Triple

T7126149
Position Surface form Disambiguated ID Type / Status
Subject MBTA Green Line B branch E166066 entity
Predicate hasStop P17789 FINISHED
Object Packards Corner station
Packards Corner station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston neighborhood near the intersection of Commonwealth Avenue and Brighton Avenue.
E643598 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: Packards Corner station | Statement: [MBTA Green Line B branch, hasStop, Packards Corner station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Packards Corner station
Context triple: [MBTA Green Line B branch, hasStop, Packards Corner station]
  • A. Tattenham Corner railway station
    Tattenham Corner railway station is a suburban rail station in Surrey, England, best known for serving racegoers attending events at the nearby Epsom Downs Racecourse, including the Epsom Derby.
  • B. Tattenham Corner
    Tattenham Corner is the famous sharp bend on the Epsom Downs Racecourse, renowned as a pivotal point in major British horse races such as The Derby.
  • C. Kent Station
    Kent Station is a commuter rail station in Kent, Washington, served by Sound Transit’s Sounder South Line and integrated with local bus and park-and-ride facilities.
  • D. Oasis station
    Oasis station is a passenger stop on the Teleférico de Santiago aerial cable car system in Santiago, Chile.
  • E. Scarborough Junction
    Scarborough Junction is a residential and industrial neighbourhood in the eastern part of Toronto, Ontario, known for its rail corridors and proximity to major transit 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: Packards Corner station
Triple: [MBTA Green Line B branch, hasStop, Packards Corner station]
Generated description
Packards Corner station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston neighborhood near the intersection of Commonwealth Avenue and Brighton Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Packards Corner station
Target entity description: Packards Corner station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston neighborhood near the intersection of Commonwealth Avenue and Brighton Avenue.
  • A. Tattenham Corner railway station
    Tattenham Corner railway station is a suburban rail station in Surrey, England, best known for serving racegoers attending events at the nearby Epsom Downs Racecourse, including the Epsom Derby.
  • B. Tattenham Corner
    Tattenham Corner is the famous sharp bend on the Epsom Downs Racecourse, renowned as a pivotal point in major British horse races such as The Derby.
  • C. Kent Station
    Kent Station is a commuter rail station in Kent, Washington, served by Sound Transit’s Sounder South Line and integrated with local bus and park-and-ride facilities.
  • D. Oasis station
    Oasis station is a passenger stop on the Teleférico de Santiago aerial cable car system in Santiago, Chile.
  • E. Scarborough Junction
    Scarborough Junction is a residential and industrial neighbourhood in the eastern part of Toronto, Ontario, known for its rail corridors and proximity to major transit 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_69c6888350588190870cd552b427a1cd completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e64d99888190a93c1822e19b5457 completed March 27, 2026, 8:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7a3357e548190bb56c31843c69f95 completed March 28, 2026, 9:45 a.m.
NEDg Description generation batch_69c7a446c5088190908dd7b4cdc57f18 completed March 28, 2026, 9:49 a.m.
NED2 Entity disambiguation (via description) batch_69c7a4fc9f788190b38437c6e91a5f8a completed March 28, 2026, 9:53 a.m.
Created at: March 27, 2026, 2:44 p.m.