Triple
T18860803
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Saurashtra Railway |
E461305
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object | Porbandar State 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: Porbandar State Railway | Statement: [Saurashtra Railway, formedByMergerOf, Porbandar State Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Porbandar State Railway Context triple: [Saurashtra Railway, formedByMergerOf, Porbandar State Railway]
-
A.
Bhavnagar State Railway
Bhavnagar State Railway was a former princely state-owned railway system in the Bhavnagar region of present-day Gujarat, India, that later became part of larger regional railway networks.
-
B.
Saurashtra Railway
Saurashtra Railway was a former Indian railway system that operated in the Saurashtra region of present-day Gujarat before being integrated into the Western Railway zone.
-
C.
Porbandar railway station
Porbandar railway station is a key rail terminus in Gujarat, India, serving the coastal city of Porbandar with regional and long-distance train connections.
-
D.
Junagadh State Railway
Junagadh State Railway was a former princely state-owned railway system in the Junagadh region of present-day Gujarat, India, that later became part of the Saurashtra Railway network.
-
E.
Morvi State Railway
Morvi State Railway was a former princely state-owned railway system in the Morvi region of present-day Gujarat, India, that later became part of the larger Saurashtra Railway network.
- 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: Porbandar State Railway Target entity description: Porbandar State Railway was a former princely-state-owned railway system in the Porbandar region of present-day Gujarat, India, that later became part of larger regional railway networks.
-
A.
Bhavnagar State Railway
Bhavnagar State Railway was a former princely state-owned railway system in the Bhavnagar region of present-day Gujarat, India, that later became part of larger regional railway networks.
-
B.
Saurashtra Railway
Saurashtra Railway was a former Indian railway system that operated in the Saurashtra region of present-day Gujarat before being integrated into the Western Railway zone.
-
C.
Porbandar railway station
Porbandar railway station is a key rail terminus in Gujarat, India, serving the coastal city of Porbandar with regional and long-distance train connections.
-
D.
Junagadh State Railway
Junagadh State Railway was a former princely state-owned railway system in the Junagadh region of present-day Gujarat, India, that later became part of the Saurashtra Railway network.
-
E.
Morvi State Railway
Morvi State Railway was a former princely state-owned railway system in the Morvi region of present-day Gujarat, India, that later became part of the larger Saurashtra Railway network.
- 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.