Triple
T15855665
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seibu Shinjuku Line |
E384447
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object |
Tokyo Metro Tozai Line at Takadanobaba Station
Tokyo Metro Tozai Line at Takadanobaba Station is a key Tokyo subway line stop that serves as an important transfer point between the Tokyo Metro network and the Seibu Shinjuku Line in the Shinjuku area.
|
E1179532
|
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: Tokyo Metro Tozai Line at Takadanobaba Station | Statement: [Seibu Shinjuku Line, connectsWith, Tokyo Metro Tozai Line at Takadanobaba Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Tozai Line at Takadanobaba Station Context triple: [Seibu Shinjuku Line, connectsWith, Tokyo Metro Tozai Line at Takadanobaba Station]
-
A.
Tokyo Metro Ginza Line at Kanda Station
Tokyo Metro Ginza Line at Kanda Station is the Ginza Line subway stop in Tokyo’s Kanda district, providing underground metro service and transfers to JR railway lines.
-
B.
Tokyo Metro Hanzomon Line at Kudanshita Station
Tokyo Metro Hanzomon Line at Kudanshita Station is an underground Tokyo Metro subway line stop in central Tokyo that serves as a key transfer point and access route to nearby areas such as the Imperial Palace and Yasukuni Shrine.
-
C.
Tokyo Metro Tozai Line at Otemachi
Tokyo Metro Tozai Line at Otemachi is a major Tokyo subway line stop located in the Otemachi business district, serving as a key transfer point within the city’s extensive metro network.
-
D.
Tokyo Metro Tozai Line at Kudanshita
Tokyo Metro Tozai Line at Kudanshita is a subway station stop on Tokyo’s busy east–west Tozai Line, serving the Kudanshita area near central government offices, universities, and the Nippon Budokan.
-
E.
Tokyo Metro Hibiya Line at Roppongi Station
Tokyo Metro Hibiya Line at Roppongi Station is a major Tokyo subway line stop in the Roppongi district that serves as an important transfer point and access hub for the area’s nightlife, business, and cultural attractions.
- 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: Tokyo Metro Tozai Line at Takadanobaba Station Triple: [Seibu Shinjuku Line, connectsWith, Tokyo Metro Tozai Line at Takadanobaba Station]
Generated description
Tokyo Metro Tozai Line at Takadanobaba Station is a key Tokyo subway line stop that serves as an important transfer point between the Tokyo Metro network and the Seibu Shinjuku Line in the Shinjuku area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Tozai Line at Takadanobaba Station Target entity description: Tokyo Metro Tozai Line at Takadanobaba Station is a key Tokyo subway line stop that serves as an important transfer point between the Tokyo Metro network and the Seibu Shinjuku Line in the Shinjuku area.
-
A.
Tokyo Metro Ginza Line at Kanda Station
Tokyo Metro Ginza Line at Kanda Station is the Ginza Line subway stop in Tokyo’s Kanda district, providing underground metro service and transfers to JR railway lines.
-
B.
Tokyo Metro Hanzomon Line at Kudanshita Station
Tokyo Metro Hanzomon Line at Kudanshita Station is an underground Tokyo Metro subway line stop in central Tokyo that serves as a key transfer point and access route to nearby areas such as the Imperial Palace and Yasukuni Shrine.
-
C.
Tokyo Metro Tozai Line at Otemachi
Tokyo Metro Tozai Line at Otemachi is a major Tokyo subway line stop located in the Otemachi business district, serving as a key transfer point within the city’s extensive metro network.
-
D.
Tokyo Metro Tozai Line at Kudanshita
Tokyo Metro Tozai Line at Kudanshita is a subway station stop on Tokyo’s busy east–west Tozai Line, serving the Kudanshita area near central government offices, universities, and the Nippon Budokan.
-
E.
Tokyo Metro Hibiya Line at Roppongi Station
Tokyo Metro Hibiya Line at Roppongi Station is a major Tokyo subway line stop in the Roppongi district that serves as an important transfer point and access hub for the area’s nightlife, business, and cultural attractions.
- 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_69d86da422088190aac39e32e6c68429 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e14cb08bd081908af2120eb2925441 |
completed | April 16, 2026, 8:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffa14977408190815ef02cc54075cc |
completed | May 9, 2026, 9:04 p.m. |
| NEDg | Description generation | batch_69ffa41a86ec8190b46d541965ecf26e |
completed | May 9, 2026, 9:16 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffa496f3e48190b8dc82bece548aec |
completed | May 9, 2026, 9:18 p.m. |
Created at: April 10, 2026, 4:50 a.m.