Triple
T11286473
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toei Oedo Line |
E267201
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Higashi-Nakano Station
Higashi-Nakano Station is a railway station in Nakano, Tokyo, serving as an interchange between the Toei Ōedo Line and JR East’s Chūō-Sōbu Line.
|
E1334604
|
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: Higashi-Nakano Station | Statement: [Toei Oedo Line, hasStation, Higashi-Nakano Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Higashi-Nakano Station Context triple: [Toei Oedo Line, hasStation, Higashi-Nakano Station]
-
A.
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.
-
B.
Hachiōji Station
Hachiōji Station is a major railway hub in Hachiōji, Tokyo, serving multiple JR East lines and connecting the western suburbs of the Tokyo metropolitan area.
-
C.
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.
-
D.
Meguro Station
Meguro Station is a major railway and subway hub in Tokyo’s Meguro ward, serving multiple JR and Tokyo Metro lines and providing convenient access to central and southwestern Tokyo.
-
E.
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.
- 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: Higashi-Nakano Station Triple: [Toei Oedo Line, hasStation, Higashi-Nakano Station]
Generated description
Higashi-Nakano Station is a railway station in Nakano, Tokyo, serving as an interchange between the Toei Ōedo Line and JR East’s Chūō-Sōbu Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Higashi-Nakano Station Target entity description: Higashi-Nakano Station is a railway station in Nakano, Tokyo, serving as an interchange between the Toei Ōedo Line and JR East’s Chūō-Sōbu Line.
-
A.
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.
-
B.
Hachiōji Station
Hachiōji Station is a major railway hub in Hachiōji, Tokyo, serving multiple JR East lines and connecting the western suburbs of the Tokyo metropolitan area.
-
C.
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.
-
D.
Meguro Station
Meguro Station is a major railway and subway hub in Tokyo’s Meguro ward, serving multiple JR and Tokyo Metro lines and providing convenient access to central and southwestern Tokyo.
-
E.
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.
- 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_69d6aac993a08190a6f36445ebaf9a43 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e986b0f08190a414749eaa7f1a5d |
completed | April 9, 2026, 6:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a050d5b83cc8190ba333d90973335a9 |
completed | May 13, 2026, 11:46 p.m. |
| NEDg | Description generation | batch_6a050efd8fe8819094f7a7a1a5edf4c5 |
completed | May 13, 2026, 11:53 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a050f66fd6c8190a7e5750f214018b4 |
completed | May 13, 2026, 11:55 p.m. |
Created at: April 8, 2026, 9:32 p.m.