Triple

T23430758
Position Surface form Disambiguated ID Type / Status
Subject Meerut–Hapur line E563321 entity
Predicate uses P98 FINISHED
Object Indian Railways signalling system
The Indian Railways signalling system is a nationwide network of signals, interlocking, and train protection technologies that manages and controls the safe, efficient movement of trains across India’s railway network.
E1586895 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: Indian Railways signalling system | Statement: [Meerut–Hapur line, uses, Indian Railways signalling system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Indian Railways signalling system
Context triple: [Meerut–Hapur line, uses, Indian Railways signalling system]
  • A. Kavach train protection system
    Kavach train protection system is an indigenous Indian automatic train protection technology designed to prevent collisions and enhance operational safety on the railway network.
  • B. Indian Railways electric locomotive maintenance network
    The Indian Railways electric locomotive maintenance network is a nationwide system of specialized facilities and sheds responsible for the upkeep, repair, and overhauling of the railway’s electric locomotive fleet.
  • C. New South Wales railway signalling system
    The New South Wales railway signalling system is the standardized network of signals, control equipment, and operating rules that governs the safe and efficient movement of trains across the New South Wales rail network.
  • D. Indian Railway Financial Code
    The Indian Railway Financial Code is a comprehensive set of rules and procedures that governs financial management, accounting, and budgeting practices within Indian Railways.
  • E. Indian Railway Traffic Service
    The Indian Railway Traffic Service is a prestigious Group 'A' civil service responsible for managing the transportation, commercial operations, and safety of train services on Indian Railways.
  • 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: Indian Railways signalling system
Triple: [Meerut–Hapur line, uses, Indian Railways signalling system]
Generated description
The Indian Railways signalling system is a nationwide network of signals, interlocking, and train protection technologies that manages and controls the safe, efficient movement of trains across India’s railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Indian Railways signalling system
Target entity description: The Indian Railways signalling system is a nationwide network of signals, interlocking, and train protection technologies that manages and controls the safe, efficient movement of trains across India’s railway network.
  • A. Kavach train protection system
    Kavach train protection system is an indigenous Indian automatic train protection technology designed to prevent collisions and enhance operational safety on the railway network.
  • B. Indian Railways electric locomotive maintenance network
    The Indian Railways electric locomotive maintenance network is a nationwide system of specialized facilities and sheds responsible for the upkeep, repair, and overhauling of the railway’s electric locomotive fleet.
  • C. New South Wales railway signalling system
    The New South Wales railway signalling system is the standardized network of signals, control equipment, and operating rules that governs the safe and efficient movement of trains across the New South Wales rail network.
  • D. Indian Railway Financial Code
    The Indian Railway Financial Code is a comprehensive set of rules and procedures that governs financial management, accounting, and budgeting practices within Indian Railways.
  • E. Indian Railway Traffic Service
    The Indian Railway Traffic Service is a prestigious Group 'A' civil service responsible for managing the transportation, commercial operations, and safety of train services on Indian Railways.
  • 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_69e24553980c8190bb66a2ae0bdab125 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f1a5d8130881909e4f3455afef1804 completed April 29, 2026, 6:31 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c67ace29c819095873e8d2d586382 completed May 19, 2026, 1:37 p.m.
NEDg Description generation batch_6a0c7216508c81909bd949d50ee2d48b completed May 19, 2026, 2:22 p.m.
NED2 Entity disambiguation (via description) batch_6a0c770010308190a0a07b50fdca7d6a completed May 19, 2026, 2:43 p.m.
Created at: April 17, 2026, 5:48 p.m.