Triple
T1396927
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Quetta–Chaman railway line |
E30686
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Pakistan Railways |
E160473
|
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: Pakistan Railways | Statement: [Quetta–Chaman railway line, operator, Pakistan Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pakistan Railways Context triple: [Quetta–Chaman railway line, operator, 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.
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.
-
C.
Quetta–Chaman railway line
The Quetta–Chaman railway line is a historic rail route in Balochistan, Pakistan, running from the provincial capital Quetta to the border town of Chaman near Afghanistan and serving as a key strategic and regional transport link.
-
D.
Punjab, Pakistan
Punjab, Pakistan is a populous and agriculturally rich province in eastern Pakistan, known for its cultural heritage, Punjabi language, and role as the country’s political and economic heartland.
-
E.
Etihad Rail network
The Etihad Rail network is the United Arab Emirates’ national railway system designed to link key industrial, commercial, and population centers across the country and connect to wider Gulf rail corridors.
- 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_69a498fd4e408190bd73eca30ea9754c |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c3817320819093067b1444d70b74 |
completed | March 1, 2026, 10:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad0156109081908f163af94e4e7978 |
completed | March 8, 2026, 4:55 a.m. |
Created at: March 1, 2026, 7:59 p.m.