Triple

T4441482
Position Surface form Disambiguated ID Type / Status
Subject downtown Greenfield, Massachusetts E95779 entity
Predicate hasLandmark P105 FINISHED
Object John W. Olver Transit Center
The John W. Olver Transit Center is a multi-modal transportation hub and environmentally advanced public building in Greenfield, Massachusetts, known for integrating bus and rail services with sustainable design features.
 E439290 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: John W. Olver Transit Center | Statement: [downtown Greenfield, Massachusetts, hasLandmark, John W. Olver Transit Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: John W. Olver Transit Center
Context triple: [downtown Greenfield, Massachusetts, hasLandmark, John W. Olver Transit Center]
  • A. Downtown Transit Center
    Downtown Transit Center is a major public transportation hub in central Houston that connects METRORail with numerous local bus routes for commuters and visitors.
  • B. Old Town Transit Center
    Old Town Transit Center is a major public transportation hub in San Diego that connects trolley, bus, and regional rail services for the Old Town area and beyond.
  • C. Aurora Transportation Center
    Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
  • D. Gresham Central Transit Center
    Gresham Central Transit Center is a major public transportation hub in Gresham, Oregon, serving as a key stop on the MAX Light Rail system and connecting multiple bus routes.
  • E. Addison Transit Center
    Addison Transit Center is a major Dallas Area Rapid Transit (DART) bus facility in Addison, Texas, serving as a key transfer point for local and regional bus routes.
  • 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: John W. Olver Transit Center
Triple: [downtown Greenfield, Massachusetts, hasLandmark, John W. Olver Transit Center]
Generated description
The John W. Olver Transit Center is a multi-modal transportation hub and environmentally advanced public building in Greenfield, Massachusetts, known for integrating bus and rail services with sustainable design features.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: John W. Olver Transit Center
Target entity description: The John W. Olver Transit Center is a multi-modal transportation hub and environmentally advanced public building in Greenfield, Massachusetts, known for integrating bus and rail services with sustainable design features.
  • A. Downtown Transit Center
    Downtown Transit Center is a major public transportation hub in central Houston that connects METRORail with numerous local bus routes for commuters and visitors.
  • B. Old Town Transit Center
    Old Town Transit Center is a major public transportation hub in San Diego that connects trolley, bus, and regional rail services for the Old Town area and beyond.
  • C. Aurora Transportation Center
    Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
  • D. Gresham Central Transit Center
    Gresham Central Transit Center is a major public transportation hub in Gresham, Oregon, serving as a key stop on the MAX Light Rail system and connecting multiple bus routes.
  • E. Addison Transit Center
    Addison Transit Center is a major Dallas Area Rapid Transit (DART) bus facility in Addison, Texas, serving as a key transfer point for local and regional bus routes.
  • 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_69b3453ea2b48190a26f154b3b8fece5 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b355ad71588190b1dcad4250472c29 completed March 13, 2026, 12:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69b61380fca08190bf036a7d82cee0e7 completed March 15, 2026, 2:03 a.m.
NEDg Description generation batch_69b6143adefc81908f6c639906e0fd1a completed March 15, 2026, 2:06 a.m.
NED2 Entity disambiguation (via description) batch_69b614b00dbc8190a7ea0477bedbc96a completed March 15, 2026, 2:08 a.m.
Created at: March 12, 2026, 11:32 p.m.