Triple
T20260582
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sendai Station |
E498821
|
entity |
| Predicate | isStopOn |
P9950
|
FINISHED |
| Object | Sendai Airport Access Line |
—
|
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: Sendai Airport Access Line | Statement: [Sendai Station, isStopOn, Sendai Airport Access Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sendai Airport Access Line Context triple: [Sendai Station, isStopOn, Sendai Airport Access Line]
-
A.
Sendai Airport Line
chosen
The Sendai Airport Line is a railway line in Miyagi Prefecture, Japan, that connects Sendai Airport with central Sendai and the broader regional rail network.
-
B.
Sendai Airport Transit
Sendai Airport Transit is a Japanese railway company that operates the rail link connecting Sendai Airport with the surrounding region.
-
C.
Sendai International Airport Co., Ltd.
Sendai International Airport Co., Ltd. is the company responsible for managing and operating Sendai’s main international airport in Miyagi Prefecture, Japan.
-
D.
Sendai City Transportation Bureau
The Sendai City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including the subway system, in Sendai, Japan.
-
E.
Sendai Airport
Sendai Airport is a regional international airport in Miyagi Prefecture, Japan, providing domestic and limited international air services to the Sendai metropolitan area.
- 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_69da6275fa6c8190952924930adee150 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e674c90d00819082f68822635ee86a |
completed | April 20, 2026, 6:47 p.m. |
Created at: April 11, 2026, 11:41 p.m.