Triple

T2310412
Position Surface form Disambiguated ID Type / Status
Subject FirstGroup E51942 entity
Predicate hasSubsidiary P254 FINISHED
Object First Transit
First Transit is a North American public transportation management and contracting company that operates and maintains bus, paratransit, shuttle, and other transit services for municipalities and organizations.
 E256311 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: First Transit | Statement: [FirstGroup, hasSubsidiary, First Transit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: First Transit
Context triple: [FirstGroup, hasSubsidiary, First Transit]
  • A. Omnitrans
    Omnitrans is the primary public bus transit agency serving San Bernardino County and surrounding communities in Southern California.
  • B. Go-Ahead Group
    Go-Ahead Group is a major British public transport operator that runs bus and rail services in the UK and internationally.
  • C. Montebello Bus Lines
    Montebello Bus Lines is a public transit agency serving the city of Montebello and surrounding communities in Los Angeles County with local and express bus services.
  • D. Manchester Transit Authority
    Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
  • E. Baltimore Transit Company
    The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
  • 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: First Transit
Triple: [FirstGroup, hasSubsidiary, First Transit]
Generated description
First Transit is a North American public transportation management and contracting company that operates and maintains bus, paratransit, shuttle, and other transit services for municipalities and organizations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: First Transit
Target entity description: First Transit is a North American public transportation management and contracting company that operates and maintains bus, paratransit, shuttle, and other transit services for municipalities and organizations.
  • A. Omnitrans
    Omnitrans is the primary public bus transit agency serving San Bernardino County and surrounding communities in Southern California.
  • B. Go-Ahead Group
    Go-Ahead Group is a major British public transport operator that runs bus and rail services in the UK and internationally.
  • C. Montebello Bus Lines
    Montebello Bus Lines is a public transit agency serving the city of Montebello and surrounding communities in Los Angeles County with local and express bus services.
  • D. Manchester Transit Authority
    Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
  • E. Baltimore Transit Company
    The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
  • 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_69a88b0bb30c81908ded03b006d29387 completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc6098ce88190ba2e987e6f0737ac completed March 7, 2026, 6:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae8959d860819095ea3113e3d9264e completed March 9, 2026, 8:48 a.m.
NEDg Description generation batch_69ae8d49b7c081909f89c71a56067458 completed March 9, 2026, 9:05 a.m.
NED2 Entity disambiguation (via description) batch_69ae8dc4cf44819082f242d6806aa45a completed March 9, 2026, 9:07 a.m.
Created at: March 4, 2026, 7:49 p.m.