Triple
T4738334
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northern Railway zone |
E105178
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object |
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.
|
E465594
|
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: Portions of Oudh and Tirhut Railway | Statement: [Northern Railway zone, formedByMergerOf, Portions of Oudh and Tirhut Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portions of Oudh and Tirhut Railway Context triple: [Northern Railway zone, formedByMergerOf, Portions of Oudh and Tirhut Railway]
-
A.
Agra–Bandikui–Jaipur line
The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both passenger and freight traffic.
-
B.
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.
-
C.
Gwalior Light Railway
Gwalior Light Railway is a historic narrow-gauge railway network in central India, originally built to serve the princely state of Gwalior and noted for its extensive rural reach and heritage value.
-
D.
Agra–Gwalior–Jhansi line
The Agra–Gwalior–Jhansi line is a key railway route in northern India that connects the historic cities of Agra, Gwalior, and Jhansi, serving as an important corridor for both passenger and freight traffic.
-
E.
Agra railway division
Agra railway division is an administrative unit of Indian Railways responsible for managing railway operations and infrastructure in and around the Agra region.
- 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: Portions of Oudh and Tirhut Railway Triple: [Northern Railway zone, formedByMergerOf, Portions of Oudh and Tirhut Railway]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Portions of Oudh and Tirhut Railway Target entity description: 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.
-
A.
Agra–Bandikui–Jaipur line
The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both passenger and freight traffic.
-
B.
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.
-
C.
Gwalior Light Railway
Gwalior Light Railway is a historic narrow-gauge railway network in central India, originally built to serve the princely state of Gwalior and noted for its extensive rural reach and heritage value.
-
D.
Agra–Gwalior–Jhansi line
The Agra–Gwalior–Jhansi line is a key railway route in northern India that connects the historic cities of Agra, Gwalior, and Jhansi, serving as an important corridor for both passenger and freight traffic.
-
E.
Agra railway division
Agra railway division is an administrative unit of Indian Railways responsible for managing railway operations and infrastructure in and around the Agra region.
- 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_69bd43ee52048190b81a4f066534ffb3 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6485d690819098dc4a974516da6b |
completed | March 20, 2026, 3:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be10b8e7ec81908cc1ec9b94a6bee4 |
completed | March 21, 2026, 3:30 a.m. |
| NEDg | Description generation | batch_69be1a2de8e08190b26f206434eb9502 |
completed | March 21, 2026, 4:10 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be1a94d8b8819092f7a273cc19ebe9 |
completed | March 21, 2026, 4:12 a.m. |
Created at: March 20, 2026, 1:19 p.m.