Triple

T16029611
Position Surface form Disambiguated ID Type / Status
Subject Cambridge bus network E388808 entity
Predicate uses P98 FINISHED
Object MBTA bus shelters
MBTA bus shelters are covered roadside structures in the Greater Boston area that provide waiting passengers with seating, route information, and protection from the elements at bus stops.
E1188836 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: MBTA bus shelters | Statement: [Cambridge bus network, uses, MBTA bus shelters]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA bus shelters
Context triple: [Cambridge bus network, uses, MBTA bus shelters]
  • A. MBTA stations
    MBTA stations are the public transit stops and hubs in the Greater Boston area that serve subway, bus, commuter rail, and ferry services operated by the Massachusetts Bay Transportation Authority.
  • B. MBTA Green Line stations
    MBTA Green Line stations are the stops along Boston’s light rail Green Line, serving neighborhoods and suburbs with trolley-style rapid transit.
  • C. MBTA park-and-ride network
    The MBTA park-and-ride network is a system of parking facilities at transit stations that allows commuters to park their vehicles and transfer to Boston-area public transportation services.
  • D. MBTA Orange Line stations
    MBTA Orange Line stations are the rapid transit stops along Boston’s Orange Line, serving key neighborhoods and connecting riders to major residential, commercial, and educational areas in the Greater Boston region.
  • E. MBTA bus network
    The MBTA bus network is the system of public bus routes serving Cambridge and the greater Boston area as part of the Massachusetts Bay Transportation Authority’s regional transit services.
  • 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: MBTA bus shelters
Triple: [Cambridge bus network, uses, MBTA bus shelters]
Generated description
MBTA bus shelters are covered roadside structures in the Greater Boston area that provide waiting passengers with seating, route information, and protection from the elements at bus stops.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MBTA bus shelters
Target entity description: MBTA bus shelters are covered roadside structures in the Greater Boston area that provide waiting passengers with seating, route information, and protection from the elements at bus stops.
  • A. MBTA stations
    MBTA stations are the public transit stops and hubs in the Greater Boston area that serve subway, bus, commuter rail, and ferry services operated by the Massachusetts Bay Transportation Authority.
  • B. MBTA Green Line stations
    MBTA Green Line stations are the stops along Boston’s light rail Green Line, serving neighborhoods and suburbs with trolley-style rapid transit.
  • C. MBTA park-and-ride network
    The MBTA park-and-ride network is a system of parking facilities at transit stations that allows commuters to park their vehicles and transfer to Boston-area public transportation services.
  • D. MBTA Orange Line stations
    MBTA Orange Line stations are the rapid transit stops along Boston’s Orange Line, serving key neighborhoods and connecting riders to major residential, commercial, and educational areas in the Greater Boston region.
  • E. MBTA bus network
    The MBTA bus network is the system of public bus routes serving Cambridge and the greater Boston area as part of the Massachusetts Bay Transportation Authority’s regional transit services.
  • 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_69d86dada3808190825d5f80d72fbe88 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1832a56ec8190a47fd2cf83a42fd4 completed April 17, 2026, 12:47 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffcf35ae808190aeb154a273c32a70 completed May 10, 2026, 12:20 a.m.
NEDg Description generation batch_69ffd0384804819080f63b86d5114950 completed May 10, 2026, 12:24 a.m.
NED2 Entity disambiguation (via description) batch_69ffd09e128c819081e92a479a4a24f9 completed May 10, 2026, 12:26 a.m.
Created at: April 10, 2026, 4:56 a.m.