Triple

T1688873
Position Surface form Disambiguated ID Type / Status
Subject Vijayawada E36504 entity
Predicate railwayDivisionHeadquartersOf P31350 FINISHED
Object Vijayawada railway division
Vijayawada railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in and around Vijayawada, Andhra Pradesh.
E192556 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: Vijayawada railway division | Statement: [Vijayawada, railwayDivisionHeadquartersOf, Vijayawada railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vijayawada railway division
Context triple: [Vijayawada, railwayDivisionHeadquartersOf, Vijayawada railway division]
  • A. Vijayawada Junction railway station
    Vijayawada Junction railway station is one of the busiest and most important railway hubs in India, serving as a major transit and operational center on the South Central Railway network.
  • B. South Central Railway zone
    The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
  • C. Warangal division
    Warangal division was an administrative subdivision centered around the city of Warangal within the former Hyderabad State in India.
  • D. Secunderabad Junction
    Secunderabad Junction is one of the major railway hubs in South India, serving as a key transit and operations center for the Hyderabad metropolitan region.
  • E. Guntur Junction railway station
    Guntur Junction railway station is a major railway hub in Andhra Pradesh, India, serving as a key junction connecting multiple important routes in the region.
  • 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: Vijayawada railway division
Triple: [Vijayawada, railwayDivisionHeadquartersOf, Vijayawada railway division]
Generated description
Vijayawada railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in and around Vijayawada, Andhra Pradesh.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vijayawada railway division
Target entity description: Vijayawada railway division is a major administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and infrastructure in and around Vijayawada, Andhra Pradesh.
  • A. Vijayawada Junction railway station
    Vijayawada Junction railway station is one of the busiest and most important railway hubs in India, serving as a major transit and operational center on the South Central Railway network.
  • B. South Central Railway zone
    The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
  • C. Warangal division
    Warangal division was an administrative subdivision centered around the city of Warangal within the former Hyderabad State in India.
  • D. Secunderabad Junction
    Secunderabad Junction is one of the major railway hubs in South India, serving as a key transit and operations center for the Hyderabad metropolitan region.
  • E. Guntur Junction railway station
    Guntur Junction railway station is a major railway hub in Andhra Pradesh, India, serving as a key junction connecting multiple important routes in the region.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: railwayDivisionHeadquartersOf
Context triple: [Vijayawada, railwayDivisionHeadquartersOf, Vijayawada railway division]
  • A. railwayDivision
    Indicates that one administrative railway division is responsible for, manages, or encompasses another railway unit, line, or area within a rail network.
  • B. hasRailwayHeadquarters
    Indicates that a railway organization or system has its main administrative or operational headquarters located at a specified place.
  • C. railroadTerminusFor
    Indicates that one location serves as the end point or final station of a particular railroad line for another location.
  • D. railwayStationFor
    Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
  • E. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • F. None of above. chosen

Provenance (7 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_69a886151508819084fa7f1ce6e05577 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aaf3359ce48190803b322db8ad6027 completed March 6, 2026, 3:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad8ac6cc88819086821026a37a3578 completed March 8, 2026, 2:42 p.m.
NEDg Description generation batch_69ad9575acf88190aa3fe80794534dd4 completed March 8, 2026, 3:27 p.m.
NED2 Entity disambiguation (via description) batch_69ad97a7128c819097ff36216f00d4f9 completed March 8, 2026, 3:37 p.m.
PD Predicate disambiguation batch_69aa61b71cec8190b273588051058ebd completed March 6, 2026, 5:10 a.m.
PDg Predicate description generation batch_69aaf33347e48190a32b6d0099e3d389 completed March 6, 2026, 3:30 p.m.
Created at: March 4, 2026, 7:29 p.m.