Triple
T10814360
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Railway Museum (Saitama City) |
E255185
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
East Japan Railway Culture Foundation
The East Japan Railway Culture Foundation is a nonprofit organization affiliated with JR East that preserves and promotes Japan’s railway heritage through museums, exhibitions, and cultural programs.
|
E887543
|
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: East Japan Railway Culture Foundation | Statement: [Railway Museum (Saitama City), operatedBy, East Japan Railway Culture Foundation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Japan Railway Culture Foundation Context triple: [Railway Museum (Saitama City), operatedBy, East Japan Railway Culture Foundation]
-
A.
Railway Bureau of Japan
The Railway Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s railway systems and policies.
-
B.
East Japan Railway Company
East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
-
C.
Central Japan Railway Company
Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
-
D.
West Japan Railway Company
West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
-
E.
Road Transport Bureau of Japan
The Road Transport Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s road transport systems and vehicle administration under the Ministry of Land, Infrastructure, Transport and Tourism.
- 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: East Japan Railway Culture Foundation Triple: [Railway Museum (Saitama City), operatedBy, East Japan Railway Culture Foundation]
Generated description
The East Japan Railway Culture Foundation is a nonprofit organization affiliated with JR East that preserves and promotes Japan’s railway heritage through museums, exhibitions, and cultural programs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: East Japan Railway Culture Foundation Target entity description: The East Japan Railway Culture Foundation is a nonprofit organization affiliated with JR East that preserves and promotes Japan’s railway heritage through museums, exhibitions, and cultural programs.
-
A.
Railway Bureau of Japan
The Railway Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s railway systems and policies.
-
B.
East Japan Railway Company
East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
-
C.
Central Japan Railway Company
Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
-
D.
West Japan Railway Company
West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
-
E.
Road Transport Bureau of Japan
The Road Transport Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s road transport systems and vehicle administration under the Ministry of Land, Infrastructure, Transport and Tourism.
- 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_69d6aa8081448190a9324184f2bd1c26 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d733ece4488190b553a66c4b5188bc |
completed | April 9, 2026, 5:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69de8546b41081909e13152c4df2eb1c |
completed | April 14, 2026, 6:19 p.m. |
| NEDg | Description generation | batch_69de8955b9d8819086ff98efbff6c7a0 |
completed | April 14, 2026, 6:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69de8f4a318c819086559fd53506ab29 |
completed | April 14, 2026, 7:02 p.m. |
Created at: April 8, 2026, 9:18 p.m.