Triple
T19624819
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LMS 8F Class |
E471106
|
entity |
| Predicate | usedInCountry |
P715
|
FINISHED |
| Object | Iranian State 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: Iranian State Railways | Statement: [LMS 8F Class, usedInCountry, Iranian State Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Iranian State Railways Context triple: [LMS 8F Class, usedInCountry, Iranian State Railways]
-
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.
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.
-
C.
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.
-
D.
Iraqi Republic Railways
Iraqi Republic Railways is Iraq’s state-owned national railway operator, responsible for managing and operating the country’s rail transport network.
-
E.
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.
- 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_69d8e510fa248190b7afb274a1d4cf73 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e640e92ff48190ae6e6ba2c603d5e7 |
completed | April 20, 2026, 3:06 p.m. |
Created at: April 10, 2026, 1:44 p.m.