Triple
T1221802
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyu Toyoko Line |
E26237
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Daikanyama Station
Daikanyama Station is a railway station in Tokyo’s upscale Daikanyama district, known for serving a fashionable shopping and residential area.
|
E408700
|
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: Daikanyama Station | Statement: [Tokyu Toyoko Line, hasStation, Daikanyama Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Daikanyama Station Context triple: [Tokyu Toyoko Line, hasStation, Daikanyama Station]
-
A.
Takadanobaba Station
Takadanobaba Station is a major railway hub in Tokyo’s Shinjuku ward, serving multiple lines and providing convenient access to nearby universities and commercial areas.
-
B.
Kanda Station
Kanda Station is a major railway station in central Tokyo that serves multiple JR East and Tokyo Metro lines and provides convenient access to the city's business districts.
-
C.
Mitakadai Station
Mitakadai Station is a railway station in Tokyo, Japan, operated by Keio Corporation on its Inokashira Line.
-
D.
Takaido Station
Takaido Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and providing local commuter access within the city.
-
E.
Shindaita Station
Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira 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: Daikanyama Station Triple: [Tokyu Toyoko Line, hasStation, Daikanyama Station]
Generated description
Daikanyama Station is a railway station in Tokyo’s upscale Daikanyama district, known for serving a fashionable shopping and residential area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Daikanyama Station Target entity description: Daikanyama Station is a railway station in Tokyo’s upscale Daikanyama district, known for serving a fashionable shopping and residential area.
-
A.
Takadanobaba Station
Takadanobaba Station is a major railway hub in Tokyo’s Shinjuku ward, serving multiple lines and providing convenient access to nearby universities and commercial areas.
-
B.
Kanda Station
Kanda Station is a major railway station in central Tokyo that serves multiple JR East and Tokyo Metro lines and provides convenient access to the city's business districts.
-
C.
Mitakadai Station
Mitakadai Station is a railway station in Tokyo, Japan, operated by Keio Corporation on its Inokashira Line.
-
D.
Takaido Station
Takaido Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and providing local commuter access within the city.
-
E.
Shindaita Station
Shindaita Station is a railway station in Tokyo, Japan, serving passengers on the Keio Inokashira 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_69a49484688c8190a1bf285eb396a8b6 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4be206c108190bb8a5d44fc516c98 |
completed | March 1, 2026, 10:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b555f76b2c819084b3be0189ac453f |
completed | March 14, 2026, 12:35 p.m. |
| NEDg | Description generation | batch_69b55681b8fc8190a9b2b8895f7a7120 |
completed | March 14, 2026, 12:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b55706a2708190aeb41591b91f0fba |
completed | March 14, 2026, 12:39 p.m. |
Created at: March 1, 2026, 7:47 p.m.