Triple
T15252442
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toei Mita Line |
E364550
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Shirokane-takanawa Station |
—
|
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: Shirokane-takanawa Station | Statement: [Toei Mita Line, hasStation, Shirokane-takanawa Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shirokane-takanawa Station Context triple: [Toei Mita Line, hasStation, Shirokane-takanawa Station]
-
A.
Shirokane-takanawa Station
chosen
Shirokane-takanawa Station is a subway station in Minato, Tokyo, jointly operated by Tokyo Metro and Toei Subway, serving as an interchange between the Namboku and Mita lines.
-
B.
Shinjuku-sanchome Station
Shinjuku-sanchome Station is a major underground railway station in Tokyo’s Shinjuku district that serves multiple Tokyo Metro lines and provides convenient access to shopping, entertainment, and business areas.
-
C.
Higashi-Nakano Station
Higashi-Nakano Station is a railway station in Nakano, Tokyo, serving as an interchange between the Toei Ōedo Line and JR East’s Chūō-Sōbu Line.
-
D.
Nakameguro Station
Nakameguro Station is a major railway station in Tokyo’s Meguro ward that serves as an important transit hub and gateway to the trendy Nakameguro neighborhood.
-
E.
Nagatachō Station
Nagatachō Station is a major Tokyo Metro subway station in central Tokyo that serves the government district near the National Diet and numerous ministry buildings.
- 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_69d85a0dde7481908fc64d1e82d5d20d |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e007f728648190b2c86e4528542b65 |
completed | April 15, 2026, 9:49 p.m. |
Created at: April 10, 2026, 3:13 a.m.