Triple

T23534337
Position Surface form Disambiguated ID Type / Status
Subject Egyptian Company for Metro Management and Operation E576652 entity
Predicate usesInfrastructure P6820 FINISHED
Object Cairo Metro depots NE NERFINISHED

How this triple was built (3 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: Cairo Metro depots | Statement: [Egyptian Company for Metro Management and Operation, usesInfrastructure, Cairo Metro depots]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cairo Metro depots
Context triple: [Egyptian Company for Metro Management and Operation, usesInfrastructure, Cairo Metro depots]
  • A. Cairo Metro Line 3
    Cairo Metro Line 3 is a major east–west rapid transit line in Cairo’s metro system, linking key districts and serving as an important interchange route across the city.
  • B. Cairo Metro Line 2
    Cairo Metro Line 2 is a major rapid transit line in Cairo’s metro system that runs roughly north–south through the city, connecting key districts and central hubs.
  • C. Cairo Metro system
    The Cairo Metro system is Egypt’s primary rapid transit network serving Greater Cairo, known as the first full-fledged metro system in Africa and the Arab world.
  • D. Cairo rail network
    The Cairo rail network is the metropolitan railway system serving Greater Cairo, linking the city’s districts and suburbs with regional and national rail lines.
  • E. Cairo University station
    Cairo University station is a metro station in Giza, Egypt, serving the Cairo Metro network and providing access to Cairo University and its surrounding area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cairo Metro depots
Target entity description: Cairo Metro depots are specialized maintenance and storage facilities that support the operation, servicing, and housing of trains on the Cairo Metro network.
  • A. Cairo Metro Line 3
    Cairo Metro Line 3 is a major east–west rapid transit line in Cairo’s metro system, linking key districts and serving as an important interchange route across the city.
  • B. Cairo Metro Line 2
    Cairo Metro Line 2 is a major rapid transit line in Cairo’s metro system that runs roughly north–south through the city, connecting key districts and central hubs.
  • C. Cairo Metro system chosen
    The Cairo Metro system is Egypt’s primary rapid transit network serving Greater Cairo, known as the first full-fledged metro system in Africa and the Arab world.
  • D. Cairo rail network
    The Cairo rail network is the metropolitan railway system serving Greater Cairo, linking the city’s districts and suburbs with regional and national rail lines.
  • E. Cairo University station
    Cairo University station is a metro station in Giza, Egypt, serving the Cairo Metro network and providing access to Cairo University and its surrounding area.
  • F. None of above.

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_69e245f5a8848190a2ba42e271c6c31f completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f1ae14ae3c8190aa2714ea07a4658a completed April 29, 2026, 7:07 a.m.
Created at: April 17, 2026, 6:10 p.m.