Triple

T7205714
Position Surface form Disambiguated ID Type / Status
Subject Damanhur railway station E148659 entity
Predicate railwayLine P848 FINISHED
Object Alexandria–Cairo railway line E27512 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: Alexandria–Cairo railway line | Statement: [Damanhur railway station, railwayLine, Alexandria–Cairo railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alexandria–Cairo railway line
Context triple: [Damanhur railway station, railwayLine, Alexandria–Cairo railway line]
  • A. Cairo–Port Said line
    The Cairo–Port Said line is a major Egyptian railway route linking the capital Cairo with the Mediterranean port city of Port Said, serving as a key axis for passenger and freight transport in the Nile Delta.
  • B. Cairo–Aswan railway line
    The Cairo–Aswan railway line is a major Egyptian rail corridor running along the Nile Valley, connecting the capital Cairo with the southern city of Aswan and serving key urban centers in between.
  • C. Cairo–Alexandria line chosen
    The Cairo–Alexandria line is Egypt’s primary intercity railway route linking the capital Cairo with the Mediterranean port city of Alexandria and carrying a large share of the country’s passenger and freight traffic.
  • D. 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.
  • E. Cairo–Suez Road
    The Cairo–Suez Road is a major Egyptian highway linking Cairo with the city of Suez and serving several satellite and industrial cities along its route.
  • 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_69c687e8cf188190b5f3ecffd681f04e completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6e94ef5cc81908c33adcedf5c5054 completed March 27, 2026, 8:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7bfbb7564819091ce3669380409a1 completed March 28, 2026, 11:47 a.m.
Created at: March 27, 2026, 2:52 p.m.