Triple

T8235763
Position Surface form Disambiguated ID Type / Status
Subject Busan Central Bus Terminal E192399 entity
Predicate locatedNear P294 FINISHED
Object Gyeongbu Expressway terminus in Busan
The Gyeongbu Expressway terminus in Busan is the southern endpoint of South Korea’s primary expressway linking Seoul and Busan, serving as a major gateway for road traffic entering the city.
 E720745 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: Gyeongbu Expressway terminus in Busan | Statement: [Busan Central Bus Terminal, locatedNear, Gyeongbu Expressway terminus in Busan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Gyeongbu Expressway terminus in Busan
Context triple: [Busan Central Bus Terminal, locatedNear, Gyeongbu Expressway terminus in Busan]
  • A. Nakdong-daero corridor, Busan
    The Nakdong-daero corridor in Busan is a major urban arterial zone and transportation axis that concentrates key bus, road, and commercial facilities in the city’s western area.
  • B. Busan–Jinhae light rail
    The Busan–Jinhae light rail is a regional urban rail transit line in South Korea that connects the cities of Busan and Jinhae, supporting commuter travel and development within the Busan–Jinhae Free Economic Zone.
  • C. Busan Metro Line 1
    Busan Metro Line 1 is the oldest and one of the main rapid transit lines in Busan, South Korea, running in a generally north–south direction and connecting key commercial and residential areas across the city.
  • D. Busan Metro Line 2
    Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting key residential, commercial, and industrial areas across the city.
  • E. Gyeongui Line rail connection
    The Gyeongui Line rail connection is a cross-border railway link between North and South Korea that has been used to support access to the Kaesong Industrial Region and symbolize inter-Korean cooperation.
  • 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: Gyeongbu Expressway terminus in Busan
Triple: [Busan Central Bus Terminal, locatedNear, Gyeongbu Expressway terminus in Busan]
Generated description
The Gyeongbu Expressway terminus in Busan is the southern endpoint of South Korea’s primary expressway linking Seoul and Busan, serving as a major gateway for road traffic entering the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Gyeongbu Expressway terminus in Busan
Target entity description: The Gyeongbu Expressway terminus in Busan is the southern endpoint of South Korea’s primary expressway linking Seoul and Busan, serving as a major gateway for road traffic entering the city.
  • A. Nakdong-daero corridor, Busan
    The Nakdong-daero corridor in Busan is a major urban arterial zone and transportation axis that concentrates key bus, road, and commercial facilities in the city’s western area.
  • B. Busan–Jinhae light rail
    The Busan–Jinhae light rail is a regional urban rail transit line in South Korea that connects the cities of Busan and Jinhae, supporting commuter travel and development within the Busan–Jinhae Free Economic Zone.
  • C. Busan Metro Line 1
    Busan Metro Line 1 is the oldest and one of the main rapid transit lines in Busan, South Korea, running in a generally north–south direction and connecting key commercial and residential areas across the city.
  • D. Busan Metro Line 2
    Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting key residential, commercial, and industrial areas across the city.
  • E. Gyeongui Line rail connection
    The Gyeongui Line rail connection is a cross-border railway link between North and South Korea that has been used to support access to the Kaesong Industrial Region and symbolize inter-Korean cooperation.
  • 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_69ca82dc8f148190a2c75a98501a7b91 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb782a5e18819096235679f5a644a8 completed March 31, 2026, 7:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd34fb069c8190965d69fae908482e completed April 1, 2026, 3:08 p.m.
NEDg Description generation batch_69cd37a290508190b598f96220056041 completed April 1, 2026, 3:20 p.m.
NED2 Entity disambiguation (via description) batch_69cd4eb519608190b5d0f534170214b5 completed April 1, 2026, 4:58 p.m.
Created at: March 30, 2026, 5:46 p.m.