Triple

T20844255
Position Surface form Disambiguated ID Type / Status
Subject Brockton Area Transit Authority E513178 entity
Predicate alsoKnownAs P39 FINISHED
Object BAT transit system
The BAT transit system is a regional public transportation network serving Brockton, Massachusetts and surrounding communities with fixed-route buses and paratransit services.
E1453785 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: BAT transit system | Statement: [Brockton Area Transit Authority, alsoKnownAs, BAT transit system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BAT transit system
Context triple: [Brockton Area Transit Authority, alsoKnownAs, BAT transit system]
  • A. Jackson Transit System
    Jackson Transit System is the public bus transportation agency serving the city of Jackson, Mississippi.
  • 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. METRO regional transit network
    The METRO regional transit network is a coordinated public transportation system that connects communities across its service area through buses, trains, and supporting facilities.
  • D. Bee-Line Bus System
    The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
  • E. Boston subway
    The Boston subway, officially known as the MBTA or "the T," is one of the oldest public transit systems in the United States, serving the Greater Boston area with an extensive network of underground and surface rail lines.
  • 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: BAT transit system
Triple: [Brockton Area Transit Authority, alsoKnownAs, BAT transit system]
Generated description
The BAT transit system is a regional public transportation network serving Brockton, Massachusetts and surrounding communities with fixed-route buses and paratransit services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BAT transit system
Target entity description: The BAT transit system is a regional public transportation network serving Brockton, Massachusetts and surrounding communities with fixed-route buses and paratransit services.
  • A. Jackson Transit System
    Jackson Transit System is the public bus transportation agency serving the city of Jackson, Mississippi.
  • 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. METRO regional transit network
    The METRO regional transit network is a coordinated public transportation system that connects communities across its service area through buses, trains, and supporting facilities.
  • D. Bee-Line Bus System
    The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
  • E. Boston subway
    The Boston subway, officially known as the MBTA or "the T," is one of the oldest public transit systems in the United States, serving the Greater Boston area with an extensive network of underground and surface rail lines.
  • 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_69e0b4f4898081908209e58edb8f9c45 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c34deef88190992b959b83bc59b1 completed April 21, 2026, 12:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a090b01d11c8190a8ca8e331b2c0936 completed May 17, 2026, 12:25 a.m.
NEDg Description generation batch_6a090bf30e048190a2c81dece02c997d completed May 17, 2026, 12:29 a.m.
NED2 Entity disambiguation (via description) batch_6a090d0d52fc8190aed0a475f3424213 completed May 17, 2026, 12:34 a.m.
Created at: April 16, 2026, 12:43 p.m.