Triple
T14005208
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kangra Valley |
E336927
|
entity |
| Predicate | hasNearbyRailwayLine |
P25143
|
FINISHED |
| Object |
Kangra Valley Railway
Kangra Valley Railway is a narrow-gauge mountain railway in Himachal Pradesh, India, known for its scenic route through the Himalayan foothills and its status as a historic engineering feat.
|
E1081811
|
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: Kangra Valley Railway | Statement: [Kangra Valley, hasNearbyRailwayLine, Kangra Valley Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kangra Valley Railway Context triple: [Kangra Valley, hasNearbyRailwayLine, Kangra Valley Railway]
-
A.
Kalka–Shimla Railway
The Kalka–Shimla Railway is a historic narrow-gauge mountain railway in India, renowned for its scenic Himalayan route and UNESCO World Heritage status.
-
B.
Nilgiri Mountain Railway
The Nilgiri Mountain Railway is a historic narrow-gauge railway in southern India, famed for its steep rack-and-pinion route through the Nilgiri Hills and its designation as a UNESCO World Heritage Site.
-
C.
Darjeeling Himalayan Railway
The Darjeeling Himalayan Railway is a historic narrow-gauge mountain railway in India, famed for its scenic route through the Himalayas and its iconic steam-powered "toy train."
-
D.
Mountain Railways of India
Mountain Railways of India is a UNESCO World Heritage collective designation for several historic narrow-gauge railway lines built in the rugged hill regions of India, renowned for their engineering ingenuity and scenic routes.
-
E.
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.
- 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: Kangra Valley Railway Triple: [Kangra Valley, hasNearbyRailwayLine, Kangra Valley Railway]
Generated description
Kangra Valley Railway is a narrow-gauge mountain railway in Himachal Pradesh, India, known for its scenic route through the Himalayan foothills and its status as a historic engineering feat.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kangra Valley Railway Target entity description: Kangra Valley Railway is a narrow-gauge mountain railway in Himachal Pradesh, India, known for its scenic route through the Himalayan foothills and its status as a historic engineering feat.
-
A.
Kalka–Shimla Railway
The Kalka–Shimla Railway is a historic narrow-gauge mountain railway in India, renowned for its scenic Himalayan route and UNESCO World Heritage status.
-
B.
Nilgiri Mountain Railway
The Nilgiri Mountain Railway is a historic narrow-gauge railway in southern India, famed for its steep rack-and-pinion route through the Nilgiri Hills and its designation as a UNESCO World Heritage Site.
-
C.
Darjeeling Himalayan Railway
The Darjeeling Himalayan Railway is a historic narrow-gauge mountain railway in India, famed for its scenic route through the Himalayas and its iconic steam-powered "toy train."
-
D.
Mountain Railways of India
Mountain Railways of India is a UNESCO World Heritage collective designation for several historic narrow-gauge railway lines built in the rugged hill regions of India, renowned for their engineering ingenuity and scenic routes.
-
E.
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.
- 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_69d81c645c5c8190b1fd16a285a1b78a |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2ed1d2548190bb46d6b7cba4ffde |
completed | April 14, 2026, 12:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcdef5e0648190ace4ec1605968e30 |
completed | May 7, 2026, 6:50 p.m. |
| NEDg | Description generation | batch_69fcdfd372e0819089f0b48f84a63ab4 |
completed | May 7, 2026, 6:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fce027c628819085738433b5d5525d |
completed | May 7, 2026, 6:55 p.m. |
Created at: April 9, 2026, 10:19 p.m.