Triple
T21674961
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cairo Metro |
E534942
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Egyptian National Railways |
—
|
NE NERFINISHED |
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: Egyptian National Railways | Statement: [Cairo Metro, connectsTo, Egyptian National Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Egyptian National Railways Context triple: [Cairo Metro, connectsTo, Egyptian National Railways]
-
A.
Egyptian National Railways network
chosen
The Egyptian National Railways network is Egypt’s state-owned national railway system, providing passenger and freight rail services that connect major cities and regions across the country.
-
B.
Cairo Electric Railways and Heliopolis Oases Company
Cairo Electric Railways and Heliopolis Oases Company was an early 20th-century urban development and transport company responsible for building and operating the tramway network and real estate projects in the Heliopolis suburb of Cairo, Egypt.
-
C.
Saudi Railways Organization
The Saudi Railways Organization is a Saudi government entity responsible for developing, operating, and overseeing key railway infrastructure and services in the Kingdom.
-
D.
Ethiopian Railway Corporation
The Ethiopian Railway Corporation is a state-owned company responsible for developing, managing, and operating Ethiopia’s national railway network.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c46898008190aa618a4af55bd1ee |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ef8a0ed5388190b8f1932fb3f11c6a |
completed | April 27, 2026, 4:08 p.m. |
Created at: April 16, 2026, 6:41 p.m.