Triple
T1221804
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyu Toyoko Line |
E26237
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Jiyugaoka Station
Jiyugaoka Station is a major railway station in Tokyo’s Meguro Ward known for serving as a key hub on multiple Tokyu lines and providing access to the fashionable Jiyugaoka shopping and café district.
|
E412667
|
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: Jiyugaoka Station | Statement: [Tokyu Toyoko Line, hasStation, Jiyugaoka Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jiyugaoka Station Context triple: [Tokyu Toyoko Line, hasStation, Jiyugaoka Station]
-
A.
Komagome Station
Komagome Station is a railway station in Tokyo, Japan, served by JR East and the Tokyo Metro, providing access to the residential and commercial areas of the Komagome district.
-
B.
Omotesando Station
Omotesando Station is a major Tokyo subway hub in the fashionable Omotesandō district, serving multiple lines and providing access to upscale shopping and cultural attractions.
-
C.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
D.
Ueno Station
Ueno Station is a major railway and subway hub in Tokyo, Japan, serving as a key gateway to the city’s northeastern regions and nearby cultural attractions like Ueno Park and its museums.
-
E.
Shin-Okubo Station
Shin-Okubo Station is a busy railway station in Tokyo’s Shinjuku ward, known for serving the city’s Koreatown area and providing convenient access to central Tokyo.
- 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: Jiyugaoka Station Triple: [Tokyu Toyoko Line, hasStation, Jiyugaoka Station]
Generated description
Jiyugaoka Station is a major railway station in Tokyo’s Meguro Ward known for serving as a key hub on multiple Tokyu lines and providing access to the fashionable Jiyugaoka shopping and café district.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Jiyugaoka Station Target entity description: Jiyugaoka Station is a major railway station in Tokyo’s Meguro Ward known for serving as a key hub on multiple Tokyu lines and providing access to the fashionable Jiyugaoka shopping and café district.
-
A.
Komagome Station
Komagome Station is a railway station in Tokyo, Japan, served by JR East and the Tokyo Metro, providing access to the residential and commercial areas of the Komagome district.
-
B.
Omotesando Station
Omotesando Station is a major Tokyo subway hub in the fashionable Omotesandō district, serving multiple lines and providing access to upscale shopping and cultural attractions.
-
C.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
D.
Ueno Station
Ueno Station is a major railway and subway hub in Tokyo, Japan, serving as a key gateway to the city’s northeastern regions and nearby cultural attractions like Ueno Park and its museums.
-
E.
Shin-Okubo Station
Shin-Okubo Station is a busy railway station in Tokyo’s Shinjuku ward, known for serving the city’s Koreatown area and providing convenient access to central Tokyo.
- 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_69b56b1a598c8190822f1d0cdd98fdbc |
completed | March 14, 2026, 2:05 p.m. |
| NEDg | Description generation | batch_69b56bfa5a048190a2001d97d1664250 |
completed | March 14, 2026, 2:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b56c7d7dac8190a9eced9fe7c4499a |
completed | March 14, 2026, 2:11 p.m. |
Created at: March 1, 2026, 7:47 p.m.