Triple

T23001463
Position Surface form Disambiguated ID Type / Status
Subject Sakarya, Turkey E572641 entity
Predicate connectedByRailway P57688 FINISHED
Object Istanbul–Ankara 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: Istanbul–Ankara railway line | Statement: [Sakarya, Turkey, connectedByRailway, Istanbul–Ankara railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Istanbul–Ankara railway line
Context triple: [Sakarya, Turkey, connectedByRailway, Istanbul–Ankara railway line]
  • A. Istanbul–Ankara railway chosen
    The Istanbul–Ankara railway is a major rail corridor in Turkey that connects the country’s largest city, Istanbul, with its capital, Ankara, serving as a key route for both passenger and freight transport.
  • B. Ankara–Zonguldak railway
    The Ankara–Zonguldak railway is a key Turkish rail line linking the capital Ankara with the Black Sea port city of Zonguldak, serving major industrial and mining regions along its route.
  • C. Ankara–Eskişehir railway
    The Ankara–Eskişehir railway is a major rail line in central Turkey that connects the capital Ankara with the city of Eskişehir, serving as an important corridor for both passenger and freight transport.
  • D. Ankara–Sivas railway
    The Ankara–Sivas railway is a major rail line in central Turkey that connects the capital Ankara with the eastern city of Sivas, serving as an important corridor for passenger and freight transport.
  • E. Ankara–Kars railway
    The Ankara–Kars railway is a major east–west rail line in Turkey that connects the capital Ankara with the eastern city of Kars, traversing central and eastern Anatolia.
  • 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_69e245b6a3ac81908087599eefe3e365 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f18353d05481909abacb48a14ef21e completed April 29, 2026, 4:04 a.m.
Created at: April 17, 2026, 3:50 p.m.