Triple

T19120113
Position Surface form Disambiguated ID Type / Status
Subject Nišava District E468018 entity
Predicate hasMajorRailway P24245 FINISHED
Object Belgrade–Niš–Sofia railway line — NE NERFINISHED

How this triple was built (2 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: Belgrade–Niš–Sofia railway line | Statement: [Nišava District, hasMajorRailway, Belgrade–Niš–Sofia railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Belgrade–Niš–Sofia railway line
Context triple: [Nišava District, hasMajorRailway, Belgrade–Niš–Sofia railway line]
  • A. Belgrade–Niš–Sofia railway line chosen
    The Belgrade–Niš–Sofia railway line is a major international rail corridor connecting Serbia’s capital Belgrade with the city of Niš and onward to Bulgaria’s capital Sofia, serving as a key transport route between Central and Southeastern Europe.
  • B. Belgrade–Skopje railway line
    The Belgrade–Skopje railway line is a major international rail route connecting the capitals of Serbia and North Macedonia, serving as a key transport corridor in the Balkans.
  • C. Belgrade–Bar railway
    The Belgrade–Bar railway is a major international rail line connecting Serbia’s capital Belgrade with the Montenegrin Adriatic port of Bar, renowned for its mountainous route and numerous bridges and tunnels.
  • D. Niš–Skopje railway
    The Niš–Skopje railway is an international rail line connecting the city of Niš in Serbia with Skopje in North Macedonia, serving as a key transport corridor in the central Balkans.
  • E. Titograd–Nikšić railway line
    The Titograd–Nikšić railway line is a Montenegrin rail route connecting the capital Podgorica (formerly Titograd) with the industrial city of Nikšić.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8dd06a26481908039e2a1bae8c597 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5e3c810808190a88d5c7859e7c650 completed April 20, 2026, 8:28 a.m.
Created at: April 10, 2026, 12:05 p.m.