Triple

T8534047
Position Surface form Disambiguated ID Type / Status
Subject Matsuyama E202029 entity
Predicate hasLandmark P105 FINISHED
Object Botchan Ressha
Botchan Ressha is a nostalgic, tourist-oriented replica of a Meiji-era steam locomotive that runs through Matsuyama, evoking scenes from Natsume Sōseki’s novel "Botchan."
E741928 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: Botchan Ressha | Statement: [Matsuyama, hasLandmark, Botchan Ressha]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Botchan Ressha
Context triple: [Matsuyama, hasLandmark, Botchan Ressha]
  • A. Joban Line
    The Joban Line is a major railway line in eastern Japan operated by JR East that runs along the Pacific coast, connecting the Tokyo area with Fukushima and Miyagi Prefectures.
  • B. Rokkō Liner
    Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
  • C. Fujikyuko Line
    The Fujikyuko Line is a Japanese railway line in Yamanashi Prefecture that connects the Chūō Main Line to the Mount Fuji and Fuji Five Lakes area, serving as a key route for tourists and local commuters.
  • D. Odakyu
    Odakyu is a Japanese retail and transportation company best known for operating railway lines and department stores in the Greater Tokyo area.
  • E. Meitetsu
    Meitetsu is a major private railway company in Japan’s Chubu region, best known for operating extensive rail and transport services centered around Nagoya.
  • 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: Botchan Ressha
Triple: [Matsuyama, hasLandmark, Botchan Ressha]
Generated description
Botchan Ressha is a nostalgic, tourist-oriented replica of a Meiji-era steam locomotive that runs through Matsuyama, evoking scenes from Natsume Sōseki’s novel "Botchan."
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Botchan Ressha
Target entity description: Botchan Ressha is a nostalgic, tourist-oriented replica of a Meiji-era steam locomotive that runs through Matsuyama, evoking scenes from Natsume Sōseki’s novel "Botchan."
  • A. Joban Line
    The Joban Line is a major railway line in eastern Japan operated by JR East that runs along the Pacific coast, connecting the Tokyo area with Fukushima and Miyagi Prefectures.
  • B. Rokkō Liner
    Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
  • C. Fujikyuko Line
    The Fujikyuko Line is a Japanese railway line in Yamanashi Prefecture that connects the Chūō Main Line to the Mount Fuji and Fuji Five Lakes area, serving as a key route for tourists and local commuters.
  • D. Odakyu
    Odakyu is a Japanese retail and transportation company best known for operating railway lines and department stores in the Greater Tokyo area.
  • E. Meitetsu
    Meitetsu is a major private railway company in Japan’s Chubu region, best known for operating extensive rail and transport services centered around Nagoya.
  • F. None of above. chosen

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_69ca832355b08190b8b6a4ab4a4a3554 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe6a0ccd4819097b41d0dfb1c5018 completed March 31, 2026, 3:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce6d7aa3a881909bfdd3536dbc4ec7 completed April 2, 2026, 1:22 p.m.
NEDg Description generation batch_69ce6ee1bae4819099ef302138599b34 completed April 2, 2026, 1:28 p.m.
NED2 Entity disambiguation (via description) batch_69ce6fb93fd88190bc53a925473f9b71 completed April 2, 2026, 1:31 p.m.
Created at: March 30, 2026, 6:17 p.m.