By Manripungchwi Jung Yeon-taeOctober 9, 2026, marks the 580th anniversary of Hangeul Day, a national holiday celebrating the creation and promulgation of Korea’s unique writing system. This year carries special historical significance. It marks 580 years since King Sejong promulgated Hunminjeongeum, the original name of Hangeul, in 1446. It also marks exactly 100 years since our ancestors established the first celebration of Hangeul Day, originally called Gagyanal, in 1926 during the Japanese c

Series OverviewPart 1 | Why Does AI Get Things Wrong So Convincingly?Part 2 | Why the OXMV Loop and Evidence Ledger Are NecessaryPart 3 | Mapping Knowledge for AI with OntologyPart 4 | OpenAI to End ChatGPT’s Custom GPT Era on December 11, 2026Part 5 | Taking Aim at ChatGPT’s Chronic “Hallucination” ProblemPart 6 | Can AI Detect Financial Cyberattacks Before They Escalate?Part 7 | GPT-6.1 Sol: From Conversational AI to a Work Platform By Manripungchwi Jung Yeon-taeChatGPT is changing again. This

Series OverviewEpisode 1 | Why the World Took Notice of Korea's SeowonEpisode 2 | An Hyang and Sosu Seowon — The Beginning of Korean EducationEpisode 3 | Yi Hwang and Dosan Seowon — How Learning Shapes CharacterEpisode 4 | Ryu Seong-ryong and Byeongsan Seowon — Leadership That Protected a NationEpisode 5 | Yi Eon-jeok and Oksan Seowon — Philosophy Perfected in NatureEpisode 6 | Kim Goeng-pil and Dodong Seowon — The Roots of Moral ScholarshipEpisode 7 | Jeong Yeo-chang and Namgye Seowon — The

Series OverviewPart 1 | Why Does AI Get Things Wrong So Convincingly?Part 2 | Why the OXMV Loop and Evidence Ledger Are NecessaryPart 3 | Mapping Knowledge for AI with OntologyPart 4 | OpenAI to End ChatGPT’s Custom GPT Era on December 11, 2026Part 5 | Taking Aim at ChatGPT’s Chronic “Hallucination” ProblemPart 6 | Can AI Detect Financial Cyberattacks Before They Escalate? By Manripungchwi Jung Yeon-taeA series of hacking and information-leak incidents across South Korea’s financial sector has p

By Manripungchwi Jung Yeon-taeFollowing a series of cyber intrusions and data exposure incidents across banks, savings banks, and capital companies, financial authorities have launched an emergency sector-wide review. One of the most important characteristics of the recent incidents is that attacker

Series OverviewPart 1 | Why Does AI Get Things Wrong So Convincingly?Part 2 | Why the OXMV Loop and Evidence Ledger Are NecessaryPart 3 | Mapping Knowledge for AI with OntologyPart 4 | OpenAI to End ChatGPT’s Custom GPT Era on December 11, 2026Part 5 | Taking Aim at ChatGPT’s Chronic “Hallucination” Problem By Manripungchwi Jung Yeon-taeGenerative artificial intelligence may be entering a new phase of competition. Until now, much of the race in AI has focused on which systems can generate more f

Series OverviewPart 1 | Why Does AI Get Things Wrong So Convincingly?Part 2 | Why the OXMV Loop and Evidence Ledger Are NecessaryPart 3 | Mapping Knowledge for AI with OntologyPart 4 | OpenAI to End ChatGPT’s Custom GPT Era on December 11, 2026 By Manripungchwi Jung Yeon-tae On September 11, 2026, O

Series OverviewEpisode 1 | Why the World Took Notice of Korea's SeowonEpisode 2 | An Hyang and Sosu Seowon — The Beginning of Korean EducationEpisode 3 | Yi Hwang and Dosan Seowon — How Learning Shapes CharacterEpisode 4 | Ryu Seong-ryong and Byeongsan Seowon — Leadership That Protected a NationEpisode 5 | Yi Eon-jeok and Oksan Seowon — Philosophy Perfected in NatureEpisode 6 | Kim Goeng-pil and Dodong Seowon — The Roots of Moral ScholarshipEpisode 7 | Jeong Yeo-chang and Namgye Seowon — The

Series OverviewPart 1 | Why Does AI Get Things Wrong So Convincingly?Part 2 | Why the OXMV Loop and Evidence Ledger Are NecessaryPart 3 | Mapping Knowledge for AI with Ontology By Manripungchwi Jung Yeon-taeMore Knowledge Does Not Necessarily Mean Better UnderstandingImagine a library containing mil

Series OverviewEpisode 1 | Why the World Took Notice of Korea's SeowonEpisode 2 | An Hyang and Sosu Seowon — The Beginning of Korean EducationEpisode 3 | Yi Hwang and Dosan Seowon — How Learning Shapes CharacterEpisode 4 | Ryu Seong-ryong and Byeongsan Seowon — Leadership That Protected a Nation

Series OverviewPart 1 | Why Does AI Get Things Wrong So Convincingly?Part 2 | Why the OXMV Loop and Evidence Ledger Are Necessary By Manripungchwi Jung Yeon-taeThe OXMV Loop: A Structure for Re-examining an AnswerWhile developing professional knowledge GPTs, my deepest concern was not simply how to

Series OverviewPart 1 | Why Does AI Get Things Wrong So Convincingly? By Manripungchwi Jung Yeon-taeStarting the SeriesAs generative AI moves deeper into professional knowledge and human decision-making, accuracy and verifiability have become central challenges in its use. This series examines the v

Series OverviewEpisode 1 | Why the World Took Notice of Korea's SeowonEpisode 2 | An Hyang and Sosu Seowon — The Beginning of Korean EducationEpisode 3 | Yi Hwang and Dosan Seowon — How Learning Shapes CharacterEpisode 4 | Ryu Seong-ryong and Byeongsan Seowon — Leadership That Protected a Nation

By Jeong Yeon-taeAs generative AI becomes more powerful, one problem is becoming increasingly important: hallucination. Large language models can sometimes generate facts, sources, numbers or reasoning that appear plausible but are not actually supported. Most attempts to address this problem focus,

By Jung Yeon-Tae (Manri Pungchwi)President, Korea Information Service of the Construction IndustryA familiar part of ChatGPT that I had used for years began to change a few days ago. Whenever I became interested in a new field—history, space, travel, finance, construction, philosophy or artificial i

Series OverviewEpisode 1 | Why the World Took Notice of Korea's SeowonEpisode 2 | An Hyang and Sosu Seowon — The Beginning of Korean EducationEpisode 3 | Yi Hwang and Dosan Seowon — How Learning Shapes CharacterEpisode 4 | Ryu Seong-ryong and Byeongsan Seowon — Leadership That Protected a Nation

Series OverviewThis is more than a journey through Korea's nine UNESCO-listed Seowon. It is an exploration of more than 700 years of the Seonbi tradition—Korea's Confucian scholar-gentlemen who pursued learning, moral integrity, and public responsibility—and the educational philosophy that s

Series OverviewThis is more than a journey through Korea's nine UNESCO-listed Seowon. It is an exploration of more than 700 years of the Seonbi tradition—Korea's Confucian scholar-gentlemen who pursued learning, moral integrity, and public responsibility—and the educational philosophy that s

Launching the SeriesIn 2019, UNESCO inscribed nine of Korea's Seowon—Neo-Confucian academies of the Joseon Dynasty—on the World Heritage List. Yet what the world recognized was not simply a collection of centuries-old buildings.UNESCO acknowledged the enduring values embodied by the Seowon: scho

The Journey So Far1. Why Now, K-Culture?2. The DNA of Tradition: The Roots of K-Culture3. From Hanbok to High Fashion4. Hangul: The Most Scientific Cultural Platform5. Korean Cuisine: The Science of Fermentation and the Culture of Healing6. K-Pop and the Continuity of Traditional Rhythm7. K-Drama an