Triple

T7617504
Position Surface form Disambiguated ID Type / Status
Subject NQ E172397 entity
Predicate usedIn P98 FINISHED
Object MBTA maps
MBTA maps are public transit diagrams that depict the routes, lines, and stations of the Massachusetts Bay Transportation Authority system in the Greater Boston area.
 E677215 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 maps | Statement: [NQ, usedIn, MBTA maps]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA maps
Context triple: [NQ, usedIn, MBTA maps]
  • A. MBTA AFC 2.0
    MBTA AFC 2.0 is the Massachusetts Bay Transportation Authority’s next-generation automated fare collection system designed to modernize how riders pay for and access public transit across Greater Boston.
  • B. MBTA Commuter Rail stations
    MBTA Commuter Rail stations are passenger rail stops in the Greater Boston area that provide regional train service connecting outlying communities with Boston and other destinations on the Massachusetts Bay Transportation Authority network.
  • C. 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.
  • 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 customer service locations
    MBTA customer service locations are official transit agency offices and kiosks where riders can get assistance, manage fare products, and resolve issues related to Boston’s public transportation system.
  • 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 maps
Triple: [NQ, usedIn, MBTA maps]
Generated description
MBTA maps are public transit diagrams that depict the routes, lines, and stations of the Massachusetts Bay Transportation Authority system in the Greater Boston area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MBTA maps
Target entity description: MBTA maps are public transit diagrams that depict the routes, lines, and stations of the Massachusetts Bay Transportation Authority system in the Greater Boston area.
  • A. MBTA AFC 2.0
    MBTA AFC 2.0 is the Massachusetts Bay Transportation Authority’s next-generation automated fare collection system designed to modernize how riders pay for and access public transit across Greater Boston.
  • B. MBTA Commuter Rail stations
    MBTA Commuter Rail stations are passenger rail stops in the Greater Boston area that provide regional train service connecting outlying communities with Boston and other destinations on the Massachusetts Bay Transportation Authority network.
  • C. 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.
  • 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 customer service locations
    MBTA customer service locations are official transit agency offices and kiosks where riders can get assistance, manage fare products, and resolve issues related to Boston’s public transportation system.
  • 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_69c699506b308190826894dab1d9ea86 completed March 27, 2026, 2:50 p.m.
NER Named-entity recognition batch_69c6fa46d95081909c01d1432585ab2a completed March 27, 2026, 9:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69c868714d7c8190aae66a3dd4e6214b completed March 28, 2026, 11:46 p.m.
NEDg Description generation batch_69c86a93e34c81908aaf0edb023ee78c completed March 28, 2026, 11:56 p.m.
NED2 Entity disambiguation (via description) batch_69c86af8330c8190a43c599e82fe465a completed March 28, 2026, 11:57 p.m.
Created at: March 27, 2026, 3:55 p.m.