Triple
T11161496
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Marunouchi Line |
E264046
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Yotsuya Station |
E577227
|
NE FINISHED |
How this triple was built (2 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: Yotsuya Station | Statement: [Tokyo Metro Marunouchi Line, serves, Yotsuya Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yotsuya Station Context triple: [Tokyo Metro Marunouchi Line, serves, Yotsuya Station]
-
A.
Yotsuya Station
chosen
Yotsuya Station is a major railway hub in Tokyo’s Shinjuku and Chiyoda wards, serving multiple JR and Tokyo Metro lines and providing access to nearby government, educational, and historic sites.
-
B.
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.
-
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.
Yotsubashi Station
Yotsubashi Station is an Osaka Metro subway station in Osaka, Japan, serving the Yotsubashi Line near the bustling Shinsaibashi and Namba districts.
-
E.
Shimbashi Station
Shimbashi Station is a major railway hub in Tokyo, Japan, known as one of the city’s oldest stations and an important gateway between central Tokyo and the wider rail network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aa9ccddc8190868998c8b7beb060 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8817a90819087820d5241c58851 |
completed | April 9, 2026, 5:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f68e99c2608190b923ca8a9178fea2 |
completed | May 2, 2026, 11:54 p.m. |
Created at: April 8, 2026, 9:29 p.m.