Triple
T20104271
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 墨田区 |
E181379
|
entity |
| Predicate | hasRailwayOperator |
P20222
|
FINISHED |
| Object | 都営地下鉄 |
—
|
NE NERFINISHED |
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: 都営地下鉄 | Statement: [墨田区, hasRailwayOperator, 都営地下鉄]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 都営地下鉄 Context triple: [墨田区, hasRailwayOperator, 都営地下鉄]
-
A.
都営地下鉄大江戸線
都営地下鉄大江戸線は、東京都交通局が運行する東京都内を環状・放射状に結ぶ地下鉄路線です。
-
B.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
-
C.
Tobu Railway
Tobu Railway is a major private railway company in Japan that operates extensive rail networks in the Greater Tokyo area and surrounding regions.
-
D.
Toei Subway
chosen
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
-
E.
Yokohama Municipal Subway
Yokohama Municipal Subway is an urban rapid transit system in Yokohama, Japan, operating multiple underground lines that connect key districts and suburbs across the city.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69da62636cc08190982cc71733a17b8d |
completed | April 11, 2026, 3:01 p.m. |
| NER | Named-entity recognition | batch_69e666daf73c819089f02ca6faa2c283 |
completed | April 20, 2026, 5:48 p.m. |
Created at: April 11, 2026, 11:27 p.m.