Triple
T6204166
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cairo Metro Line 1 |
E138707
|
entity |
| Predicate | system |
P730
|
FINISHED |
| Object | Cairo Metro |
E534942
|
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: Cairo Metro | Statement: [Cairo Metro Line 1, system, Cairo Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cairo Metro Context triple: [Cairo Metro Line 1, system, Cairo Metro]
-
A.
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.
-
B.
Cairo Metro Line 1
Cairo Metro Line 1 is the first and one of the main rapid transit lines in Cairo’s metro system, connecting key districts across the city and serving central areas such as downtown near Tahrir Square.
-
C.
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.
-
D.
Abu Qir suburban line
The Abu Qir suburban line is a commuter rail service in Alexandria, Egypt, providing frequent local train connections between central Alexandria and its northeastern suburbs along the Mediterranean coast.
-
E.
Dubai Metro
The Dubai Metro is a fully automated, driverless urban rail network that serves as a major public transportation backbone across key areas of Dubai.
- 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_69c008acbea48190991c6b834bb45d65 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0626c23f481909d2b5b0a75c2ffff |
completed | March 22, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c518ff27848190817ad516cf62c619 |
completed | March 26, 2026, 11:31 a.m. |
Created at: March 22, 2026, 4:20 p.m.