Triple

T12648926
Position Surface form Disambiguated ID Type / Status
Subject Cedar Falls–Waterloo area E302103 entity
Predicate hasPublicTransit P522 FINISHED
Object MET Transit in Waterloo
MET Transit in Waterloo is the primary public bus system serving the Cedar Falls–Waterloo metropolitan area in Iowa.
 E994793 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: MET Transit in Waterloo | Statement: [Cedar Falls–Waterloo area, hasPublicTransit, MET Transit in Waterloo]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MET Transit in Waterloo
Context triple: [Cedar Falls–Waterloo area, hasPublicTransit, MET Transit in Waterloo]
  • A. Burlington Transit
    Burlington Transit is the public bus transportation system serving the city of Burlington, Ontario, Canada.
  • B. Unitrans bus system
    The Unitrans bus system is a public transit service in Davis, California, primarily operated by UC Davis students and serving both the university campus and the surrounding community.
  • C. CTtransit Waterbury Division
    CTtransit Waterbury Division is the local bus service operator providing public transportation within Waterbury, Connecticut, and surrounding areas.
  • D. MetroWest Regional Transit Authority
    MetroWest Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the MetroWest region of Massachusetts.
  • E. Iowa City Transit
    Iowa City Transit is the primary public bus system serving Iowa City and surrounding communities in eastern Iowa.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MET Transit in Waterloo
Target entity description: MET Transit in Waterloo is the primary public bus system serving the Cedar Falls–Waterloo metropolitan area in Iowa.
  • A. Burlington Transit
    Burlington Transit is the public bus transportation system serving the city of Burlington, Ontario, Canada.
  • B. Unitrans bus system
    The Unitrans bus system is a public transit service in Davis, California, primarily operated by UC Davis students and serving both the university campus and the surrounding community.
  • C. CTtransit Waterbury Division
    CTtransit Waterbury Division is the local bus service operator providing public transportation within Waterbury, Connecticut, and surrounding areas.
  • D. MetroWest Regional Transit Authority
    MetroWest Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the MetroWest region of Massachusetts.
  • E. Iowa City Transit
    Iowa City Transit is the primary public bus system serving Iowa City and surrounding communities in eastern Iowa.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: MET Transit in Waterloo
Triple: [Cedar Falls–Waterloo area, hasPublicTransit, MET Transit in Waterloo]
Generated description
MET Transit in Waterloo is the primary public bus system serving the Cedar Falls–Waterloo metropolitan area in Iowa.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d7bdec9f9c8190b4bac675b7588211 elicitation completed
NER batch_69d9615cf6f48190bd0983cf7465ab15 ner completed
NED1 batch_69f6687dad6c8190bb72bfebf6636a37 ned_source_triple completed
NED2 batch_69f66a2da60881909b0a689821456bb4 ned_description completed
NEDg batch_69f6697d8ac88190b4ead9ce47f3a705 nedg completed
Created at: April 9, 2026, 5:18 p.m.