Triple

T3116200
Position Surface form Disambiguated ID Type / Status
Subject Erode E65067 entity
Predicate railwayDivision P1921 FINISHED
Object Salem railway division
Salem railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Salem in the state of Tamil Nadu.
E326999 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: Salem railway division | Statement: [Erode, railwayDivision, Salem railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Salem railway division
Context triple: [Erode, railwayDivision, Salem railway division]
  • A. CSX RF&P Subdivision
    The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
  • B. Fitchburg Line
    The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
  • C. Mohawk Subdivision
    The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
  • D. Springfield Terminal Railway
    Springfield Terminal Railway was a regional New England railroad best known for its role as the operating subsidiary that underpinned the later Pan Am Railways system.
  • E. BNSF Railway Monticello Subdivision
    The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
  • 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: Salem railway division
Triple: [Erode, railwayDivision, Salem railway division]
Generated description
Salem railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Salem in the state of Tamil Nadu.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Salem railway division
Target entity description: Salem railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Salem in the state of Tamil Nadu.
  • A. CSX RF&P Subdivision
    The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
  • B. Fitchburg Line
    The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
  • C. Mohawk Subdivision
    The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
  • D. Springfield Terminal Railway
    Springfield Terminal Railway was a regional New England railroad best known for its role as the operating subsidiary that underpinned the later Pan Am Railways system.
  • E. BNSF Railway Monticello Subdivision
    The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
  • 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_69ad857fcc088190b0c4d45a5cde6f61 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada4e5d1488190a2ab199625fdf05d completed March 8, 2026, 4:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69b2039d9d408190b01e45f0ced5ca3d completed March 12, 2026, 12:06 a.m.
NEDg Description generation batch_69b20547c0008190ac2589f54111bad9 completed March 12, 2026, 12:13 a.m.
NED2 Entity disambiguation (via description) batch_69b205bff1d88190a9bb212d9a607f18 completed March 12, 2026, 12:16 a.m.
Created at: March 8, 2026, 3:04 p.m.