Triple
T2440387
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Khyber Pass |
E53258
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object |
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.
|
E266757
|
NE FINISHED |
How this triple was built (4 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: Khyber Pass Railway | Statement: [Khyber Pass, crossedBy, Khyber Pass Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Khyber Pass Railway Context triple: [Khyber Pass, crossedBy, Khyber Pass Railway]
-
A.
Lowari Tunnel
Lowari Tunnel is a strategic road tunnel in Pakistan that provides a safer, all-weather route through the mountainous Lowari Pass, improving connectivity between Chitral and the rest of the country.
-
B.
Bala Lake Railway
Bala Lake Railway is a narrow-gauge heritage railway in Gwynedd, Wales, that runs along the southern shore of Llyn Tegid (Bala Lake), offering scenic tourist rides on historic trains.
-
C.
Chenab Rail Bridge
The Chenab Rail Bridge is a steel and concrete arch railway bridge in Jammu and Kashmir, India, renowned as one of the world’s highest railway bridges.
-
D.
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.
-
E.
Shela Bagh Tunnel
Shela Bagh Tunnel is a historic railway tunnel in Balochistan, Pakistan, known as one of the longest and most significant tunnels on the region’s mountainous rail routes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Khyber Pass Railway Triple: [Khyber Pass, crossedBy, Khyber Pass Railway]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Khyber Pass Railway Target entity description: 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.
-
A.
Lowari Tunnel
Lowari Tunnel is a strategic road tunnel in Pakistan that provides a safer, all-weather route through the mountainous Lowari Pass, improving connectivity between Chitral and the rest of the country.
-
B.
Bala Lake Railway
Bala Lake Railway is a narrow-gauge heritage railway in Gwynedd, Wales, that runs along the southern shore of Llyn Tegid (Bala Lake), offering scenic tourist rides on historic trains.
-
C.
Chenab Rail Bridge
The Chenab Rail Bridge is a steel and concrete arch railway bridge in Jammu and Kashmir, India, renowned as one of the world’s highest railway bridges.
-
D.
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.
-
E.
Shela Bagh Tunnel
Shela Bagh Tunnel is a historic railway tunnel in Balochistan, Pakistan, known as one of the longest and most significant tunnels on the region’s mountainous rail routes.
- F. None of above. chosen
Provenance (5 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_69ab495b6dac8190ac82661aa1452222 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abc9f7ba208190810f8ea115110375 |
completed | March 7, 2026, 6:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aef0b3f7188190911f2db0ef2200cc |
completed | March 9, 2026, 4:09 p.m. |
| NEDg | Description generation | batch_69aef3752d6c8190b32d99418c0bfdc8 |
completed | March 9, 2026, 4:21 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69aef433a83c8190b20a3a278204badd |
completed | March 9, 2026, 4:24 p.m. |
Created at: March 6, 2026, 9:43 p.m.