Triple

T13036617
Position Surface form Disambiguated ID Type / Status
Subject Southern Railway zone E326576 entity
Predicate notableRoute P22 FINISHED
Object Chennai–Bengaluru corridor (part)
The Chennai–Bengaluru corridor is a major high-density rail route in southern India connecting the metropolitan cities of Chennai and Bengaluru, serving as a key passenger and freight link in the region.
E1018630 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: Chennai–Bengaluru corridor (part) | Statement: [Southern Railway zone, notableRoute, Chennai–Bengaluru corridor (part)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chennai–Bengaluru corridor (part)
Context triple: [Southern Railway zone, notableRoute, Chennai–Bengaluru corridor (part)]
  • A. Chennai–Bengaluru Industrial Corridor
    The Chennai–Bengaluru Industrial Corridor is a major infrastructure and economic development project in southern India aimed at boosting manufacturing, logistics, and urban growth between the cities of Chennai and Bengaluru.
  • B. Whitefield–Kengeri corridor
    The Whitefield–Kengeri corridor is a major east–west stretch of Bengaluru’s Namma Metro network connecting the Whitefield area to Kengeri through the city.
  • C. Chennai–Kolkata railway corridor
    The Chennai–Kolkata railway corridor is a major Indian rail route connecting the southeastern metropolis of Chennai with the eastern city of Kolkata, serving as a key artery for passenger and freight transport along the east coast.
  • D. Chennai–Kolkata highway corridor
    The Chennai–Kolkata highway corridor is a major arterial road network in eastern India that connects the southern metropolis of Chennai with the eastern city of Kolkata, facilitating long-distance transport and regional trade.
  • E. Hyderabad–Bangalore route
    The Hyderabad–Bangalore route is a major railway corridor in southern India connecting the cities of Hyderabad in Telangana and Bangalore in Karnataka, passing through key intermediate stations such as Mahbubnagar.
  • 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: Chennai–Bengaluru corridor (part)
Triple: [Southern Railway zone, notableRoute, Chennai–Bengaluru corridor (part)]
Generated description
The Chennai–Bengaluru corridor is a major high-density rail route in southern India connecting the metropolitan cities of Chennai and Bengaluru, serving as a key passenger and freight link in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chennai–Bengaluru corridor (part)
Target entity description: The Chennai–Bengaluru corridor is a major high-density rail route in southern India connecting the metropolitan cities of Chennai and Bengaluru, serving as a key passenger and freight link in the region.
  • A. Chennai–Bengaluru Industrial Corridor
    The Chennai–Bengaluru Industrial Corridor is a major infrastructure and economic development project in southern India aimed at boosting manufacturing, logistics, and urban growth between the cities of Chennai and Bengaluru.
  • B. Whitefield–Kengeri corridor
    The Whitefield–Kengeri corridor is a major east–west stretch of Bengaluru’s Namma Metro network connecting the Whitefield area to Kengeri through the city.
  • C. Chennai–Kolkata railway corridor
    The Chennai–Kolkata railway corridor is a major Indian rail route connecting the southeastern metropolis of Chennai with the eastern city of Kolkata, serving as a key artery for passenger and freight transport along the east coast.
  • D. Chennai–Kolkata highway corridor
    The Chennai–Kolkata highway corridor is a major arterial road network in eastern India that connects the southern metropolis of Chennai with the eastern city of Kolkata, facilitating long-distance transport and regional trade.
  • E. Hyderabad–Bangalore route
    The Hyderabad–Bangalore route is a major railway corridor in southern India connecting the cities of Hyderabad in Telangana and Bangalore in Karnataka, passing through key intermediate stations such as Mahbubnagar.
  • 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_69d8076cc45c81908123123f43e69266 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69d97f2a71a0819098bb6cf8a4b2208a completed April 10, 2026, 10:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6cbd12eec81908ad5dae638c2210e completed May 3, 2026, 4:15 a.m.
NEDg Description generation batch_69f6cdc285788190a05a51295306f087 completed May 3, 2026, 4:23 a.m.
NED2 Entity disambiguation (via description) batch_69f6ceafcca88190bcd65be3c4440987 completed May 3, 2026, 4:27 a.m.
Created at: April 9, 2026, 8:55 p.m.