Triple

T20844278
Position Surface form Disambiguated ID Type / Status
Subject Massachusetts regional transit authorities system E513179 entity
Predicate hasPart P35 FINISHED
Object Fitchburg–Leominster area transit services
Fitchburg–Leominster area transit services is a regional public transportation provider serving the cities of Fitchburg and Leominster and surrounding communities in north-central Massachusetts.
 E1453788 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: Fitchburg–Leominster area transit services | Statement: [Massachusetts regional transit authorities system, hasPart, Fitchburg–Leominster area transit services]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fitchburg–Leominster area transit services
Context triple: [Massachusetts regional transit authorities system, hasPart, Fitchburg–Leominster area transit services]
  • A. Worcester Regional Transit Authority
    The Worcester Regional Transit Authority is a public transportation agency that operates bus and paratransit services throughout Worcester and surrounding communities in central Massachusetts.
  • B. Brockton Area Transit Authority
    Brockton Area Transit Authority is the public transportation agency that operates local and regional bus services in and around Brockton, Massachusetts.
  • C. Nashua Transit System
    Nashua Transit System is the primary public bus transportation agency serving the city of Nashua, New Hampshire.
  • D. Pioneer Valley Transit Authority
    Pioneer Valley Transit Authority is a regional public transportation agency serving communities in western Massachusetts, including the Amherst area, with bus and paratransit services.
  • E. Monadnock Region public transit services
    Monadnock Region public transit services is a local transportation system providing bus and related transit options to communities in and around Keene, New Hampshire.
  • 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: Fitchburg–Leominster area transit services
Triple: [Massachusetts regional transit authorities system, hasPart, Fitchburg–Leominster area transit services]
Generated description
Fitchburg–Leominster area transit services is a regional public transportation provider serving the cities of Fitchburg and Leominster and surrounding communities in north-central Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fitchburg–Leominster area transit services
Target entity description: Fitchburg–Leominster area transit services is a regional public transportation provider serving the cities of Fitchburg and Leominster and surrounding communities in north-central Massachusetts.
  • A. Worcester Regional Transit Authority
    The Worcester Regional Transit Authority is a public transportation agency that operates bus and paratransit services throughout Worcester and surrounding communities in central Massachusetts.
  • B. Brockton Area Transit Authority
    Brockton Area Transit Authority is the public transportation agency that operates local and regional bus services in and around Brockton, Massachusetts.
  • C. Nashua Transit System
    Nashua Transit System is the primary public bus transportation agency serving the city of Nashua, New Hampshire.
  • D. Pioneer Valley Transit Authority
    Pioneer Valley Transit Authority is a regional public transportation agency serving communities in western Massachusetts, including the Amherst area, with bus and paratransit services.
  • E. Monadnock Region public transit services
    Monadnock Region public transit services is a local transportation system providing bus and related transit options to communities in and around Keene, New Hampshire.
  • 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.