Triple
T20067252
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Islamic Republic of Iran Railways |
E499639
|
entity |
| Predicate | nativeName |
P15
|
FINISHED |
| Object | راهآهن جمهوری اسلامی ایران |
—
|
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: راهآهن جمهوری اسلامی ایران | Statement: [Islamic Republic of Iran Railways, nativeName, راهآهن جمهوری اسلامی ایران]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: راهآهن جمهوری اسلامی ایران Context triple: [Islamic Republic of Iran Railways, nativeName, راهآهن جمهوری اسلامی ایران]
-
A.
Islamic Republic of Iran Railways
chosen
Islamic Republic of Iran Railways is Iran’s state-owned national railway company responsible for operating and managing the country’s rail transport network.
-
B.
Iranian railway network
The Iranian railway network is a nationwide rail transport system that connects major cities, industrial centers, and border crossings across Iran and links the country to regional and international rail corridors.
-
C.
Tehran Urban and Suburban Railway and Bus Company
Tehran Urban and Suburban Railway and Bus Company is the municipal public transport operator responsible for managing Tehran’s metro and bus systems, including the city’s Bus Rapid Transit network.
-
D.
Tehran–Mashhad railway
The Tehran–Mashhad railway is a major Iranian rail line connecting the capital Tehran with the holy city of Mashhad, serving as one of the country’s busiest passenger and freight corridors.
-
E.
Tehran–IKIA railway connection
The Tehran–IKIA railway connection is a rail link that connects central Tehran with Imam Khomeini International Airport, providing a direct public transit option for air travelers.
- 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_69da627770948190997f486f9a2e370f |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66379f2cc81908f13a7b216878f12 |
completed | April 20, 2026, 5:33 p.m. |
Created at: April 11, 2026, 3:39 p.m.