Triple
T11684988
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seibu Railway |
E277715
|
entity |
| Predicate | operatorOf |
P179
|
FINISHED |
| Object | Seibu Tamagawa Line |
E1044213
|
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: Seibu Tamagawa Line | Statement: [Seibu Railway, operatorOf, Seibu Tamagawa Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Seibu Tamagawa Line Context triple: [Seibu Railway, operatorOf, Seibu Tamagawa Line]
-
A.
Seibu Tamako Line
chosen
The Seibu Tamako Line is a commuter railway line in western Tokyo, Japan, operated by Seibu Railway and serving suburban residential areas between Kokubunji and the Tama region.
-
B.
Tōkyū Tamagawa Line
The Tōkyū Tamagawa Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with major hubs on the city’s rail network.
-
C.
Seibu Kokubunji Line
The Seibu Kokubunji Line is a commuter railway line in western Tokyo operated by Seibu Railway, connecting residential suburbs with major transit hubs.
-
D.
Seibu Toshima Line
The Seibu Toshima Line is a short commuter railway line in Tokyo, Japan, operated by Seibu Railway and connecting Nerima and Toshimaen in the city’s northwest.
-
E.
Seibu Yurakucho Line
The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
- 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_69d6aafe02d881909900d54ad7d4af84 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a463f6448190a4c8e1651a2bd905 |
completed | April 10, 2026, 7:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a034307ff088190874d6c00f2741400 |
completed | May 12, 2026, 3:11 p.m. |
Created at: April 8, 2026, 9:40 p.m.