Triple
T6932679
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pakistan Railways network |
E160473
|
entity |
| Predicate | hasMainCorridor |
P5520
|
FINISHED |
| Object | Karachi–Peshawar Railway Line |
E529925
|
NE FINISHED |
How this triple was built (3 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: Karachi–Peshawar Railway Line | Statement: [Pakistan Railways network, hasMainCorridor, Karachi–Peshawar Railway Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Karachi–Peshawar Railway Line Context triple: [Pakistan Railways network, hasMainCorridor, Karachi–Peshawar Railway Line]
-
A.
Karachi–Peshawar Railway Line
chosen
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.
-
B.
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.
-
C.
Khyber Pass Railway
The Khyber Pass Railway is a historic narrow-gauge railway line in Pakistan that dramatically winds through the mountainous Khyber Pass near the Afghan border, famed for its engineering feats of tunnels, bridges, and steep gradients.
-
D.
Ambala–Attari line
The Ambala–Attari line is a major railway route in northern India that connects Ambala in Haryana to Attari near the India–Pakistan border, serving as an important corridor for both passenger and freight traffic.
-
E.
Pakistan Railways network
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasMainCorridor Context triple: [Pakistan Railways network, hasMainCorridor, Karachi–Peshawar Railway Line]
-
A.
hasCorridor
chosen
Indicates that one entity includes, is connected by, or provides access through a corridor to another entity.
-
B.
hasMainHall
Indicates that an entity possesses or includes a primary or central hall as a significant internal space.
-
C.
hasMainHallType
Indicates the specific category or kind of main hall associated with an entity.
-
D.
isMostHeavilyTraveledCorridorIn
Indicates that a particular route or corridor experiences the highest volume of travel or traffic within a specified area or region.
-
E.
corridorType
Indicates the specific kind or classification of a corridor associated with an entity or location.
- F. None of above.
Provenance (4 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_69c6884e15208190b9e91487eaafcf85 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e0c74fe48190aeaa018631e52ef6 |
completed | March 27, 2026, 7:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7514b0dd8819097a3fa1a38c913f4 |
completed | March 28, 2026, 3:55 a.m. |
| PD | Predicate disambiguation | batch_69c6d7bd5a388190a57a96d925696ff6 |
completed | March 27, 2026, 7:17 p.m. |
Created at: March 27, 2026, 2:27 p.m.