Triple
T10945556
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Namboku Line |
E258586
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Shirokane-takanawa Station
Shirokane-takanawa Station is a subway station in Minato, Tokyo, jointly operated by Tokyo Metro and Toei Subway, serving as an interchange between the Namboku and Mita lines.
|
E1182439
|
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: Shirokane-takanawa Station | Statement: [Tokyo Metro Namboku Line, hasStation, Shirokane-takanawa Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shirokane-takanawa Station Context triple: [Tokyo Metro Namboku Line, hasStation, Shirokane-takanawa Station]
-
A.
Shinjuku-sanchome Station
Shinjuku-sanchome Station is a major underground railway station in Tokyo’s Shinjuku district that serves multiple Tokyo Metro lines and provides convenient access to shopping, entertainment, and business areas.
-
B.
Nakameguro Station
Nakameguro Station is a major railway station in Tokyo’s Meguro ward that serves as an important transit hub and gateway to the trendy Nakameguro neighborhood.
-
C.
Nagatachō Station
Nagatachō Station is a major Tokyo Metro subway station in central Tokyo that serves the government district near the National Diet and numerous ministry buildings.
-
D.
Itabashi Station
Itabashi Station is a railway station in Tokyo, Japan, known as a stop on major commuter lines connecting central Tokyo with its northern suburbs.
-
E.
Shin-Itabashi Station
Shin-Itabashi Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuter traffic on the Toei Mita Line.
- 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: Shirokane-takanawa Station Triple: [Tokyo Metro Namboku Line, hasStation, Shirokane-takanawa Station]
Generated description
Shirokane-takanawa Station is a subway station in Minato, Tokyo, jointly operated by Tokyo Metro and Toei Subway, serving as an interchange between the Namboku and Mita lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Shirokane-takanawa Station Target entity description: Shirokane-takanawa Station is a subway station in Minato, Tokyo, jointly operated by Tokyo Metro and Toei Subway, serving as an interchange between the Namboku and Mita lines.
-
A.
Shinjuku-sanchome Station
Shinjuku-sanchome Station is a major underground railway station in Tokyo’s Shinjuku district that serves multiple Tokyo Metro lines and provides convenient access to shopping, entertainment, and business areas.
-
B.
Nakameguro Station
Nakameguro Station is a major railway station in Tokyo’s Meguro ward that serves as an important transit hub and gateway to the trendy Nakameguro neighborhood.
-
C.
Nagatachō Station
Nagatachō Station is a major Tokyo Metro subway station in central Tokyo that serves the government district near the National Diet and numerous ministry buildings.
-
D.
Itabashi Station
Itabashi Station is a railway station in Tokyo, Japan, known as a stop on major commuter lines connecting central Tokyo with its northern suburbs.
-
E.
Shin-Itabashi Station
Shin-Itabashi Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuter traffic on the Toei Mita Line.
- 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_69ffb02b55f4819098f2b18fcf17ef0e |
completed | May 9, 2026, 10:07 p.m. |
| NEDg | Description generation | batch_69ffb0ae72e48190a3c799a7f242c94c |
completed | May 9, 2026, 10:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffb0e11fc481908a2609979dea4d59 |
completed | May 9, 2026, 10:10 p.m. |
Created at: April 8, 2026, 9:23 p.m.