Triple
T11052825
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Yurakuchō Line |
E261298
|
entity |
| Predicate | connectsStation |
P845
|
FINISHED |
| Object |
Yūrakuchō Station
Yūrakuchō Station is a major railway and subway hub in central Tokyo, located near the Ginza district and serving as an important transfer point between multiple urban rail lines.
|
E1256662
|
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: Yūrakuchō Station | Statement: [Tokyo Metro Yurakuchō Line, connectsStation, Yūrakuchō Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yūrakuchō Station Context triple: [Tokyo Metro Yurakuchō Line, connectsStation, Yūrakuchō Station]
-
A.
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
-
B.
Noborito Station
Noborito Station is a railway station in Kawasaki, Kanagawa Prefecture, Japan, serving as an important interchange between the Odakyu Odawara Line and JR East’s Nambu Line.
-
C.
Meiji-jingumae Station
Meiji-jingumae Station is a major Tokyo subway station in the Harajuku/Meiji Shrine area, serving as a key access point to popular shopping and cultural districts.
-
D.
Seishin-Chūō Station
Seishin-Chūō Station is a major terminal and transit hub on Kobe’s subway network located in the Seishin district of Kobe, Japan.
-
E.
Komagome Station
Komagome Station is a railway station in Tokyo, Japan, served by JR East and the Tokyo Metro, providing access to the residential and commercial areas of the Komagome district.
- 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: Yūrakuchō Station Triple: [Tokyo Metro Yurakuchō Line, connectsStation, Yūrakuchō Station]
Generated description
Yūrakuchō Station is a major railway and subway hub in central Tokyo, located near the Ginza district and serving as an important transfer point between multiple urban rail lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Yūrakuchō Station Target entity description: Yūrakuchō Station is a major railway and subway hub in central Tokyo, located near the Ginza district and serving as an important transfer point between multiple urban rail lines.
-
A.
Eifukuchō Station
Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
-
B.
Noborito Station
Noborito Station is a railway station in Kawasaki, Kanagawa Prefecture, Japan, serving as an important interchange between the Odakyu Odawara Line and JR East’s Nambu Line.
-
C.
Meiji-jingumae Station
Meiji-jingumae Station is a major Tokyo subway station in the Harajuku/Meiji Shrine area, serving as a key access point to popular shopping and cultural districts.
-
D.
Seishin-Chūō Station
Seishin-Chūō Station is a major terminal and transit hub on Kobe’s subway network located in the Seishin district of Kobe, Japan.
-
E.
Komagome Station
Komagome Station is a railway station in Tokyo, Japan, served by JR East and the Tokyo Metro, providing access to the residential and commercial areas of the Komagome district.
- 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_69d6aa98650481908609c7c56bfa7902 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d7986c0df88190b29d71db5538450a |
completed | April 9, 2026, 12:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a015fb168548190afb975ef60fa5f3e |
completed | May 11, 2026, 4:48 a.m. |
| NEDg | Description generation | batch_6a0161b31540819098aa6275f96433ad |
completed | May 11, 2026, 4:57 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a016299d9ac8190be74d5db0d28ea36 |
completed | May 11, 2026, 5:01 a.m. |
Created at: April 8, 2026, 9:26 p.m.