Triple
T4614839
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Western Railway zone |
E100842
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object |
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.
|
E461305
|
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: Saurashtra Railway | Statement: [Western Railway zone, formedByMergerOf, Saurashtra Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Saurashtra Railway Context triple: [Western Railway zone, formedByMergerOf, Saurashtra Railway]
-
A.
Bombay, Baroda and Central India Railway
The Bombay, Baroda and Central India Railway was a major British-era Indian railway company that operated extensive routes in western and central India before being absorbed into the Western Railway zone after independence.
-
B.
Ahmedabad–Bhavnagar line
The Ahmedabad–Bhavnagar line is a railway route in the Indian state of Gujarat that connects the major city of Ahmedabad with the coastal city of Bhavnagar, serving as an important regional transport corridor.
-
C.
Ahmedabad–Rajkot line
The Ahmedabad–Rajkot line is a key railway route in the Indian state of Gujarat that connects the major cities of Ahmedabad and Rajkot, facilitating both passenger and freight transport.
-
D.
Ahmedabad–Vadodara line
The Ahmedabad–Vadodara line is a key railway corridor in the Indian state of Gujarat that connects the major cities of Ahmedabad and Vadodara and forms part of the busy Western Railway network.
-
E.
Ahmedabad railway division
Ahmedabad railway division is a key administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Ahmedabad in the state of Gujarat.
- 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: Saurashtra Railway Triple: [Western Railway zone, formedByMergerOf, Saurashtra Railway]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Saurashtra Railway Target entity description: 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.
-
A.
Bombay, Baroda and Central India Railway
The Bombay, Baroda and Central India Railway was a major British-era Indian railway company that operated extensive routes in western and central India before being absorbed into the Western Railway zone after independence.
-
B.
Ahmedabad–Bhavnagar line
The Ahmedabad–Bhavnagar line is a railway route in the Indian state of Gujarat that connects the major city of Ahmedabad with the coastal city of Bhavnagar, serving as an important regional transport corridor.
-
C.
Ahmedabad–Rajkot line
The Ahmedabad–Rajkot line is a key railway route in the Indian state of Gujarat that connects the major cities of Ahmedabad and Rajkot, facilitating both passenger and freight transport.
-
D.
Ahmedabad–Vadodara line
The Ahmedabad–Vadodara line is a key railway corridor in the Indian state of Gujarat that connects the major cities of Ahmedabad and Vadodara and forms part of the busy Western Railway network.
-
E.
Ahmedabad railway division
Ahmedabad railway division is a key administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Ahmedabad in the state of Gujarat.
- 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_69bd43cf363c819087fd5ab441b4a3f4 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd59c3d9ec8190a50ef03627dc351d |
completed | March 20, 2026, 2:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be035629248190a8723b5f1f9e57bc |
completed | March 21, 2026, 2:32 a.m. |
| NEDg | Description generation | batch_69be04ad843c8190b3c8dfa4a46e727b |
completed | March 21, 2026, 2:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be0529868c8190b20e8966315b263a |
completed | March 21, 2026, 2:40 a.m. |
Created at: March 20, 2026, 1:12 p.m.