Triple

T15822894
Position Surface form Disambiguated ID Type / Status
Subject Bengaluru railway network E383655 entity
Predicate hasCorridor P5520 FINISHED
Object Bengaluru–Salem line
The Bengaluru–Salem line is a key railway route in southern India that connects the major urban center of Bengaluru with the city of Salem, facilitating regional passenger and freight transport.
E1184231 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: Bengaluru–Salem line | Statement: [Bengaluru railway network, hasCorridor, Bengaluru–Salem line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bengaluru–Salem line
Context triple: [Bengaluru railway network, hasCorridor, Bengaluru–Salem line]
  • A. Chennai–Bangalore line
    The Chennai–Bangalore line is a major Indian Railways trunk route connecting the cities of Chennai in Tamil Nadu and Bengaluru in Karnataka, serving numerous intermediate towns and suburban areas.
  • B. Guntakal–Bengaluru line
    The Guntakal–Bengaluru line is a key railway corridor in southern India connecting the junction town of Guntakal in Andhra Pradesh with the city of Bengaluru in Karnataka.
  • C. Bengaluru–Hubballi line
    The Bengaluru–Hubballi line is a key railway corridor in Karnataka connecting the state capital Bengaluru with the major city of Hubballi, serving as an important route for passenger and freight traffic.
  • D. Bengaluru–Hyderabad line
    The Bengaluru–Hyderabad line is a major Indian Railways route connecting the cities of Bengaluru in Karnataka and Hyderabad in Telangana, serving as a key passenger and freight corridor in southern India.
  • E. Chennai–Coimbatore line
    The Chennai–Coimbatore line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the industrial city of Coimbatore, serving as a key 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: Bengaluru–Salem line
Triple: [Bengaluru railway network, hasCorridor, Bengaluru–Salem line]
Generated description
The Bengaluru–Salem line is a key railway route in southern India that connects the major urban center of Bengaluru with the city of Salem, facilitating regional passenger and freight transport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bengaluru–Salem line
Target entity description: The Bengaluru–Salem line is a key railway route in southern India that connects the major urban center of Bengaluru with the city of Salem, facilitating regional passenger and freight transport.
  • A. Chennai–Bangalore line
    The Chennai–Bangalore line is a major Indian Railways trunk route connecting the cities of Chennai in Tamil Nadu and Bengaluru in Karnataka, serving numerous intermediate towns and suburban areas.
  • B. Guntakal–Bengaluru line
    The Guntakal–Bengaluru line is a key railway corridor in southern India connecting the junction town of Guntakal in Andhra Pradesh with the city of Bengaluru in Karnataka.
  • C. Bengaluru–Hubballi line
    The Bengaluru–Hubballi line is a key railway corridor in Karnataka connecting the state capital Bengaluru with the major city of Hubballi, serving as an important route for passenger and freight traffic.
  • D. Bengaluru–Hyderabad line
    The Bengaluru–Hyderabad line is a major Indian Railways route connecting the cities of Bengaluru in Karnataka and Hyderabad in Telangana, serving as a key passenger and freight corridor in southern India.
  • E. Chennai–Coimbatore line
    The Chennai–Coimbatore line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the industrial city of Coimbatore, serving as a key 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_69d86da34c888190976e06c4019d415a completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e0c4a96b848190845cf547034a24f2 completed April 16, 2026, 11:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffb5997a988190b7965e42d283459a completed May 9, 2026, 10:30 p.m.
NEDg Description generation batch_69ffb6b4dbb0819096920cbbd6e655e3 completed May 9, 2026, 10:35 p.m.
NED2 Entity disambiguation (via description) batch_69ffb72972b48190ac0d4ae8fb7a1a04 completed May 9, 2026, 10:37 p.m.
Created at: April 10, 2026, 4:49 a.m.