Triple

T16568416
Position Surface form Disambiguated ID Type / Status
Subject Grdelica train bombing E402521 entity
Predicate bridgeName P26021 FINISHED
Object Grdelica railway bridge
The Grdelica railway bridge is a rail bridge in southern Serbia that gained international attention after being severely damaged during the NATO bombing of Yugoslavia in 1999.
E1221488 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: Grdelica railway bridge | Statement: [Grdelica train bombing, bridgeName, Grdelica railway bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grdelica railway bridge
Context triple: [Grdelica train bombing, bridgeName, Grdelica railway bridge]
  • A. Vrbanja Bridge
    Vrbanja Bridge is a notable bridge in Sarajevo, Bosnia and Herzegovina, remembered especially as a symbol of the Bosnian War and site of early civilian casualties.
  • B. Ribnica Bridge
    Ribnica Bridge is a historic stone bridge in Podgorica, Montenegro, known as one of the city’s oldest architectural landmarks spanning the Ribnica River.
  • C. Jablanica Bridge
    Jablanica Bridge is a historic railway bridge over the Neretva River in Bosnia and Herzegovina, best known for its role and destruction during World War II’s Battle of the Neretva.
  • D. Obrenovac–Surčin bridge
    The Obrenovac–Surčin bridge is a road bridge in the Belgrade area of Serbia that connects the municipalities of Obrenovac and Surčin across the Sava River, improving regional traffic flow and access to the capital.
  • E. Kandija Bridge
    Kandija Bridge is a historic road bridge spanning the Krka River in Novo Mesto, Slovenia, known as one of the town’s characteristic architectural landmarks.
  • 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: Grdelica railway bridge
Triple: [Grdelica train bombing, bridgeName, Grdelica railway bridge]
Generated description
The Grdelica railway bridge is a rail bridge in southern Serbia that gained international attention after being severely damaged during the NATO bombing of Yugoslavia in 1999.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Grdelica railway bridge
Target entity description: The Grdelica railway bridge is a rail bridge in southern Serbia that gained international attention after being severely damaged during the NATO bombing of Yugoslavia in 1999.
  • A. Vrbanja Bridge
    Vrbanja Bridge is a notable bridge in Sarajevo, Bosnia and Herzegovina, remembered especially as a symbol of the Bosnian War and site of early civilian casualties.
  • B. Ribnica Bridge
    Ribnica Bridge is a historic stone bridge in Podgorica, Montenegro, known as one of the city’s oldest architectural landmarks spanning the Ribnica River.
  • C. Jablanica Bridge
    Jablanica Bridge is a historic railway bridge over the Neretva River in Bosnia and Herzegovina, best known for its role and destruction during World War II’s Battle of the Neretva.
  • D. Obrenovac–Surčin bridge
    The Obrenovac–Surčin bridge is a road bridge in the Belgrade area of Serbia that connects the municipalities of Obrenovac and Surčin across the Sava River, improving regional traffic flow and access to the capital.
  • E. Kandija Bridge
    Kandija Bridge is a historic road bridge spanning the Krka River in Novo Mesto, Slovenia, known as one of the town’s characteristic architectural landmarks.
  • 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_69d8838648088190acf97ef11fc3f61b completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e35773c00c819091731bebc02a69bb completed April 18, 2026, 10:05 a.m.
NED1 Entity disambiguation (via context triple) batch_6a006ee3dcbc819087ea66b262585232 completed May 10, 2026, 11:41 a.m.
NEDg Description generation batch_6a006ff5bdb88190be90d7446e24b61f completed May 10, 2026, 11:45 a.m.
NED2 Entity disambiguation (via description) batch_6a007088fd988190b3dfef081769d03e completed May 10, 2026, 11:48 a.m.
Created at: April 10, 2026, 5:16 a.m.