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.