Triple

T19966683
Position Surface form Disambiguated ID Type / Status
Subject South East Central Railway zone E479952 entity
Predicate hasRailCorridor P58937 FINISHED
Object Raipur–Nagpur line segment
The Raipur–Nagpur line segment is a key railway corridor in central India connecting Raipur in Chhattisgarh with Nagpur in Maharashtra, facilitating major passenger and freight movement across the region.
E1411205 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: Raipur–Nagpur line segment | Statement: [South East Central Railway zone, hasRailCorridor, Raipur–Nagpur line segment]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Raipur–Nagpur line segment
Context triple: [South East Central Railway zone, hasRailCorridor, Raipur–Nagpur line segment]
  • A. Nagpur–Bilaspur line
    The Nagpur–Bilaspur line is a key railway route in central India that connects Nagpur in Maharashtra with Bilaspur in Chhattisgarh, forming part of an important east–west rail corridor.
  • B. Jabalpur–Nainpur–Gondia line
    The Jabalpur–Nainpur–Gondia line is a railway route in central India that connects Jabalpur in Madhya Pradesh with Gondia in Maharashtra, serving as an important regional link for passenger and freight traffic.
  • C. Damoh–Katni line
    The Damoh–Katni line is a railway route in the Indian state of Madhya Pradesh that connects the towns of Damoh and Katni as part of the regional rail network.
  • D. Jabalpur–Nagpur section
    The Jabalpur–Nagpur section is a key railway line in central India that connects the cities of Jabalpur in Madhya Pradesh and Nagpur in Maharashtra, serving as an important route for both passenger and freight trains.
  • E. Nagpur–Itarsi line
    The Nagpur–Itarsi line is a major railway route in central India that connects Nagpur in Maharashtra with Itarsi in Madhya Pradesh, serving as an important corridor for both passenger and freight traffic.
  • 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: Raipur–Nagpur line segment
Triple: [South East Central Railway zone, hasRailCorridor, Raipur–Nagpur line segment]
Generated description
The Raipur–Nagpur line segment is a key railway corridor in central India connecting Raipur in Chhattisgarh with Nagpur in Maharashtra, facilitating major passenger and freight movement across the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Raipur–Nagpur line segment
Target entity description: The Raipur–Nagpur line segment is a key railway corridor in central India connecting Raipur in Chhattisgarh with Nagpur in Maharashtra, facilitating major passenger and freight movement across the region.
  • A. Nagpur–Bilaspur line
    The Nagpur–Bilaspur line is a key railway route in central India that connects Nagpur in Maharashtra with Bilaspur in Chhattisgarh, forming part of an important east–west rail corridor.
  • B. Jabalpur–Nainpur–Gondia line
    The Jabalpur–Nainpur–Gondia line is a railway route in central India that connects Jabalpur in Madhya Pradesh with Gondia in Maharashtra, serving as an important regional link for passenger and freight traffic.
  • C. Damoh–Katni line
    The Damoh–Katni line is a railway route in the Indian state of Madhya Pradesh that connects the towns of Damoh and Katni as part of the regional rail network.
  • D. Jabalpur–Nagpur section
    The Jabalpur–Nagpur section is a key railway line in central India that connects the cities of Jabalpur in Madhya Pradesh and Nagpur in Maharashtra, serving as an important route for both passenger and freight trains.
  • E. Nagpur–Itarsi line
    The Nagpur–Itarsi line is a major railway route in central India that connects Nagpur in Maharashtra with Itarsi in Madhya Pradesh, serving as an important corridor for both passenger and freight traffic.
  • 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_69d8e523c19881909f9197037200dde6 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e65bc5e41881908c1e8867820f1c0c completed April 20, 2026, 5 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0826f62a248190b8c6bb456ca6d519 completed May 16, 2026, 8:12 a.m.
NEDg Description generation batch_6a0827e191688190bc8edf89d4731989 completed May 16, 2026, 8:16 a.m.
NED2 Entity disambiguation (via description) batch_6a08284513a88190bead3da8ba7890dd completed May 16, 2026, 8:18 a.m.
Created at: April 10, 2026, 1:54 p.m.