Triple

T9446486
Position Surface form Disambiguated ID Type / Status
Subject Sudogwon E227776 entity
Predicate hasUrbanRailSystem P522 FINISHED
Object Seoul Metropolitan Subway E105452 NE FINISHED

How this triple was built (3 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: Seoul Metropolitan Subway | Statement: [Sudogwon, hasUrbanRailSystem, Seoul Metropolitan Subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seoul Metropolitan Subway
Context triple: [Sudogwon, hasUrbanRailSystem, Seoul Metropolitan Subway]
  • A. Seoul Metropolitan Subway chosen
    The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.
  • B. Seoul Subway Line 1
    Seoul Subway Line 1 is a major north–south subway line in the Seoul Metropolitan Subway system, connecting central Seoul with numerous suburban cities and serving as one of the network’s oldest and busiest routes.
  • C. Incheon Subway
    Incheon Subway is the urban rapid transit system serving the city of Incheon, South Korea, connecting major districts and linking with the Seoul Metropolitan Subway network.
  • D. Daegu Metro
    Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
  • E. Seoul Subway Line 9
    Seoul Subway Line 9 is a major east–west rapid transit line in Seoul known for its express services that connect key business districts and residential areas across the city.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: hasUrbanRailSystem
Context triple: [Sudogwon, hasUrbanRailSystem, Seoul Metropolitan Subway]
  • A. isUrbanRailwayIn
    Indicates that an urban railway system or line is located within or operates inside a specified geographic or administrative area.
  • B. hasLightRailSystem
    Indicates that a place possesses and operates a light rail transit system.
  • C. hasRailSystem chosen
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • D. hasTramway
    Indicates that a location or area is served by, contains, or is connected to a tramway system.
  • E. hasPassengerRailConnection
    Indicates that there exists a passenger rail service linking one location or transport node to another.
  • F. None of above.

Provenance (4 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_69ca8439f8bc8190997f2ef40c9f0bc2 completed March 30, 2026, 2:10 p.m.
NER Named-entity recognition batch_69cd7f35394c8190aa77528dabd6139c completed April 1, 2026, 8:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69d19f5997a48190b8a08c7aee12c90d completed April 4, 2026, 11:31 p.m.
PD Predicate disambiguation batch_69cca5596ffc819097e9c8eefd4ef9b8 completed April 1, 2026, 4:55 a.m.
Created at: March 30, 2026, 7:51 p.m.