Triple

T4795070
Position Surface form Disambiguated ID Type / Status
Subject Nagpur Junction railway station E106690 entity
Predicate isJunctionOn P6309 FINISHED
Object 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.
E485748 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: Nagpur–Itarsi line | Statement: [Nagpur Junction railway station, isJunctionOn, Nagpur–Itarsi line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nagpur–Itarsi line
Context triple: [Nagpur Junction railway station, isJunctionOn, Nagpur–Itarsi line]
  • A. Nagpur–Bhusawal line
    The Nagpur–Bhusawal line is a major railway route in central India that connects Nagpur with Bhusawal, forming an important segment of the Howrah–Mumbai main line.
  • B. 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.
  • C. Nagpur–Secunderabad line
    The Nagpur–Secunderabad line is a major railway route in central and southern India that connects Nagpur in Maharashtra with Secunderabad in Telangana, serving as an important corridor for both passenger and freight traffic.
  • D. Pune–Miraj–Londa line
    The Pune–Miraj–Londa line is a key railway route in western and southern India that connects Maharashtra with Karnataka, serving as an important corridor for both passenger and freight traffic.
  • E. Mumbai–Pune railway line
    The Mumbai–Pune railway line is a major rail corridor in Maharashtra, India, connecting the metropolitan city of Mumbai with the industrial and educational hub of Pune through the Western Ghats.
  • 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: Nagpur–Itarsi line
Triple: [Nagpur Junction railway station, isJunctionOn, Nagpur–Itarsi line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nagpur–Itarsi line
Target entity description: 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.
  • A. Nagpur–Bhusawal line
    The Nagpur–Bhusawal line is a major railway route in central India that connects Nagpur with Bhusawal, forming an important segment of the Howrah–Mumbai main line.
  • B. 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.
  • C. Nagpur–Secunderabad line
    The Nagpur–Secunderabad line is a major railway route in central and southern India that connects Nagpur in Maharashtra with Secunderabad in Telangana, serving as an important corridor for both passenger and freight traffic.
  • D. Pune–Miraj–Londa line
    The Pune–Miraj–Londa line is a key railway route in western and southern India that connects Maharashtra with Karnataka, serving as an important corridor for both passenger and freight traffic.
  • E. Mumbai–Pune railway line
    The Mumbai–Pune railway line is a major rail corridor in Maharashtra, India, connecting the metropolitan city of Mumbai with the industrial and educational hub of Pune through the Western Ghats.
  • 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_69bd43f591c881909e5a532388b0f3f3 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6609e9888190b49f99bb9fb2279d completed March 20, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69be922efb7c8190a7ea9a7c9aa5503d completed March 21, 2026, 12:42 p.m.
NEDg Description generation batch_69be92976ee081909bfd282c17db1612 completed March 21, 2026, 12:44 p.m.
NED2 Entity disambiguation (via description) batch_69be930bc19c8190a2c4716df41446d6 completed March 21, 2026, 12:46 p.m.
Created at: March 20, 2026, 1:22 p.m.