Triple
T22904432
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hakone Tozan Railway |
E568406
|
entity |
| Predicate | operatesLine |
P15252
|
FINISHED |
| Object | Hakone Tozan Line |
—
|
NE NERFINISHED |
How this triple was built (3 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: Hakone Tozan Line | Statement: [Hakone Tozan Railway, operatesLine, Hakone Tozan Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hakone Tozan Line Context triple: [Hakone Tozan Railway, operatesLine, Hakone Tozan Line]
-
A.
Hakone Tozan Railway
Hakone Tozan Railway is a Japanese private railway company best known for operating the scenic mountain railway and related transport services that connect Odawara and Hakone, a popular hot spring and resort area in Kanagawa Prefecture.
-
B.
Nagano Line
The Nagano Line is a railway line in Nagano Prefecture, Japan, providing local and commuter rail services as part of the Nagano Electric Railway network.
-
C.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
D.
Sagano Line
The Sagano Line is a railway line in Kyoto, Japan, operated by JR West, known for its scenic route through the Arashiyama and Sagano areas popular with tourists.
-
E.
Gotemba Line
The Gotemba Line is a regional railway line in Japan connecting Numazu and Kōzu via Gotemba, known for serving areas around Mount Fuji and providing local and commuter rail services.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hakone Tozan Line Target entity description: The Hakone Tozan Line is a historic Japanese mountain railway known for its steep gradients, switchbacks, and scenic route into the Hakone hot spring and resort area.
-
A.
Hakone Tozan Railway
chosen
Hakone Tozan Railway is a Japanese private railway company best known for operating the scenic mountain railway and related transport services that connect Odawara and Hakone, a popular hot spring and resort area in Kanagawa Prefecture.
-
B.
Nagano Line
The Nagano Line is a railway line in Nagano Prefecture, Japan, providing local and commuter rail services as part of the Nagano Electric Railway network.
-
C.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
D.
Sagano Line
The Sagano Line is a railway line in Kyoto, Japan, operated by JR West, known for its scenic route through the Arashiyama and Sagano areas popular with tourists.
-
E.
Gotemba Line
The Gotemba Line is a regional railway line in Japan connecting Numazu and Kōzu via Gotemba, known for serving areas around Mount Fuji and providing local and commuter rail services.
- F. None of above.
Provenance (2 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_69e2458cd9e48190943ad2e34485d939 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1801895f48190bb8d49a41feac7ef |
completed | April 29, 2026, 3:50 a.m. |
Created at: April 17, 2026, 3:41 p.m.