number of papers well cover many papers but miss the "diff", and this obscures the novelty.

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Reposted by Sadamori Kojaku

Minsuk Kim @danielhankim.bsky.social · Aug 29

Q: How are resources consumed in transportation networks, and how does this shape the overall functioning of the system?

We introduce the minimum-cost percolation framework and apply it to the U.S. air transportation system using publicly available data.

🔗 www.nature.com/articles/s41...

Modeling resource consumption in the US air transportation system via minimum-cost percolation - Nature Communications

Percolation frameworks have been used to characterize the robustness of infrastructural networks. Here, authors introduce a percolation-based framework to study resource consumption and network effect...

www.nature.com

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Sadamori Kojaku @skojaku.bsky.social · Aug 14

good point! Another LLM validates the questions on prompt injection and content match, but not the clarity and specificity. I'll add that check. Thanks for the feedback!

My initial test on a vague question finds that LLM wins, likely because many possible answers. github.com/skojaku/llm-...

github.com

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Sadamori Kojaku @skojaku.bsky.social · Aug 14

Creating questions at a right level of challenge helps me learn nuances and go beyond surface-level understanding. But why not let students to do that?

I created a pedagogical tool that lets students to create challenging questions that stump LLMs.

Repo 👉: github.com/skojaku/llm-...

GitHub - skojaku/llm-quiz

Contribute to skojaku/llm-quiz development by creating an account on GitHub.

github.com

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Reposted by Sadamori Kojaku

Nicholas Landry @nwlandry.bsky.social · Aug 4

🚨🚨 Correction posted 🚨🚨 "The simpliciality of higher-order networks" in collaboration with @jgyou.bsky.social and @eikmeier.bsky.social is now posted! This was an intimate look into the strengths and weaknesses of the correction process. A short 🧵 epjdatascience.springeropen.com/articles/10....

The simpliciality of higher-order networks - EPJ Data Science

Higher-order networks are widely used to describe complex systems in which interactions can involve more than two entities at once. In this paper, we focus on inclusion within higher-order networks, r...

epjdatascience.springeropen.com

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Reposted by Sadamori Kojaku

Fil Menczer @fil.bsky.social · Aug 5

You can now donate to support OSoMe!!
osome.iu.edu/about/donate

Donate

Your donation empowers the Observatory on Social Media to advance research, education, and open-source tools that illuminate social media dynamics for the...

osome.iu.edu

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Reposted by Sadamori Kojaku

COMPLEX NETWORKS 2025 @cna25.bsky.social · Jul 27

Yian Yin develops novel computational tools to understand how individual, social, and environmental processes independently and jointly promote (or inhibit) scientific progress and innovation achievements, from artistic productions to public policy. #ComplexNetworks2025

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Reposted by Sadamori Kojaku

COMPLEX NETWORKS 2025 @cna25.bsky.social · Jul 26

Brennan Klein is interested in developing tools and theory for characterizing dynamics, structure, and scale in networks, but also in creating and analyzing large-scale datasets that reveal inequalities in the U.S., from epidemics to mass incarceration. #ComplexNetworks2025

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Sadamori Kojaku @skojaku.bsky.social · Aug 6

gpt-oss is very very good. Too good to believe that this is an open model only having 20B parameters.... Tested on math, coding, and natural conversations.

Sadamori Kojaku @skojaku.bsky.social · Jul 19

Transformers are graph neural networks applied to fully-connected token graphs. Interesting perspective though it is natural as the graph attention networks adopt transformer architecture.

Transformers are Graph Neural Networks

We establish connections between the Transformer architecture, originally introduced for natural language processing, and Graph Neural Networks (GNNs) for representation learning on graphs. We show ho...

arxiv.org

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Sadamori Kojaku @skojaku.bsky.social · Jul 19

Separate the effect of geography from mobility choices by comparing observed against random mobility choices to a location in a space irrespective of distance, revealing the effect of the shapes of landmass, location distributions, and geometry of space.

Decoupling geographical constraints from human mobility

Driven by access to large volumes of movement data, the study of human mobility has grown rapidly over the past decades. The field has shown that human mobility is scale-free, proposed models to gener...

arxiv.org

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