Triple
T5676919
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | E231 series EMU |
E125107
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object | Sōbu Rapid Line |
E195954
|
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: Sōbu Rapid Line | Statement: [E231 series EMU, usedOnLine, Sōbu Rapid Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sōbu Rapid Line Context triple: [E231 series EMU, usedOnLine, Sōbu Rapid Line]
-
A.
Sōbu Line Rapid
chosen
The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.
-
B.
Yurikamome Line
The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
-
C.
Mita Line
The Mita Line is a major Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through central Tokyo and connecting key residential and business districts.
-
D.
Tozai Line
The Tozai Line is a major Tokyo Metro subway line that runs east–west across Tokyo, connecting central business districts with suburban residential areas.
-
E.
Minatomirai Line
The Minatomirai Line is a private railway line in Yokohama, Japan, connecting central Yokohama with the Minato Mirai 21 waterfront district and offering through services with multiple Tokyo subway and suburban lines.
- 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_69c008295c808190acfe78915e7d656a |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02392f9f481908f7b80873589eff1 |
completed | March 22, 2026, 5:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c94daace8081908b07274ab876faea |
completed | March 29, 2026, 4:04 p.m. |
Created at: March 22, 2026, 3:43 p.m.