Triple

T22904431
Position Surface form Disambiguated ID Type / Status
Subject Hakone Tozan Railway E568406 entity
Predicate ownsLine P69641 FINISHED
Object Hakone Tozan Line
The Hakone Tozan Line is a historic Japanese mountain railway known for its steep gradients, sharp curves, and scenic route into the Hakone hot spring and resort area.
 E568406 NE FINISHED

How this triple was built (4 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, ownsLine, 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, ownsLine, 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Hakone Tozan Line
Triple: [Hakone Tozan Railway, ownsLine, Hakone Tozan Line]
Generated description
The Hakone Tozan Line is a historic Japanese mountain railway known for its steep gradients, sharp curves, and scenic route into the Hakone hot spring and resort area.
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, sharp curves, 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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0bb9cbbdf481909d628c86abc8f515 completed May 19, 2026, 1:15 a.m.
NEDg Description generation batch_6a0bbb6ca76c8190bde7e1eacb121d23 completed May 19, 2026, 1:22 a.m.
NED2 Entity disambiguation (via description) batch_6a0bbc2a2244819090ead891e1a866ed completed May 19, 2026, 1:26 a.m.
Created at: April 17, 2026, 3:41 p.m.