Triple

T1327282
Position Surface form Disambiguated ID Type / Status
Subject Metra Milwaukee District West Line E28356 entity
Predicate hasStation P35 FINISHED
Object Bartlett
Bartlett is a suburban commuter rail station in Bartlett, Illinois, serving passengers on Metra’s Milwaukee District West Line between Chicago and its western suburbs.
E152045 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: Bartlett | Statement: [Metra Milwaukee District West Line, hasStation, Bartlett]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bartlett
Context triple: [Metra Milwaukee District West Line, hasStation, Bartlett]
  • A. Bartlett
    Bartlett is a given name most notably borne by Bartlett S. Durham, the physician and landowner after whom the city of Durham, North Carolina, is named.
  • B. Lawford
    Lawford is an English-origin surname most notably associated with actor Peter Lawford and, by marriage, the Kennedy political family.
  • C. Conant
    Conant is a surname most notably associated with James B. Conant, an influential American chemist, educator, and former president of Harvard University.
  • D. West Hall
    West Hall is a campus building at Elmhurst University, typically used for academic and student-related activities.
  • E. Belmont
    Belmont is a city on the San Francisco Peninsula in California, known for its suburban character, hilly terrain, and proximity to major Bay Area tech and transportation hubs.
  • 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: Bartlett
Triple: [Metra Milwaukee District West Line, hasStation, Bartlett]
Generated description
Bartlett is a suburban commuter rail station in Bartlett, Illinois, serving passengers on Metra’s Milwaukee District West Line between Chicago and its western suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bartlett
Target entity description: Bartlett is a suburban commuter rail station in Bartlett, Illinois, serving passengers on Metra’s Milwaukee District West Line between Chicago and its western suburbs.
  • A. Bartlett
    Bartlett is a given name most notably borne by Bartlett S. Durham, the physician and landowner after whom the city of Durham, North Carolina, is named.
  • B. Lawford
    Lawford is an English-origin surname most notably associated with actor Peter Lawford and, by marriage, the Kennedy political family.
  • C. Conant
    Conant is a surname most notably associated with James B. Conant, an influential American chemist, educator, and former president of Harvard University.
  • D. West Hall
    West Hall is a campus building at Elmhurst University, typically used for academic and student-related activities.
  • E. Belmont
    Belmont is a suburban district within the London Borough of Harrow, known for its residential character and local shopping and community facilities.
  • 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_69a498540a2481909e807a762280d3ba completed March 1, 2026, 7:49 p.m.
NER Named-entity recognition batch_69a4c1c0a22881909eff0fc6c91a5f41 completed March 1, 2026, 10:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69acbf3038148190bd945f67e1a619ca completed March 8, 2026, 12:13 a.m.
NEDg Description generation batch_69acbf958b308190874369550420f827 completed March 8, 2026, 12:15 a.m.
NED2 Entity disambiguation (via description) batch_69acc0c32180819082af905fd56c4b27 completed March 8, 2026, 12:20 a.m.
Created at: March 1, 2026, 7:55 p.m.