Triple
T10945563
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Namboku Line |
E258586
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Iidabashi Station
Iidabashi Station is a major railway and subway hub in central Tokyo, serving multiple lines and providing convenient access to the Kagurazaka and Suidobashi areas.
|
E1192670
|
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: Iidabashi Station | Statement: [Tokyo Metro Namboku Line, hasStation, Iidabashi Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Iidabashi Station Context triple: [Tokyo Metro Namboku Line, hasStation, Iidabashi Station]
-
A.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, Japan.
-
B.
Yodoyabashi Station
Yodoyabashi Station is a major underground railway hub in central Osaka, Japan, serving both Osaka Metro and private railway lines and providing access to the city’s main business district.
-
C.
Suidōbashi Station
Suidōbashi Station is a railway station in Tokyo, Japan, serving both JR East and Toei Subway lines near major attractions such as Tokyo Dome.
-
D.
Asakusabashi Station
Asakusabashi Station is a railway and subway station in Tokyo, Japan, serving the Asakusabashi district with JR East and Toei Asakusa Line services.
-
E.
Marutamachi Station
Marutamachi Station is an underground metro station on the Kyoto Municipal Subway network serving central Kyoto, Japan.
- 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: Iidabashi Station Triple: [Tokyo Metro Namboku Line, hasStation, Iidabashi Station]
Generated description
Iidabashi Station is a major railway and subway hub in central Tokyo, serving multiple lines and providing convenient access to the Kagurazaka and Suidobashi areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Iidabashi Station Target entity description: Iidabashi Station is a major railway and subway hub in central Tokyo, serving multiple lines and providing convenient access to the Kagurazaka and Suidobashi areas.
-
A.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, Japan.
-
B.
Yodoyabashi Station
Yodoyabashi Station is a major underground railway hub in central Osaka, Japan, serving both Osaka Metro and private railway lines and providing access to the city’s main business district.
-
C.
Suidōbashi Station
Suidōbashi Station is a railway station in Tokyo, Japan, serving both JR East and Toei Subway lines near major attractions such as Tokyo Dome.
-
D.
Asakusabashi Station
Asakusabashi Station is a railway and subway station in Tokyo, Japan, serving the Asakusabashi district with JR East and Toei Asakusa Line services.
-
E.
Marutamachi Station
Marutamachi Station is an underground metro station on the Kyoto Municipal Subway network serving central Kyoto, Japan.
- 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_69d6aa8769b4819082bfe5e61b9017f0 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d770e9a89081908979efd1d9e6af66 |
completed | April 9, 2026, 9:27 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffe46175b88190ae687073ddaa3d22 |
completed | May 10, 2026, 1:50 a.m. |
| NEDg | Description generation | batch_69ffe63f757c81908c7dc3c5ae3075c6 |
completed | May 10, 2026, 1:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffe6b3f25481908dd4b6108b5d95c0 |
completed | May 10, 2026, 2 a.m. |
Created at: April 8, 2026, 9:23 p.m.