Triple

T1418297
Position Surface form Disambiguated ID Type / Status
Subject West Bengal E31965 entity
Predicate hasRailwayZoneHeadquarters P24188 FINISHED
Object Eastern Railway
Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
E163229 NE FINISHED

How this triple was built (5 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: Eastern Railway | Statement: [West Bengal, hasRailwayZoneHeadquarters, Eastern Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Eastern Railway
Context triple: [West Bengal, hasRailwayZoneHeadquarters, Eastern Railway]
  • A. Western Railway zone
    The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
  • B. Northern Railway zone
    The Northern Railway zone is one of the largest and oldest zones of Indian Railways, overseeing extensive rail operations across North India from its headquarters in New Delhi.
  • C. North Central Railway zone
    The North Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered at Prayagraj, and is a major rail network serving parts of Uttar Pradesh, Madhya Pradesh, Rajasthan, and Haryana.
  • D. West Central Railway zone
    West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
  • E. Mumbai Suburban Railway
    The Mumbai Suburban Railway is a high-capacity commuter rail network that forms the backbone of public transport in the Mumbai metropolitan region, carrying millions of passengers daily across its extensive routes.
  • 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: Eastern Railway
Triple: [West Bengal, hasRailwayZoneHeadquarters, Eastern Railway]
Generated description
Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Eastern Railway
Target entity description: Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
  • A. Western Railway zone
    The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
  • B. Northern Railway zone
    The Northern Railway zone is one of the largest and oldest zones of Indian Railways, overseeing extensive rail operations across North India from its headquarters in New Delhi.
  • C. North Central Railway zone
    The North Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered at Prayagraj, and is a major rail network serving parts of Uttar Pradesh, Madhya Pradesh, Rajasthan, and Haryana.
  • D. West Central Railway zone
    West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
  • E. Mumbai Suburban Railway
    The Mumbai Suburban Railway is a high-capacity commuter rail network that forms the backbone of public transport in the Mumbai metropolitan region, carrying millions of passengers daily across its extensive routes.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailwayZoneHeadquarters
Context triple: [West Bengal, hasRailwayZoneHeadquarters, Eastern Railway]
  • A. hasRailwayHeadquarters
    Indicates that a railway organization or system has its main administrative or operational headquarters located at a specified place.
  • B. hasRailwayZone chosen
    Indicates that a location or railway entity falls under the jurisdiction or coverage area of a specific railway zone.
  • C. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • D. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • E. hasMajorRailwayStation
    Indicates that a place contains or is served by a principal railway station that functions as a major hub for rail transport.
  • F. None of above.

Provenance (6 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_69a49919a994819086528951bc224775 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c404e92c8190bd018673383f4534 completed March 1, 2026, 10:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad015cdc8881908887aa0fb0838145 completed March 8, 2026, 4:55 a.m.
NEDg Description generation batch_69ad01d1c01c81908917c4837ed2b393 completed March 8, 2026, 4:57 a.m.
NED2 Entity disambiguation (via description) batch_69ad0265f610819085a2dd293abd4812 completed March 8, 2026, 5 a.m.
PD Predicate disambiguation batch_69a4bf060b0081909ba00e6ac093a28b completed March 1, 2026, 10:34 p.m.
Created at: March 1, 2026, 7:59 p.m.