Triple

T1396955
Position Surface form Disambiguated ID Type / Status
Subject Quetta–Chaman railway line E30686 entity
Predicate hasStructure P35 FINISHED
Object 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.
E160480 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: Shela Bagh Tunnel | Statement: [Quetta–Chaman railway line, hasStructure, Shela Bagh Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shela Bagh Tunnel
Context triple: [Quetta–Chaman railway line, hasStructure, Shela Bagh Tunnel]
  • A. Malinta Tunnel
    Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
  • B. Al Shindagha Tunnel
    Al Shindagha Tunnel is a major underwater road tunnel in Dubai that carries vehicular traffic beneath Dubai Creek, connecting the historic districts of the city.
  • C. Shandur Pass
    Shandur Pass is a high-altitude mountain pass in northern Pakistan famed for its annual polo festival held on one of the world’s highest polo grounds.
  • D. Khyber Pass
    Khyber Pass is a historically significant mountain pass in the Hindu Kush range that has long served as a key trade and invasion route between Central Asia and the Indian subcontinent.
  • E. Lowari Pass
    Lowari Pass is a high mountain pass in northern Pakistan that connects the Chitral region with the rest of Khyber Pakhtunkhwa through the Hindu Kush range.
  • 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: Shela Bagh Tunnel
Triple: [Quetta–Chaman railway line, hasStructure, Shela Bagh Tunnel]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Shela Bagh Tunnel
Target entity description: 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.
  • A. Malinta Tunnel
    Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
  • B. Al Shindagha Tunnel
    Al Shindagha Tunnel is a major underwater road tunnel in Dubai that carries vehicular traffic beneath Dubai Creek, connecting the historic districts of the city.
  • C. Shandur Pass
    Shandur Pass is a high-altitude mountain pass in northern Pakistan famed for its annual polo festival held on one of the world’s highest polo grounds.
  • D. Khyber Pass
    Khyber Pass is a historically significant mountain pass in the Hindu Kush range that has long served as a key trade and invasion route between Central Asia and the Indian subcontinent.
  • E. Lowari Pass
    Lowari Pass is a high mountain pass in northern Pakistan that connects the Chitral region with the rest of Khyber Pakhtunkhwa through the Hindu Kush range.
  • 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_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_69acde310f748190a5c58caf4fbaa5c5 completed March 8, 2026, 2:25 a.m.
NEDg Description generation batch_69acdee073fc819098c906d91870b317 completed March 8, 2026, 2:28 a.m.
NED2 Entity disambiguation (via description) batch_69ace0a7ddc08190a44be1707587351b completed March 8, 2026, 2:36 a.m.
Created at: March 1, 2026, 7:59 p.m.