Triple

T4611777
Position Surface form Disambiguated ID Type / Status
Subject Pandoh Dam E100573 entity
Predicate feedsCanalOrTunnelSystem P50048 FINISHED
Object Sundernagar–Dehar tunnel
The Sundernagar–Dehar tunnel is a key water-conveyance tunnel in Himachal Pradesh, India, that channels water from the Pandoh Dam as part of the Beas–Sutlej Link hydropower and irrigation system.
E456120 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: Sundernagar–Dehar tunnel | Statement: [Pandoh Dam, feedsCanalOrTunnelSystem, Sundernagar–Dehar tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sundernagar–Dehar tunnel
Context triple: [Pandoh Dam, feedsCanalOrTunnelSystem, Sundernagar–Dehar tunnel]
  • A. 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.
  • B. 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.
  • C. Tenda road tunnel
    The Tenda road tunnel is a major Alpine tunnel connecting France and Italy beneath the Col de Tende, facilitating cross-border road traffic through the Maritime Alps.
  • D. Pandoh–Baggi tunnel
    The Pandoh–Baggi tunnel is a key water-conveyance tunnel in Himachal Pradesh, India, that channels diverted Beas River waters from the Pandoh Dam toward downstream hydroelectric and irrigation systems.
  • E. Wawona Tunnel
    Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
  • 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: Sundernagar–Dehar tunnel
Triple: [Pandoh Dam, feedsCanalOrTunnelSystem, Sundernagar–Dehar tunnel]
Generated description
The Sundernagar–Dehar tunnel is a key water-conveyance tunnel in Himachal Pradesh, India, that channels water from the Pandoh Dam as part of the Beas–Sutlej Link hydropower and irrigation system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sundernagar–Dehar tunnel
Target entity description: The Sundernagar–Dehar tunnel is a key water-conveyance tunnel in Himachal Pradesh, India, that channels water from the Pandoh Dam as part of the Beas–Sutlej Link hydropower and irrigation system.
  • A. 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.
  • B. 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.
  • C. Tenda road tunnel
    The Tenda road tunnel is a major Alpine tunnel connecting France and Italy beneath the Col de Tende, facilitating cross-border road traffic through the Maritime Alps.
  • D. Pandoh–Baggi tunnel chosen
    The Pandoh–Baggi tunnel is a key water-conveyance tunnel in Himachal Pradesh, India, that channels diverted Beas River waters from the Pandoh Dam toward downstream hydroelectric and irrigation systems.
  • E. Wawona Tunnel
    Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
  • F. None of above.

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_69bd43cce1e08190a07d53af6a9b6c24 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd6234e8108190b985270b9ddd1f3a completed March 20, 2026, 3:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69be1029dc8c81908ec7d0ddd23428b4 completed March 21, 2026, 3:27 a.m.
NEDg Description generation batch_69be14d512a8819089290ea6a976107c completed March 21, 2026, 3:47 a.m.
NED2 Entity disambiguation (via description) batch_69be152953b0819097be26727c534aa1 completed March 21, 2026, 3:48 a.m.
Created at: March 20, 2026, 1:12 p.m.