Triple
T11052817
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Yurakuchō Line |
E261298
|
entity |
| Predicate | connectsStation |
P845
|
FINISHED |
| Object |
Higashi-Ikebukuro Station
Higashi-Ikebukuro Station is a subway station in Toshima, Tokyo, serving the Tokyo Metro network and providing access to the Ikebukuro area and nearby commercial and residential districts.
|
E1224928
|
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-Ikebukuro Station | Statement: [Tokyo Metro Yurakuchō Line, connectsStation, Higashi-Ikebukuro Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Higashi-Ikebukuro Station Context triple: [Tokyo Metro Yurakuchō Line, connectsStation, Higashi-Ikebukuro Station]
-
A.
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.
-
B.
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.
-
C.
Noborito Station
Noborito Station is a railway station in Kawasaki, Kanagawa Prefecture, Japan, serving as an important interchange between the Odakyu Odawara Line and JR East’s Nambu Line.
-
D.
Ikebukuro Station
Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
-
E.
Itabashi-Kuyakushomae Station
Itabashi-Kuyakushomae Station is a railway station in Tokyo, Japan, serving the Itabashi ward and providing local commuter access within the city’s urban rail network.
- 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-Ikebukuro Station Triple: [Tokyo Metro Yurakuchō Line, connectsStation, Higashi-Ikebukuro Station]
Generated description
Higashi-Ikebukuro Station is a subway station in Toshima, Tokyo, serving the Tokyo Metro network and providing access to the Ikebukuro area and nearby commercial and residential districts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Higashi-Ikebukuro Station Target entity description: Higashi-Ikebukuro Station is a subway station in Toshima, Tokyo, serving the Tokyo Metro network and providing access to the Ikebukuro area and nearby commercial and residential districts.
-
A.
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.
-
B.
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.
-
C.
Noborito Station
Noborito Station is a railway station in Kawasaki, Kanagawa Prefecture, Japan, serving as an important interchange between the Odakyu Odawara Line and JR East’s Nambu Line.
-
D.
Ikebukuro Station
Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
-
E.
Itabashi-Kuyakushomae Station
Itabashi-Kuyakushomae Station is a railway station in Tokyo, Japan, serving the Itabashi ward and providing local commuter access within the city’s urban rail network.
- 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_69d6aa98650481908609c7c56bfa7902 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d7986c0df88190b29d71db5538450a |
completed | April 9, 2026, 12:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a007d960bd08190b8ac366273646865 |
completed | May 10, 2026, 12:44 p.m. |
| NEDg | Description generation | batch_6a007eaca31081909cc81e73af61f2f0 |
completed | May 10, 2026, 12:48 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a007fde282c81909c9e7b210dd6e715 |
completed | May 10, 2026, 12:53 p.m. |
Created at: April 8, 2026, 9:26 p.m.