Triple
T11377514
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Railway zone |
E269507
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object |
Nizam State Railway (portion)
Nizam State Railway (portion) refers to the segment of the former Nizam’s State Railway system that was incorporated into India’s Central Railway zone after independence and railway reorganization.
|
E922188
|
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: Nizam State Railway (portion) | Statement: [Central Railway zone, formedByMergerOf, Nizam State Railway (portion)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nizam State Railway (portion) Context triple: [Central Railway zone, formedByMergerOf, Nizam State Railway (portion)]
-
A.
Portions of Oudh and Tirhut Railway
Portions of Oudh and Tirhut Railway refers to sections of a former colonial-era railway system in northern India that were later incorporated into the Indian Railways network, including the Northern Railway zone.
-
B.
East Central Railway
East Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across parts of eastern and central India.
-
C.
West Central Railway
West Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across parts of central India.
-
D.
Hyderabad State Railway
Hyderabad State Railway was a regional railway system in the princely state of Hyderabad, established and operated under the patronage of the Nizam to connect and develop his dominion.
-
E.
Hejaz Railway
The Hejaz Railway was an early 20th-century Ottoman narrow-gauge railway built to connect Damascus with the holy cities of the Hejaz, notably facilitating Muslim pilgrimage to Medina.
- 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: Nizam State Railway (portion) Triple: [Central Railway zone, formedByMergerOf, Nizam State Railway (portion)]
Generated description
Nizam State Railway (portion) refers to the segment of the former Nizam’s State Railway system that was incorporated into India’s Central Railway zone after independence and railway reorganization.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nizam State Railway (portion) Target entity description: Nizam State Railway (portion) refers to the segment of the former Nizam’s State Railway system that was incorporated into India’s Central Railway zone after independence and railway reorganization.
-
A.
Portions of Oudh and Tirhut Railway
Portions of Oudh and Tirhut Railway refers to sections of a former colonial-era railway system in northern India that were later incorporated into the Indian Railways network, including the Northern Railway zone.
-
B.
East Central Railway
East Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across parts of eastern and central India.
-
C.
West Central Railway
West Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across parts of central India.
-
D.
Hyderabad State Railway
Hyderabad State Railway was a regional railway system in the princely state of Hyderabad, established and operated under the patronage of the Nizam to connect and develop his dominion.
-
E.
Hejaz Railway
The Hejaz Railway was an early 20th-century Ottoman narrow-gauge railway built to connect Damascus with the holy cities of the Hejaz, notably facilitating Muslim pilgrimage to Medina.
- 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_69d6aacca1048190b39dbbc2174616fa |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7fc30f5d48190bb273df4c9e583a9 |
completed | April 9, 2026, 7:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e55697b2388190929d7e0b15d809ba |
completed | April 19, 2026, 10:26 p.m. |
| NEDg | Description generation | batch_69e562c8fb948190be87cca65c3b74e1 |
completed | April 19, 2026, 11:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e56aaa5c9081909f89cfe6a8fc03f0 |
completed | April 19, 2026, 11:52 p.m. |
Created at: April 8, 2026, 9:33 p.m.