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Kazunari Sugiyama
Author

Kazunari Sugiyama

Kyoto University — Academic Center for Computing and Media Studies · Japan

13 posts

Kazunari has published extensively on scholarly paper recommendation — long before retrieval-augmented generation made the field fashionable. He brings a skeptical, measurement-first lens to the current wave of AI-powered discovery tools.

Kazunari opens the Tech Stage with a live comparison of four retrieval-augmented scholarly assistants on the same five research questions. His methodology is unsentimental, his results occasionally surprising, and his refusal to trust vendor benchmarks refreshing.

From this author

Articles

Metadata in Digital Libraries and Why It Matters
Technology
Aug 25, 2026

Metadata in Digital Libraries and Why It Matters

Metadata is data about data — the descriptive information that tells you what something is, who made it, when, and what it's about, so that it can be found, or…

By Kazunari Sugiyama Read →
Open Access Research and Why Free Academic Knowledge Matters
Technology
Aug 21, 2026

Open Access Research and Why Free Academic Knowledge Matters

Open access means making research — especially scholarly articles and academic knowledge — freely available online for anyone to read, without paywalls or subs…

By Kazunari Sugiyama Read →
Retrieval-Augmented Generation and What It Means for Libraries
AI technology
Aug 13, 2026

Retrieval-Augmented Generation and What It Means for Libraries

The single most discussed weakness of large language models is that they invent things — stating falsehoods with the same confidence as facts, fabricating cita…

By Kazunari Sugiyama Read →
Digital Preservation and the Long Fight Against Bit Rot
Web Innovations
Jul 28, 2026

Digital Preservation and the Long Fight Against Bit Rot

There is a comforting assumption buried in how we treat digital information: that once something is saved, it is safe. A file copied to a drive, a document upl…

By Kazunari Sugiyama Read →
How On-Device AI Is Quietly Reinventing Your Gadgets in 2026
Technology
Jun 29, 2026

How On-Device AI Is Quietly Reinventing Your Gadgets in 2026

For the past few years, artificial intelligence has lived mostly in the cloud. You typed a question, it traveled to a distant data center, and an answer came b…

By Kazunari Sugiyama Read →
How On-Device AI Is Quietly Reinventing Your Gadgets in 2026
AI technology
Jun 29, 2026

How On-Device AI Is Quietly Reinventing Your Gadgets in 2026

For the past few years, artificial intelligence has lived mostly in the cloud. You typed a question, it traveled to a distant data center, and an answer came b…

By Kazunari Sugiyama Read →
Bit Rot: The Quiet Catastrophe Threatening Everything We've Digitised
Technology
Jun 12, 2026

Bit Rot: The Quiet Catastrophe Threatening Everything We've Digitised

There is a comforting assumption underneath the whole project of digitisation: that once we convert something into bits, we have saved it for good. Paper burns…

By Kazunari Sugiyama Read →
Technology
May 21, 2026

The Cataloguer's Problem Is Not Going Away — It Is Going Deeper

There is a conversation happening in digital library circles that frequently gets framed as a question about tools: should we use large language models to auto…

By Kazunari Sugiyama Read →
Shadow Libraries, AI Training Data, and the Copyright Problem Digital Libraries Cannot Avoid
Web Innovations
May 18, 2026

Shadow Libraries, AI Training Data, and the Copyright Problem Digital Libraries Cannot Avoid

The problem the field was handed without being asked In 2023 and 2024, a sequence of disclosures, lawsuits, and investigative reports established what many in…

By Kazunari Sugiyama Read →
The Persistent Identifier Problem Is Not Solved and COMET Is Trying to Explain Why
Technology
May 6, 2026

The Persistent Identifier Problem Is Not Solved and COMET Is Trying to Explain Why

A persistent identifier is, at its most basic, a promise. It is a string of characters assigned to a digital object with the institutional commitment that the…

By Kazunari Sugiyama Read →
RAG Is Not a Cure — What Retrieval-Augmented Generation Actually Fixes in Biomedical Libraries
AI technology
May 5, 2026

RAG Is Not a Cure — What Retrieval-Augmented Generation Actually Fixes in Biomedical Libraries

Retrieval-Augmented Generation has become the consensus answer to the question that biomedical information professionals and clinical AI developers have been a…

By Kazunari Sugiyama Read →
What Born-Digital Archives Are Losing Before Anyone Notices
Technology
May 4, 2026

What Born-Digital Archives Are Losing Before Anyone Notices

There is a category of loss that archivists have spent two decades naming and still have not solved: the loss that accumulates not through flood, fire, or inst…

By Kazunari Sugiyama Read →
When Behaviour Replaces Identity in Online Gambling Systems
Technology
Apr 27, 2026

When Behaviour Replaces Identity in Online Gambling Systems

KYC was never meant to define the full architecture of player experience. It entered the system as a regulatory necessity — a checkpoint designed to confirm id…

By Kazunari Sugiyama Read →