Triple
T14301351
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shimo-kitazawa Station |
E354570
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | Odakyu Electric Railway network |
E203629
|
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: Odakyu Electric Railway network | Statement: [Shimo-kitazawa Station, partOfNetwork, Odakyu Electric Railway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Odakyu Electric Railway network Context triple: [Shimo-kitazawa Station, partOfNetwork, Odakyu Electric Railway network]
-
A.
Keihan Electric Railway network
The Keihan Electric Railway network is a private railway system in Japan that primarily connects the Osaka and Kyoto metropolitan areas, serving as a major commuter and intercity transport corridor in the Kansai region.
-
B.
Odakyu Electric Railway
chosen
Odakyu Electric Railway is a major private railway company in Japan that operates commuter and limited express train services connecting central Tokyo with surrounding suburban and regional areas.
-
C.
Keisei Electric Railway lines
Keisei Electric Railway lines are a group of private railway routes in the Greater Tokyo area best known for linking central Tokyo with Narita International Airport and serving commuter and interurban travel in Chiba Prefecture.
-
D.
Tokyu railway network
The Tokyu railway network is a major private rail system in the Greater Tokyo area, operated by Tokyu Corporation and serving key suburban and urban corridors including central hubs like Shibuya.
-
E.
Keio railway network
The Keio railway network is a private railway system in the Tokyo metropolitan area operated by Keio Corporation, linking central Tokyo with its western suburbs through multiple commuter 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_69d8278e17088190b328c5a9d4be74ff |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de717fc2348190bb6ba3109bd2871f |
completed | April 14, 2026, 4:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd3d2883e081909c53170ef30b4125 |
completed | May 8, 2026, 1:32 a.m. |
Created at: April 10, 2026, 1:11 a.m.