Triple

T691182
Position Surface form Disambiguated ID Type / Status
Subject Battle of Pusan Perimeter E13395 entity
Predicate location P40 FINISHED
Object Nakdong River line
The Nakdong River line was a critical defensive front held by United Nations and South Korean forces in southeast Korea during the early stages of the Korean War.
 E85038 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: Nakdong River line | Statement: [Battle of Pusan Perimeter, location, Nakdong River line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nakdong River line
Context triple: [Battle of Pusan Perimeter, location, Nakdong River line]
  • A. Hanwa Line
    The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
  • B. Batong Line
    The Batong Line is a rapid transit line in Beijing that extends the Beijing Subway network eastward into the suburban Tongzhou District.
  • C. Yanfang Line
    Yanfang Line is a suburban rapid transit line of the Beijing Subway serving the southwestern outskirts of the city.
  • D. Xijiao Line
    The Xijiao Line is a light rail transit line in Beijing that primarily serves the city’s western suburban areas, including university and technology districts.
  • E. Busan Metro
    Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
  • 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: Nakdong River line
Triple: [Battle of Pusan Perimeter, location, Nakdong River line]
Generated description
The Nakdong River line was a critical defensive front held by United Nations and South Korean forces in southeast Korea during the early stages of the Korean War.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nakdong River line
Target entity description: The Nakdong River line was a critical defensive front held by United Nations and South Korean forces in southeast Korea during the early stages of the Korean War.
  • A. Hanwa Line
    The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
  • B. Batong Line
    The Batong Line is a rapid transit line in Beijing that extends the Beijing Subway network eastward into the suburban Tongzhou District.
  • C. Yanfang Line
    Yanfang Line is a suburban rapid transit line of the Beijing Subway serving the southwestern outskirts of the city.
  • D. Xijiao Line
    The Xijiao Line is a light rail transit line in Beijing that primarily serves the city’s western suburban areas, including university and technology districts.
  • E. Busan Metro
    Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
  • 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_69a4933e0f98819097d22766c49b61b8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a0aebde88190a49d421477713103 completed March 1, 2026, 8:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5dca5b2688190bfe05a165c753211 completed March 2, 2026, 6:53 p.m.
NEDg Description generation batch_69a5ddeaef148190bb9877cee15959fd completed March 2, 2026, 6:58 p.m.
NED2 Entity disambiguation (via description) batch_69a5fea9df3481909331e3e382ad81ae completed March 2, 2026, 9:18 p.m.
Created at: March 1, 2026, 7:36 p.m.