Triple
T18860805
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Saurashtra Railway |
E461305
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object | Dhrangadhra Railway |
—
|
NE NERFINISHED |
How this triple was built (3 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: Dhrangadhra Railway | Statement: [Saurashtra Railway, formedByMergerOf, Dhrangadhra Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dhrangadhra Railway Context triple: [Saurashtra Railway, formedByMergerOf, Dhrangadhra Railway]
-
A.
Chandur Railway
Chandur Railway is a town in the Amravati district of Maharashtra, India, known for its railway junction that serves as a local transport hub.
-
B.
Dhamangaon Railway
Dhamangaon Railway is a town in Maharashtra, India, known primarily as a local railway junction and settlement within the Amravati district.
-
C.
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.
-
D.
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.
-
E.
Rohri–Chaman Railway Line
The Rohri–Chaman Railway Line is a major railway route in Pakistan that connects the interior of Sindh to Balochistan and extends toward the Afghan border, serving as a key corridor for regional transport and trade.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dhrangadhra Railway Target entity description: Dhrangadhra Railway was a former regional railway company in western India that later became part of the larger Saurashtra Railway system.
-
A.
Chandur Railway
Chandur Railway is a town in the Amravati district of Maharashtra, India, known for its railway junction that serves as a local transport hub.
-
B.
Dhamangaon Railway
Dhamangaon Railway is a town in Maharashtra, India, known primarily as a local railway junction and settlement within the Amravati district.
-
C.
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.
-
D.
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.
-
E.
Rohri–Chaman Railway Line
The Rohri–Chaman Railway Line is a major railway route in Pakistan that connects the interior of Sindh to Balochistan and extends toward the Afghan border, serving as a key corridor for regional transport and trade.
- F. None of above. chosen
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_69d8dcfb7b9c8190854e7b171b98ea2e |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c060bfc4819092ac591692a6ccd5 |
completed | April 20, 2026, 5:57 a.m. |
Created at: April 10, 2026, 11:57 a.m.