Triple

T16568397
Position Surface form Disambiguated ID Type / Status
Subject Grdelica train bombing E402521 entity
Predicate place P373 FINISHED
Object Grdelica Gorge
Grdelica Gorge is a narrow river valley in southern Serbia known for its strategic railway corridor and as the site of a controversial NATO airstrike during the Kosovo conflict.
 E1232311 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 Gorge | Statement: [Grdelica train bombing, place, Grdelica Gorge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grdelica Gorge
Context triple: [Grdelica train bombing, place, Grdelica Gorge]
  • A. Jelašnica Gorge
    Jelašnica Gorge is a scenic protected natural canyon in southeastern Serbia, known for its striking rock formations, biodiversity, and popular rock-climbing and hiking routes.
  • B. Rugova Gorge
    Rugova Gorge is a dramatic river canyon in western Kosovo, renowned for its steep cliffs, scenic landscapes, and popularity for hiking and rock climbing.
  • C. Ravanica Gorge
    Ravanica Gorge is a scenic river canyon in central Serbia known for its natural beauty and historical significance as the setting of the medieval Ravanica Monastery.
  • D. Roki Gorge
    Roki Gorge is a mountainous valley in the central Caucasus that serves as a key transit corridor between Russia and Georgia.
  • E. Iskar Gorge
    Iskar Gorge is a dramatic river gorge in western Bulgaria, known for its steep cliffs, scenic landscapes, and the railway and road that follow the Iskar River through the Balkan Mountains.
  • 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 Gorge
Triple: [Grdelica train bombing, place, Grdelica Gorge]
Generated description
Grdelica Gorge is a narrow river valley in southern Serbia known for its strategic railway corridor and as the site of a controversial NATO airstrike during the Kosovo conflict.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grdelica Gorge
Target entity description: Grdelica Gorge is a narrow river valley in southern Serbia known for its strategic railway corridor and as the site of a controversial NATO airstrike during the Kosovo conflict.
  • A. Jelašnica Gorge
    Jelašnica Gorge is a scenic protected natural canyon in southeastern Serbia, known for its striking rock formations, biodiversity, and popular rock-climbing and hiking routes.
  • B. Rugova Gorge
    Rugova Gorge is a dramatic river canyon in western Kosovo, renowned for its steep cliffs, scenic landscapes, and popularity for hiking and rock climbing.
  • C. Ravanica Gorge
    Ravanica Gorge is a scenic river canyon in central Serbia known for its natural beauty and historical significance as the setting of the medieval Ravanica Monastery.
  • D. Roki Gorge
    Roki Gorge is a mountainous valley in the central Caucasus that serves as a key transit corridor between Russia and Georgia.
  • E. Iskar Gorge
    Iskar Gorge is a dramatic river gorge in western Bulgaria, known for its steep cliffs, scenic landscapes, and the railway and road that follow the Iskar River through the Balkan Mountains.
  • 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_6a00a508505881909cb7582916ad037c completed May 10, 2026, 3:32 p.m.
NEDg Description generation batch_6a00a685753881908c3fef10823ce569 completed May 10, 2026, 3:38 p.m.
NED2 Entity disambiguation (via description) batch_6a00a7174f5c8190891ddd180c50aee3 completed May 10, 2026, 3:41 p.m.
Created at: April 10, 2026, 5:16 a.m.