Triple

T8251780
Position Surface form Disambiguated ID Type / Status
Subject Atbara E192974 entity
Predicate connectsRailwayLines P848 FINISHED
Object Wadi Halfa line E721564 NE FINISHED

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: Wadi Halfa line | Statement: [Atbara, connectsRailwayLines, Wadi Halfa line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Wadi Halfa line
Context triple: [Atbara, connectsRailwayLines, Wadi Halfa line]
  • A. Khartoum–Port Sudan line chosen
    The Khartoum–Port Sudan line is a major Sudanese railway route linking the inland capital region with the Red Sea port of Port Sudan, serving as a key corridor for freight and passenger transport.
  • B. Alamein line
    The Alamein line is a suburban railway line in Melbourne, Australia, running from the central business district to the eastern suburb of Alamein.
  • C. Cairo–Damietta line
    The Cairo–Damietta line is a key Egyptian railway route linking the capital Cairo with the port city of Damietta in the Nile Delta, serving both passenger and freight traffic.
  • D. Cairo–Asyut desert road
    The Cairo–Asyut desert road is a major highway in Egypt that runs through the Western Desert, linking the capital Cairo with the city of Asyut and serving several governorates along the Nile Valley.
  • E. Cairo–Marsa Matruh line
    The Cairo–Marsa Matruh line is a major Egyptian railway route linking the capital Cairo with the Mediterranean coastal city of Marsa Matruh, serving both passenger and freight traffic across northern Egypt.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78ca4b0881909bb1fb550dba59e7 completed March 31, 2026, 7:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd681457908190b39fa034e9ca05d5 completed April 1, 2026, 6:46 p.m.
Created at: March 30, 2026, 5:48 p.m.