Triple

T7301441
Position Surface form Disambiguated ID Type / Status
Subject Han River E167863 entity
Predicate crossedBy P416 FINISHED
Object Seongsu Bridge
Seongsu Bridge is a major road bridge in Seoul, South Korea, known both for its role in connecting districts across the Han River and for its infamous 1994 collapse and subsequent reconstruction.
 E666245 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: Seongsu Bridge | Statement: [Han River, crossedBy, Seongsu Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seongsu Bridge
Context triple: [Han River, crossedBy, Seongsu Bridge]
  • A. Dongho Bridge
    Dongho Bridge is a major road bridge in Seoul, South Korea, carrying traffic across the Han River and connecting key districts of the city.
  • B. Gwangan Bridge
    Gwangan Bridge is a prominent suspension bridge in Busan, South Korea, famed for its panoramic coastal views and colorful nighttime LED illuminations.
  • C. Geumcheongyo Bridge
    Geumcheongyo Bridge is a historic stone bridge within Seoul’s Changdeokgung Palace complex, notable as one of the oldest surviving palace bridges from the Joseon Dynasty.
  • D. Yeongdodaegyo Bridge
    Yeongdodaegyo Bridge is a historic bascule bridge in Busan, South Korea, known for connecting the mainland to Yeongdo Island and for its iconic daily bridge-raising.
  • E. Okcheongyo Bridge
    Okcheongyo Bridge is a historic stone bridge within Seoul’s Changgyeonggung Palace complex, notable for its traditional Joseon-era architectural style and role in the palace’s ceremonial approach.
  • 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: Seongsu Bridge
Triple: [Han River, crossedBy, Seongsu Bridge]
Generated description
Seongsu Bridge is a major road bridge in Seoul, South Korea, known both for its role in connecting districts across the Han River and for its infamous 1994 collapse and subsequent reconstruction.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Seongsu Bridge
Target entity description: Seongsu Bridge is a major road bridge in Seoul, South Korea, known both for its role in connecting districts across the Han River and for its infamous 1994 collapse and subsequent reconstruction.
  • A. Dongho Bridge
    Dongho Bridge is a major road bridge in Seoul, South Korea, carrying traffic across the Han River and connecting key districts of the city.
  • B. Gwangan Bridge
    Gwangan Bridge is a prominent suspension bridge in Busan, South Korea, famed for its panoramic coastal views and colorful nighttime LED illuminations.
  • C. Geumcheongyo Bridge
    Geumcheongyo Bridge is a historic stone bridge within Seoul’s Changdeokgung Palace complex, notable as one of the oldest surviving palace bridges from the Joseon Dynasty.
  • D. Yeongdodaegyo Bridge
    Yeongdodaegyo Bridge is a historic bascule bridge in Busan, South Korea, known for connecting the mainland to Yeongdo Island and for its iconic daily bridge-raising.
  • E. Okcheongyo Bridge
    Okcheongyo Bridge is a historic stone bridge within Seoul’s Changgyeonggung Palace complex, notable for its traditional Joseon-era architectural style and role in the palace’s ceremonial approach.
  • 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_69c6888c820881909fc68f689fe1c251 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6ebb09164819099c4479d48c1688a completed March 27, 2026, 8:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8342f2d40819083bbca74b47b7dff completed March 28, 2026, 8:03 p.m.
NEDg Description generation batch_69c835904be081908fa9317eb5568d82 completed March 28, 2026, 8:09 p.m.
NED2 Entity disambiguation (via description) batch_69c83621b32c8190bd4b289b5f9f1764 completed March 28, 2026, 8:12 p.m.
Created at: March 27, 2026, 3:01 p.m.