Triple

T14495144
Position Surface form Disambiguated ID Type / Status
Subject Chūō-ku, Fukuoka E359475 entity
Predicate servedBy P82 FINISHED
Object Fukuoka City Subway Nanakuma Line
The Fukuoka City Subway Nanakuma Line is an urban rapid transit line in Fukuoka, Japan, connecting central districts such as Chūō-ku with other parts of the city.
 E1105231 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: Fukuoka City Subway Nanakuma Line | Statement: [Chūō-ku, Fukuoka, servedBy, Fukuoka City Subway Nanakuma Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fukuoka City Subway Nanakuma Line
Context triple: [Chūō-ku, Fukuoka, servedBy, Fukuoka City Subway Nanakuma Line]
  • A. Fukuoka City Subway Kūkō Line
    The Fukuoka City Subway Kūkō Line is a major rapid transit line in Fukuoka, Japan, linking the city center with key districts and serving as a primary rail access route for travelers.
  • B. Fukuoka City Subway Hakozaki Line
    The Fukuoka City Subway Hakozaki Line is an urban rapid transit line in Fukuoka, Japan, connecting central Fukuoka with the eastern Higashi-ku area.
  • C. Fukuoka City Subway
    Fukuoka City Subway is an urban rapid transit system serving Fukuoka, Japan, connecting key districts, railway hubs, and waterfront areas across the city.
  • D. 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.
  • E. Nagoya Subway Kamiiida Line
    The Nagoya Subway Kamiiida Line is a rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and connecting central Nagoya with the Kamiiida area in Aichi Prefecture.
  • 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: Fukuoka City Subway Nanakuma Line
Triple: [Chūō-ku, Fukuoka, servedBy, Fukuoka City Subway Nanakuma Line]
Generated description
The Fukuoka City Subway Nanakuma Line is an urban rapid transit line in Fukuoka, Japan, connecting central districts such as Chūō-ku with other parts of the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fukuoka City Subway Nanakuma Line
Target entity description: The Fukuoka City Subway Nanakuma Line is an urban rapid transit line in Fukuoka, Japan, connecting central districts such as Chūō-ku with other parts of the city.
  • A. Fukuoka City Subway Kūkō Line
    The Fukuoka City Subway Kūkō Line is a major rapid transit line in Fukuoka, Japan, linking the city center with key districts and serving as a primary rail access route for travelers.
  • B. Fukuoka City Subway Hakozaki Line
    The Fukuoka City Subway Hakozaki Line is an urban rapid transit line in Fukuoka, Japan, connecting central Fukuoka with the eastern Higashi-ku area.
  • C. Fukuoka City Subway
    Fukuoka City Subway is an urban rapid transit system serving Fukuoka, Japan, connecting key districts, railway hubs, and waterfront areas across the city.
  • D. 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.
  • E. Nagoya Subway Kamiiida Line
    The Nagoya Subway Kamiiida Line is a rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and connecting central Nagoya with the Kamiiida area in Aichi Prefecture.
  • 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_69d8279740308190af9df93a3af8592e completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de93109cb081909a6e846db23a4635 completed April 14, 2026, 7:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd7a404cfc819098a5d6359475a712 completed May 8, 2026, 5:53 a.m.
NEDg Description generation batch_69fd7d64693c8190abed1fd546f91326 completed May 8, 2026, 6:06 a.m.
NED2 Entity disambiguation (via description) batch_69fd7e34ae188190a0dd5e05341c64c6 completed May 8, 2026, 6:09 a.m.
Created at: April 10, 2026, 1:21 a.m.