Triple

T11322157
Position Surface form Disambiguated ID Type / Status
Subject Kalyan E268119 entity
Predicate railwayDivision P1921 FINISHED
Object Mumbai division of Central Railway
The Mumbai division of Central Railway is a major administrative railway division in India responsible for operating and managing suburban and long-distance train services in and around Mumbai.
 E458438 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: Mumbai division of Central Railway | Statement: [Kalyan, railwayDivision, Mumbai division of Central Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mumbai division of Central Railway
Context triple: [Kalyan, railwayDivision, Mumbai division of Central Railway]
  • A. Mumbai Central railway division
    Mumbai Central railway division is a key administrative division of Indian Railways responsible for managing railway operations and services in and around the Mumbai region.
  • B. Pune railway division
    Pune railway division is an administrative unit of Indian Railways responsible for managing train operations, infrastructure, and services in and around Pune, Maharashtra.
  • C. Nanded railway division
    Nanded railway division is an administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and stations in parts of Maharashtra and neighboring regions.
  • D. Nagpur railway division
    Nagpur railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Nagpur, Maharashtra.
  • E. Vadodara railway division
    Vadodara railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Vadodara region of Gujarat.
  • 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: Mumbai division of Central Railway
Triple: [Kalyan, railwayDivision, Mumbai division of Central Railway]
Generated description
The Mumbai division of Central Railway is a major administrative railway division in India responsible for operating and managing suburban and long-distance train services in and around Mumbai.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mumbai division of Central Railway
Target entity description: The Mumbai division of Central Railway is a major administrative railway division in India responsible for operating and managing suburban and long-distance train services in and around Mumbai.
  • A. Mumbai Central railway division chosen
    Mumbai Central railway division is a key administrative division of Indian Railways responsible for managing railway operations and services in and around the Mumbai region.
  • B. Pune railway division
    Pune railway division is an administrative unit of Indian Railways responsible for managing train operations, infrastructure, and services in and around Pune, Maharashtra.
  • C. Nanded railway division
    Nanded railway division is an administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and stations in parts of Maharashtra and neighboring regions.
  • D. Nagpur railway division
    Nagpur railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Nagpur, Maharashtra.
  • E. Vadodara railway division
    Vadodara railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Vadodara region of Gujarat.
  • F. None of above.

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_69d6aaca5c24819083db46a30d86cb34 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e9dff37081909622623e66e17ccd completed April 9, 2026, 6:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69e58b4ec4ac81908d51e3815a054704 completed April 20, 2026, 2:11 a.m.
NEDg Description generation batch_69e59323c5948190bc2c9512f7b0a54f completed April 20, 2026, 2:44 a.m.
NED2 Entity disambiguation (via description) batch_69e599c53704819097c0fdbbfbbb1e87 completed April 20, 2026, 3:13 a.m.
Created at: April 8, 2026, 9:32 p.m.