Triple
T2532380
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kyobashi Station |
E56190
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | JR Tōzai Line |
E353685
|
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: JR Tōzai Line | Statement: [Kyobashi Station, railwayLine, JR Tōzai Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR Tōzai Line Context triple: [Kyobashi Station, railwayLine, JR Tōzai Line]
-
A.
JR Tōzai Line
chosen
The JR Tōzai Line is a commuter rail line in the Kansai region of Japan operated by West Japan Railway Company (JR West), connecting Kyōbashi in Osaka with Amagasaki in Hyōgo via central Osaka.
-
B.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
JR Yamanote Line
The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
-
E.
Keio Line
The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
- 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_69ab4a49b6508190bc467fbef4bac334 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd279cf108190b03fb6e0265f39d9 |
completed | March 7, 2026, 7:23 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b34ba6d2cc819091d748b8af7ccbe6 |
completed | March 12, 2026, 11:26 p.m. |
Created at: March 6, 2026, 9:47 p.m.