Triple

T1384497
Position Surface form Disambiguated ID Type / Status
Subject Allahabad E29812 entity
Predicate partOfCorridor P840 FINISHED
Object Delhi–Kolkata rail corridor
The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
 E157731 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: Delhi–Kolkata rail corridor | Statement: [Allahabad, partOfCorridor, Delhi–Kolkata rail corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Delhi–Kolkata rail corridor
Context triple: [Allahabad, partOfCorridor, Delhi–Kolkata rail corridor]
  • A. Konkan Railway corridor
    The Konkan Railway corridor is a major railway line running along India’s Konkan coast, known for its engineering feats through rugged terrain and its role in connecting Maharashtra, Goa, and Karnataka.
  • B. Delhi–Meerut Expressway
    The Delhi–Meerut Expressway is a high-speed, access-controlled highway in northern India designed to significantly reduce travel time and improve connectivity between Delhi and the city of Meerut.
  • C. Bundelkhand Expressway
    Bundelkhand Expressway is a major access-controlled highway in India that connects the Bundelkhand region to key economic and administrative centers in Uttar Pradesh, improving regional connectivity and development.
  • D. Purvanchal Expressway
    Purvanchal Expressway is a major access-controlled expressway in northern India that enhances connectivity across eastern Uttar Pradesh, linking rural regions with key urban and economic centers.
  • E. Agra–Lucknow Expressway
    The Agra–Lucknow Expressway is a major six-lane, access-controlled expressway in India that significantly reduces travel time between Agra and the state capital Lucknow and serves as a key transport and economic corridor in Uttar Pradesh.
  • 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: Delhi–Kolkata rail corridor
Triple: [Allahabad, partOfCorridor, Delhi–Kolkata rail corridor]
Generated description
The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Delhi–Kolkata rail corridor
Target entity description: The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
  • A. Konkan Railway corridor
    The Konkan Railway corridor is a major railway line running along India’s Konkan coast, known for its engineering feats through rugged terrain and its role in connecting Maharashtra, Goa, and Karnataka.
  • B. Delhi–Meerut Expressway
    The Delhi–Meerut Expressway is a high-speed, access-controlled highway in northern India designed to significantly reduce travel time and improve connectivity between Delhi and the city of Meerut.
  • C. Bundelkhand Expressway
    Bundelkhand Expressway is a major access-controlled highway in India that connects the Bundelkhand region to key economic and administrative centers in Uttar Pradesh, improving regional connectivity and development.
  • D. Purvanchal Expressway
    Purvanchal Expressway is a major access-controlled expressway in northern India that enhances connectivity across eastern Uttar Pradesh, linking rural regions with key urban and economic centers.
  • E. Agra–Lucknow Expressway
    The Agra–Lucknow Expressway is a major six-lane, access-controlled expressway in India that significantly reduces travel time between Agra and the state capital Lucknow and serves as a key transport and economic corridor in Uttar Pradesh.
  • 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_69a498dc92f8819094a1108f8ac90f43 completed March 1, 2026, 7:51 p.m.
NER Named-entity recognition batch_69a4c33896548190b44f70c9aaaed9b6 completed March 1, 2026, 10:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69acd48e046c8190bc4820d6c4ce907d completed March 8, 2026, 1:44 a.m.
NEDg Description generation batch_69acd57bf87c8190ad22de7b5636fcfc completed March 8, 2026, 1:48 a.m.
NED2 Entity disambiguation (via description) batch_69acd5e54e98819084ba0022ca64ff43 completed March 8, 2026, 1:50 a.m.
Created at: March 1, 2026, 7:59 p.m.