Triple

T11377533
Position Surface form Disambiguated ID Type / Status
Subject Central Railway zone E269507 entity
Predicate hasRoute P4374 FINISHED
Object Mumbai–Nagpur line
The Mumbai–Nagpur line is a major Indian railway route connecting the western metropolis of Mumbai with the central city of Nagpur, serving as a key corridor for passenger and freight traffic across Maharashtra.
E941278 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: Mumbai–Nagpur line | Statement: [Central Railway zone, hasRoute, Mumbai–Nagpur line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mumbai–Nagpur line
Context triple: [Central Railway zone, hasRoute, Mumbai–Nagpur line]
  • A. 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.
  • B. 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.
  • C. Howrah–Nagpur–Mumbai line
    The Howrah–Nagpur–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Nagpur, serving as a key corridor for both passenger and freight traffic across central India.
  • D. Mumbai–Chennai line
    The Mumbai–Chennai line is a major Indian Railways trunk route connecting the western metropolis of Mumbai with the southern city of Chennai, passing through key junctions across Maharashtra, Karnataka, Andhra Pradesh, and Tamil Nadu.
  • 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: Mumbai–Nagpur line
Triple: [Central Railway zone, hasRoute, Mumbai–Nagpur line]
Generated description
The Mumbai–Nagpur line is a major Indian railway route connecting the western metropolis of Mumbai with the central city of Nagpur, serving as a key corridor for passenger and freight traffic across Maharashtra.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mumbai–Nagpur line
Target entity description: The Mumbai–Nagpur line is a major Indian railway route connecting the western metropolis of Mumbai with the central city of Nagpur, serving as a key corridor for passenger and freight traffic across Maharashtra.
  • A. 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.
  • B. 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.
  • C. Howrah–Nagpur–Mumbai line
    The Howrah–Nagpur–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Nagpur, serving as a key corridor for both passenger and freight traffic across central India.
  • D. Mumbai–Chennai line
    The Mumbai–Chennai line is a major Indian Railways trunk route connecting the western metropolis of Mumbai with the southern city of Chennai, passing through key junctions across Maharashtra, Karnataka, Andhra Pradesh, and Tamil Nadu.
  • 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_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_69ef8201715c819090cbd7c1e3068bdd completed April 27, 2026, 3:34 p.m.
NEDg Description generation batch_69ef96ab29d48190b225504856007384 completed April 27, 2026, 5:02 p.m.
NED2 Entity disambiguation (via description) batch_69efd64bfa7081909715aa64d80fadf3 completed April 27, 2026, 9:34 p.m.
Created at: April 8, 2026, 9:33 p.m.