Triple
T7217891
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Daegu Metro |
E150181
|
entity |
| Predicate | safetyIncident |
P259
|
FINISHED |
| Object |
Daegu subway fire
The Daegu subway fire was a catastrophic arson attack on a South Korean metro train in 2003 that killed nearly 200 people and led to major reforms in urban rail safety.
|
E649957
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Daegu subway fire | Statement: [Daegu Metro, safetyIncident, Daegu subway fire]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Daegu subway fire Context triple: [Daegu Metro, safetyIncident, Daegu subway fire]
-
A.
Amagasaki derailment
The Amagasaki derailment was a deadly 2005 train accident in Hyōgo Prefecture, Japan, in which a commuter train left the tracks and crashed into an apartment building, prompting major scrutiny of railway safety practices.
-
B.
Bombardment of Yeonpyeong
The Bombardment of Yeonpyeong was a 2010 North Korean artillery attack on the South Korean island of Yeonpyeong that marked one of the most serious military clashes between the two Koreas since the Korean War.
-
C.
Jagalchi Station
Jagalchi Station is a subway station in Busan, South Korea, serving the bustling Jagalchi Fish Market area and nearby downtown attractions.
-
D.
Sinking of ROKS Cheonan
The Sinking of ROKS Cheonan was a 2010 incident in which a South Korean naval corvette was destroyed near the disputed maritime border with North Korea, killing 46 sailors and sharply escalating inter-Korean tensions.
-
E.
February 28 Incident
The February 28 Incident was a 1947 anti-government uprising in Taiwan and its brutal suppression by the Kuomintang authorities, marking a pivotal and traumatic event in Taiwanese history.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Daegu subway fire Triple: [Daegu Metro, safetyIncident, Daegu subway fire]
Generated description
The Daegu subway fire was a catastrophic arson attack on a South Korean metro train in 2003 that killed nearly 200 people and led to major reforms in urban rail safety.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Daegu subway fire Target entity description: The Daegu subway fire was a catastrophic arson attack on a South Korean metro train in 2003 that killed nearly 200 people and led to major reforms in urban rail safety.
-
A.
Amagasaki derailment
The Amagasaki derailment was a deadly 2005 train accident in Hyōgo Prefecture, Japan, in which a commuter train left the tracks and crashed into an apartment building, prompting major scrutiny of railway safety practices.
-
B.
Bombardment of Yeonpyeong
The Bombardment of Yeonpyeong was a 2010 North Korean artillery attack on the South Korean island of Yeonpyeong that marked one of the most serious military clashes between the two Koreas since the Korean War.
-
C.
Jagalchi Station
Jagalchi Station is a subway station in Busan, South Korea, serving the bustling Jagalchi Fish Market area and nearby downtown attractions.
-
D.
Sinking of ROKS Cheonan
The Sinking of ROKS Cheonan was a 2010 incident in which a South Korean naval corvette was destroyed near the disputed maritime border with North Korea, killing 46 sailors and sharply escalating inter-Korean tensions.
-
E.
February 28 Incident
The February 28 Incident was a 1947 anti-government uprising in Taiwan and its brutal suppression by the Kuomintang authorities, marking a pivotal and traumatic event in Taiwanese history.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69c687effb44819092b95d07d0368c9f |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6e99170d88190b1aef326a7d81134 |
completed | March 27, 2026, 8:33 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7cbfb46388190992cc98039e71748 |
completed | March 28, 2026, 12:39 p.m. |
| NEDg | Description generation | batch_69c7cce6a290819096ff68333cd3a3cf |
completed | March 28, 2026, 12:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7cd9966e481909eb3c23bb59777d9 |
completed | March 28, 2026, 12:46 p.m. |
Created at: March 27, 2026, 2:53 p.m.