Triple

T5414207
Position Surface form Disambiguated ID Type / Status
Subject Prudential Center E121087 entity
Predicate connectedTo P37 FINISHED
Object Prudential MBTA station
Prudential MBTA station is an underground light rail stop on Boston’s Green Line E branch serving the Back Bay area and the Prudential Center complex.
 E519381 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: Prudential MBTA station | Statement: [Prudential Center, connectedTo, Prudential MBTA station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Prudential MBTA station
Context triple: [Prudential Center, connectedTo, Prudential MBTA station]
  • A. Waban MBTA station
    Waban MBTA station is a light rail stop on the MBTA Green Line D branch in Newton, Massachusetts, serving the village of Waban.
  • B. State Street MBTA station
    State Street MBTA station is a major downtown Boston subway stop on the Orange and Blue Lines, located near the Old State House and serving the city’s historic and financial districts.
  • C. MBTA Silver Hill station
    MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
  • D. MBTA State Street station
    MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
  • E. Park Street MBTA station
    Park Street MBTA station is a major downtown Boston subway hub on the MBTA’s Green and Red Lines, located at the eastern edge of Boston Common.
  • 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: Prudential MBTA station
Triple: [Prudential Center, connectedTo, Prudential MBTA station]
Generated description
Prudential MBTA station is an underground light rail stop on Boston’s Green Line E branch serving the Back Bay area and the Prudential Center complex.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Prudential MBTA station
Target entity description: Prudential MBTA station is an underground light rail stop on Boston’s Green Line E branch serving the Back Bay area and the Prudential Center complex.
  • A. Waban MBTA station
    Waban MBTA station is a light rail stop on the MBTA Green Line D branch in Newton, Massachusetts, serving the village of Waban.
  • B. State Street MBTA station
    State Street MBTA station is a major downtown Boston subway stop on the Orange and Blue Lines, located near the Old State House and serving the city’s historic and financial districts.
  • C. MBTA Silver Hill station
    MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
  • D. MBTA State Street station
    MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
  • E. Park Street MBTA station
    Park Street MBTA station is a major downtown Boston subway hub on the MBTA’s Green and Red Lines, located at the eastern edge of Boston Common.
  • 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_69bd463a41cc8190b32ff5af2b96ca93 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd87bcace08190932fe85e4b4aeffc completed March 20, 2026, 5:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf3aa743008190840ddcea08d67a66 completed March 22, 2026, 12:41 a.m.
NEDg Description generation batch_69bf3c5907208190af042d1eedd427c9 completed March 22, 2026, 12:48 a.m.
NED2 Entity disambiguation (via description) batch_69bf3cde5004819096988c61b45958ea completed March 22, 2026, 12:50 a.m.
Created at: March 20, 2026, 2:05 p.m.