Triple

T100486
Position Surface form Disambiguated ID Type / Status
Subject Urbana, Illinois, United States E2028 entity
Predicate hasPublicTransitSystem P105 FINISHED
Object Champaign–Urbana Mass Transit District
The Champaign–Urbana Mass Transit District is the primary public bus system serving the Champaign–Urbana metropolitan area and the University of Illinois campus in Illinois.
E15037 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: Champaign–Urbana Mass Transit District | Statement: [Urbana, Illinois, United States, hasPublicTransitSystem, Champaign–Urbana Mass Transit District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Champaign–Urbana Mass Transit District
Context triple: [Urbana, Illinois, United States, hasPublicTransitSystem, Champaign–Urbana Mass Transit District]
  • A. Regional Transportation Authority of Northeastern Illinois
    The Regional Transportation Authority of Northeastern Illinois is the oversight and funding agency that coordinates public transit services, including those of the Chicago Transit Authority, across the Chicago metropolitan area.
  • B. Chicago Transit Authority
    The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
  • C. Chicago Surface Lines
    Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
  • D. Chicago Rapid Transit Company
    The Chicago Rapid Transit Company was the private operator of Chicago’s elevated “L” rail system in the early 20th century before public transit was consolidated under the Chicago Transit Authority.
  • E. Illinois Technology and Research Corridor
    The Illinois Technology and Research Corridor is a major suburban business and innovation hub west of Chicago, known for its concentration of corporate headquarters, research facilities, and high-tech industries along Interstate 88.
  • 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: Champaign–Urbana Mass Transit District
Triple: [Urbana, Illinois, United States, hasPublicTransitSystem, Champaign–Urbana Mass Transit District]
Generated description
The Champaign–Urbana Mass Transit District is the primary public bus system serving the Champaign–Urbana metropolitan area and the University of Illinois campus in Illinois.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Champaign–Urbana Mass Transit District
Target entity description: The Champaign–Urbana Mass Transit District is the primary public bus system serving the Champaign–Urbana metropolitan area and the University of Illinois campus in Illinois.
  • A. Regional Transportation Authority of Northeastern Illinois
    The Regional Transportation Authority of Northeastern Illinois is the oversight and funding agency that coordinates public transit services, including those of the Chicago Transit Authority, across the Chicago metropolitan area.
  • B. Chicago Transit Authority
    The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
  • C. Chicago Surface Lines
    Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
  • D. Chicago Rapid Transit Company
    The Chicago Rapid Transit Company was the private operator of Chicago’s elevated “L” rail system in the early 20th century before public transit was consolidated under the Chicago Transit Authority.
  • E. Illinois Technology and Research Corridor
    The Illinois Technology and Research Corridor is a major suburban business and innovation hub west of Chicago, known for its concentration of corporate headquarters, research facilities, and high-tech industries along Interstate 88.
  • 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_69a24d4862f881908cc8b89d3a78031d completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a24ff1a8cc8190843d4c6807cebd09 completed Feb. 28, 2026, 2:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2aa43d2948190bc7ec06d157fab9a completed Feb. 28, 2026, 8:41 a.m.
NEDg Description generation batch_69a2ab33e2c88190b53505ffb88cf522 completed Feb. 28, 2026, 8:45 a.m.
NED2 Entity disambiguation (via description) batch_69a2abb79ef08190be7101791c291eb9 completed Feb. 28, 2026, 8:47 a.m.
Created at: Feb. 28, 2026, 2:09 a.m.