Triple

T213151
Position Surface form Disambiguated ID Type / Status
Subject Egyptian National Railways network E4759 entity
Predicate mainCorridor P5520 FINISHED
Object Cairo–Suez line
The Cairo–Suez line is a major Egyptian railway route linking the capital Cairo with the strategic port city of Suez on the Red Sea.
E28292 NE FINISHED

How this triple was built (4 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–Suez line | Statement: [Egyptian National Railways network, mainCorridor, Cairo–Suez line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cairo–Suez line
Context triple: [Egyptian National Railways network, mainCorridor, Cairo–Suez line]
  • A. Suez Canal
    The Suez Canal is a man-made waterway in Egypt that links the Mediterranean Sea to the Red Sea, serving as one of the world’s most important shipping routes between Europe and Asia.
  • B. 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.
  • C. Cairo–Alexandria line
    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–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.
  • E. Aswan
    Aswan is a historic city in southern Egypt on the Nile River, known for its ancient temples, quarries, and the nearby Aswan High Dam.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Cairo–Suez line
Triple: [Egyptian National Railways network, mainCorridor, Cairo–Suez line]
Generated description
The Cairo–Suez line is a major Egyptian railway route linking the capital Cairo with the strategic port city of Suez on the Red Sea.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cairo–Suez line
Target entity description: The Cairo–Suez line is a major Egyptian railway route linking the capital Cairo with the strategic port city of Suez on the Red Sea.
  • A. Suez Canal
    The Suez Canal is a man-made waterway in Egypt that links the Mediterranean Sea to the Red Sea, serving as one of the world’s most important shipping routes between Europe and Asia.
  • B. 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.
  • C. Cairo–Alexandria line
    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–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.
  • E. Aswan
    Aswan is a historic city in southern Egypt on the Nile River, known for its ancient temples, quarries, and the nearby Aswan High Dam.
  • F. None of above. chosen

Provenance (5 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_69a2575cb1dc8190a01ad332426dc339 completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a260c3037c8190ba7ddf328f249b74 completed Feb. 28, 2026, 3:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69a34d935eb48190a6f327ae77917d2c completed Feb. 28, 2026, 8:18 p.m.
NEDg Description generation batch_69a34e06b8488190b361506c261baab6 completed Feb. 28, 2026, 8:20 p.m.
NED2 Entity disambiguation (via description) batch_69a34e63883c81908aa5d8d907c37720 completed Feb. 28, 2026, 8:21 p.m.
Created at: Feb. 28, 2026, 2:52 a.m.