Triple
T6470431
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cairo Metro Line 3 (via nearby stations and shuttle) |
E142334
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | National Authority for Tunnels (Cairo Metro operator) |
E534944
|
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: National Authority for Tunnels (Cairo Metro operator) | Statement: [Cairo Metro Line 3 (via nearby stations and shuttle), operator, National Authority for Tunnels (Cairo Metro operator)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Authority for Tunnels (Cairo Metro operator) Context triple: [Cairo Metro Line 3 (via nearby stations and shuttle), operator, National Authority for Tunnels (Cairo Metro operator)]
-
A.
Egyptian Company for Metro Management and Operation
The Egyptian Company for Metro Management and Operation is the state-owned enterprise responsible for running and maintaining Cairo’s urban metro network.
-
B.
Egyptian National Authority for Tunnels
chosen
The Egyptian National Authority for Tunnels is a government agency responsible for planning, constructing, and managing Egypt’s major tunnel and urban rail projects, including metro and rapid transit systems.
-
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.
Ministry of Transport of Egypt
The Ministry of Transport of Egypt is the government body responsible for planning, regulating, and overseeing Egypt’s national transportation systems, including railways, roads, and maritime infrastructure.
-
E.
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.
- 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_69c008d3bf4c8190bcf798c5ba9d6fb3 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c06a2e896481908ed004e3b0a33121 |
completed | March 22, 2026, 10:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6539c93c481909bed35b68ce420d8 |
completed | March 27, 2026, 9:53 a.m. |
Created at: March 22, 2026, 4:50 p.m.