Triple

T3494
Position Surface form Disambiguated ID Type / Status
Subject MBTA Fitchburg Line E65 entity
Predicate hasStation P35 FINISHED
Object Waverley
Waverley is a commuter rail station in Belmont, Massachusetts, served by the MBTA’s Fitchburg Line.
 E822 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: Waverley | Statement: [MBTA Fitchburg Line, hasStation, Waverley]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waverley
Context triple: [MBTA Fitchburg Line, hasStation, Waverley]
  • A. The Quaker
    The Quaker is the traditional, colonial-era–styled mascot representing the University of Pennsylvania and its athletic teams.
  • B. Mens et Manus
    Mens et Manus is the Latin motto of the Massachusetts Institute of Technology, expressing the union of mind and hand in the pursuit of knowledge and practical application.
  • C. The Town of Homes
    The Town of Homes is a residentially focused nickname for Belmont, Massachusetts, reflecting its suburban character and emphasis on neighborhood living.
  • D. Edwin
    Edwin is a masculine given name of Old English origin meaning "rich friend" or "prosperous friend."
  • E. Veritas
    Veritas is the Latin word for "truth" and is famously used as the motto of Harvard University.
  • 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: Waverley
Triple: [MBTA Fitchburg Line, hasStation, Waverley]
Generated description
Waverley is a commuter rail station in Belmont, Massachusetts, served by the MBTA’s Fitchburg Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Waverley
Target entity description: Waverley is a commuter rail station in Belmont, Massachusetts, served by the MBTA’s Fitchburg Line.
  • A. The Quaker
    The Quaker is the traditional, colonial-era–styled mascot representing the University of Pennsylvania and its athletic teams.
  • B. Mens et Manus
    Mens et Manus is the Latin motto of the Massachusetts Institute of Technology, expressing the union of mind and hand in the pursuit of knowledge and practical application.
  • C. The Town of Homes
    The Town of Homes is a residentially focused nickname for Belmont, Massachusetts, reflecting its suburban character and emphasis on neighborhood living.
  • D. Edwin
    Edwin is a masculine given name of Old English origin meaning "rich friend" or "prosperous friend."
  • E. Veritas
    Veritas is the Latin word for "truth" and is famously used as the motto of Harvard University.
  • 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_69a238d6b47881909e68288aed2fd858 completed Feb. 28, 2026, 12:37 a.m.
NER Named-entity recognition batch_69a23ff0650c8190bea8724de0343e58 completed Feb. 28, 2026, 1:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69a243c57fe481909b6c1b8f41757f96 completed Feb. 28, 2026, 1:24 a.m.
NEDg Description generation batch_69a2463a71188190a7252fae85f68711 completed Feb. 28, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69a246e74bfc8190ba3ea9818a55cc28 completed Feb. 28, 2026, 1:37 a.m.
Created at: Feb. 28, 2026, 12:40 a.m.