Triple

T19285814
Position Surface form Disambiguated ID Type / Status
Subject Hiroshima Station E482306 entity
Predicate railwayLine P848 FINISHED
Object Hiroden Hiroden-honsha-mae Line
The Hiroden Hiroden-honsha-mae Line is a streetcar (tram) route in Hiroshima, Japan, operated by Hiroshima Electric Railway and connecting Hiroshima Station with central city areas including the company’s head office vicinity.
E1368033 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: Hiroden Hiroden-honsha-mae Line | Statement: [Hiroshima Station, railwayLine, Hiroden Hiroden-honsha-mae Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hiroden Hiroden-honsha-mae Line
Context triple: [Hiroshima Station, railwayLine, Hiroden Hiroden-honsha-mae Line]
  • A. Nagahori Tsurumi-ryokuchi Line
    The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
  • B. Gakkentoshi Line
    The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
  • C. Seishin-Yamate Line
    The Seishin-Yamate Line is a major Kobe Municipal Subway line in Kobe, Japan, connecting central Kobe with its northern and western suburban areas.
  • D. Oimachi Line
    The Oimachi Line is a commuter railway line in Tokyo, Japan, forming part of the Tokyu network and connecting central Tokyo with its southwestern suburbs.
  • E. Imazatosuji Line
    The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
  • 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: Hiroden Hiroden-honsha-mae Line
Triple: [Hiroshima Station, railwayLine, Hiroden Hiroden-honsha-mae Line]
Generated description
The Hiroden Hiroden-honsha-mae Line is a streetcar (tram) route in Hiroshima, Japan, operated by Hiroshima Electric Railway and connecting Hiroshima Station with central city areas including the company’s head office vicinity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hiroden Hiroden-honsha-mae Line
Target entity description: The Hiroden Hiroden-honsha-mae Line is a streetcar (tram) route in Hiroshima, Japan, operated by Hiroshima Electric Railway and connecting Hiroshima Station with central city areas including the company’s head office vicinity.
  • A. Nagahori Tsurumi-ryokuchi Line
    The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
  • B. Gakkentoshi Line
    The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
  • C. Seishin-Yamate Line
    The Seishin-Yamate Line is a major Kobe Municipal Subway line in Kobe, Japan, connecting central Kobe with its northern and western suburban areas.
  • D. Oimachi Line
    The Oimachi Line is a commuter railway line in Tokyo, Japan, forming part of the Tokyu network and connecting central Tokyo with its southwestern suburbs.
  • E. Imazatosuji Line
    The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
  • 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_69d8e8cf61b0819096fe3e4107827c4e completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fc024a7081909a25d7cc4e048f79 completed April 20, 2026, 10:12 a.m.
NED1 Entity disambiguation (via context triple) batch_6a070e80d5b08190b304a874dac3d21d completed May 15, 2026, 12:16 p.m.
NEDg Description generation batch_6a070ef513888190b8c9f8c2de36f234 completed May 15, 2026, 12:17 p.m.
NED2 Entity disambiguation (via description) batch_6a070feb5d948190b8d05d13f250d2ab completed May 15, 2026, 12:22 p.m.
Created at: April 10, 2026, 1:30 p.m.