Triple
T12418876
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Itabashi Station |
E296711
|
entity |
| Predicate | hasStationCodeSystem |
P57418
|
FINISHED |
| Object | JR East Saikyo Line station numbering |
E590339
|
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 East Saikyo Line station numbering | Statement: [Itabashi Station, hasStationCodeSystem, JR East Saikyo Line station numbering]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR East Saikyo Line station numbering Context triple: [Itabashi Station, hasStationCodeSystem, JR East Saikyo Line station numbering]
-
A.
JR East station numbering
chosen
JR East station numbering is a system that assigns alphanumeric codes to East Japan Railway Company stations to make navigation and route identification easier for passengers.
-
B.
JR West station numbering
JR West station numbering is a system that assigns alphanumeric codes to stations operated by West Japan Railway Company to simplify navigation for passengers.
-
C.
JR Saikyo Line (at Ikebukuro Station)
The JR Saikyo Line at Ikebukuro Station is a major JR East commuter rail line in Tokyo that provides rapid north–south access through the city and connects with multiple private and subway lines.
-
D.
Yamanote Line stations
Yamanote Line stations are the train stops located along Tokyo’s busy circular Yamanote Line, one of the city’s most important and heavily used rail routes.
-
E.
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.
- 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_69d6ada0640c81908c061d7fb3d47786 |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d6efd748190a5d9396a343e41e1 |
completed | April 10, 2026, 7:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f634933b9881909fd592ede7c3e49c |
completed | May 2, 2026, 5:29 p.m. |
Created at: April 8, 2026, 9:55 p.m.