Triple

T2952830
Position Surface form Disambiguated ID Type / Status
Subject MBTA fare gates E79859 entity
Predicate installedAt P3054 FINISHED
Object Silver Line BRT stations (selected)
Silver Line BRT stations (selected) are specific bus rapid transit stops on Boston’s MBTA Silver Line that feature upgraded infrastructure such as fare gates for rapid, subway-like boarding.
E315085 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: Silver Line BRT stations (selected) | Statement: [MBTA fare gates, installedAt, Silver Line BRT stations (selected)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Silver Line BRT stations (selected)
Context triple: [MBTA fare gates, installedAt, Silver Line BRT stations (selected)]
  • A. Washington Metro Silver Line (nearby stations)
    The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
  • B. A Line bus rapid transit
    A Line bus rapid transit is a high-frequency, limited-stop bus service in the Minneapolis–Saint Paul area designed to provide faster, more reliable transit with features similar to light rail.
  • C. D Line bus rapid transit
    The D Line bus rapid transit is a high-frequency, limited-stop bus service in the Minneapolis–Saint Paul area designed to provide faster, more reliable transit along a major urban corridor.
  • D. BMT lines
    BMT lines are a group of New York City Subway routes that originated with the former Brooklyn–Manhattan Transit Corporation and primarily serve Brooklyn and Manhattan.
  • E. Line 15–Silver
    Line 15–Silver is a driverless monorail line of the São Paulo Metro system serving the city’s eastern zone.
  • 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: Silver Line BRT stations (selected)
Triple: [MBTA fare gates, installedAt, Silver Line BRT stations (selected)]
Generated description
Silver Line BRT stations (selected) are specific bus rapid transit stops on Boston’s MBTA Silver Line that feature upgraded infrastructure such as fare gates for rapid, subway-like boarding.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Silver Line BRT stations (selected)
Target entity description: Silver Line BRT stations (selected) are specific bus rapid transit stops on Boston’s MBTA Silver Line that feature upgraded infrastructure such as fare gates for rapid, subway-like boarding.
  • A. Washington Metro Silver Line (nearby stations)
    The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
  • B. A Line bus rapid transit
    A Line bus rapid transit is a high-frequency, limited-stop bus service in the Minneapolis–Saint Paul area designed to provide faster, more reliable transit with features similar to light rail.
  • C. D Line bus rapid transit
    The D Line bus rapid transit is a high-frequency, limited-stop bus service in the Minneapolis–Saint Paul area designed to provide faster, more reliable transit along a major urban corridor.
  • D. BMT lines
    BMT lines are a group of New York City Subway routes that originated with the former Brooklyn–Manhattan Transit Corporation and primarily serve Brooklyn and Manhattan.
  • E. Line 15–Silver
    Line 15–Silver is a driverless monorail line of the São Paulo Metro system serving the city’s eastern zone.
  • 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_69ad8b1276588190a374a0b12e0f7bdf completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad98fe4b688190a0f68c4f80cd6f8f completed March 8, 2026, 3:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69b0fc82d1248190869beffffc0bf956 completed March 11, 2026, 5:24 a.m.
NEDg Description generation batch_69b0fd25e07c819088b2b1bcef4cf54e completed March 11, 2026, 5:27 a.m.
NED2 Entity disambiguation (via description) batch_69b100ecbee081908832ddec0efdc751 completed March 11, 2026, 5:43 a.m.
Created at: March 8, 2026, 2:57 p.m.