Triple

T10015013
Position Surface form Disambiguated ID Type / Status
Subject Aichi Prefecture E199464 entity
Predicate hasRailLine P848 FINISHED
Object Nagoya Subway Tsurumai Line
The Nagoya Subway Tsurumai Line is a major rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and serving key urban and suburban areas across the city.
 E981038 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: Nagoya Subway Tsurumai Line | Statement: [Aichi Prefecture, hasRailLine, Nagoya Subway Tsurumai Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nagoya Subway Tsurumai Line
Context triple: [Aichi Prefecture, hasRailLine, Nagoya Subway Tsurumai Line]
  • A. Nagoya Subway Higashiyama Line
    The Nagoya Subway Higashiyama Line is a major rapid transit line in Nagoya, Japan, forming part of the city’s subway network and connecting key commercial and residential areas.
  • B. Nagoya Municipal Subway Meijō Line
    The Nagoya Municipal Subway Meijō Line is a circular subway line in Nagoya, Japan, forming a loop around the city and connecting major commercial and residential districts.
  • C. Nagoya Municipal Subway
    Nagoya Municipal Subway is the rapid transit system serving the city of Nagoya, Japan, forming the core of its urban public transportation network.
  • D. Yurikamome Line
    The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
  • E. Nishitetsu Kaizuka Line
    The Nishitetsu Kaizuka Line is a Japanese private railway line in Fukuoka operated by Nishi-Nippon Railroad, connecting suburban areas with central Fukuoka.
  • 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: Nagoya Subway Tsurumai Line
Triple: [Aichi Prefecture, hasRailLine, Nagoya Subway Tsurumai Line]
Generated description
The Nagoya Subway Tsurumai Line is a major rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and serving key urban and suburban areas across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nagoya Subway Tsurumai Line
Target entity description: The Nagoya Subway Tsurumai Line is a major rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and serving key urban and suburban areas across the city.
  • A. Nagoya Subway Higashiyama Line
    The Nagoya Subway Higashiyama Line is a major rapid transit line in Nagoya, Japan, forming part of the city’s subway network and connecting key commercial and residential areas.
  • B. Nagoya Municipal Subway Meijō Line
    The Nagoya Municipal Subway Meijō Line is a circular subway line in Nagoya, Japan, forming a loop around the city and connecting major commercial and residential districts.
  • C. Nagoya Municipal Subway
    Nagoya Municipal Subway is the rapid transit system serving the city of Nagoya, Japan, forming the core of its urban public transportation network.
  • D. Yurikamome Line
    The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
  • E. Nishitetsu Kaizuka Line
    The Nishitetsu Kaizuka Line is a Japanese private railway line in Fukuoka operated by Nishi-Nippon Railroad, connecting suburban areas with central Fukuoka.
  • 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_69ca8315a1a08190ab310f25620f362b completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cdcd49b19c8190b429e3533d072648 completed April 2, 2026, 1:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69f63449892881909d361815cbfcdee5 completed May 2, 2026, 5:28 p.m.
NEDg Description generation batch_69f635997b088190b6207fcac5594eb2 completed May 2, 2026, 5:34 p.m.
NED2 Entity disambiguation (via description) batch_69f636d9e13881908d3d08c6cf954304 completed May 2, 2026, 5:39 p.m.
Created at: March 30, 2026, 8:52 p.m.