Triple
T21478547
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Karachi–Peshawar Railway Line |
E529925
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Pakistan 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: Pakistan Railways | Statement: [Karachi–Peshawar Railway Line, owner, Pakistan Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pakistan Railways Context triple: [Karachi–Peshawar Railway Line, owner, Pakistan Railways]
-
A.
Pakistan Railways network
chosen
The Pakistan Railways network is the state-owned national railway system of Pakistan, encompassing an extensive web of passenger and freight lines that connect major cities, industrial centers, and border regions across the country.
-
B.
Ministry of Railways (Pakistan)
The Ministry of Railways (Pakistan) is the federal government ministry responsible for overseeing, regulating, and developing Pakistan Railways and the country’s rail transport infrastructure.
-
C.
Karachi–Peshawar Railway Line
The Karachi–Peshawar Railway Line is Pakistan’s principal north–south rail corridor, linking the port city of Karachi with Peshawar and connecting major urban and industrial centers along its route.
-
D.
Pakistan Post
Pakistan Post is the state-owned postal and courier service of Pakistan, providing mail, logistics, and financial services across the country.
-
E.
Indian Railways
Indian Railways is India’s state-owned national railway system, operating one of the world’s largest rail networks for passenger and freight transport across the country.
- 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_69e0c45acc3881908e38d3f28964152b |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9ea1951fc8190910f634327aa5c3f |
completed | April 23, 2026, 9:44 a.m. |
Created at: April 16, 2026, 6:20 p.m.