Triple
T21032754
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shimla district |
E518103
|
entity |
| Predicate | UNESCOWorldHeritageSiteWithin |
P10482
|
FINISHED |
| Object | Kalka–Shimla Railway |
—
|
NE NERFINISHED |
How this triple was built (2 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: Kalka–Shimla Railway | Statement: [Shimla district, UNESCOWorldHeritageSiteWithin, Kalka–Shimla Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kalka–Shimla Railway Context triple: [Shimla district, UNESCOWorldHeritageSiteWithin, Kalka–Shimla Railway]
-
A.
Kalka–Shimla Railway
chosen
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.
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.
-
C.
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.
-
D.
Delhi–Kalka railway line
The Delhi–Kalka railway line is a historic rail route in northern India that connects the national capital region with Kalka, serving as the main gateway to the Kalka–Shimla Himalayan railway and the hill stations of Himachal Pradesh.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b503275c8190afd9a163f997c709 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e6fc83828c81909c1ec745c0313c9f |
completed | April 21, 2026, 4:26 a.m. |
Created at: April 16, 2026, 1:56 p.m.