Triple

T15183253
Position Surface form Disambiguated ID Type / Status
Subject Waban station E362800 entity
Predicate locatedOnLine P2409 FINISHED
Object Highland Branch
Highland Branch is a light rail line of Boston's MBTA Green Line that runs through several western suburbs including Newton.
E1141217 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: Highland Branch | Statement: [Waban station, locatedOnLine, Highland Branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Highland Branch
Context triple: [Waban station, locatedOnLine, Highland Branch]
  • A. Montross Branch
    Montross Branch is a local public library facility that serves the Montross, Virginia community as part of the Central Rappahannock Regional Library system.
  • B. Northgate Branch
    Northgate Branch is a neighborhood library of the Seattle Public Library system serving the Northgate area of Seattle with books, media, and community services.
  • C. Aurora Branch
    Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
  • D. Howson Branch
    Howson Branch is a neighborhood library facility that serves the Austin, Texas community as part of the Austin Public Library system.
  • E. Beverly Branch
    Beverly Branch is a commuter rail branch line of Metra's Rock Island District serving Chicago's Beverly and Morgan Park neighborhoods.
  • 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: Highland Branch
Triple: [Waban station, locatedOnLine, Highland Branch]
Generated description
Highland Branch is a light rail line of Boston's MBTA Green Line that runs through several western suburbs including Newton.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Highland Branch
Target entity description: Highland Branch is a light rail line of Boston's MBTA Green Line that runs through several western suburbs including Newton.
  • A. Montross Branch
    Montross Branch is a local public library facility that serves the Montross, Virginia community as part of the Central Rappahannock Regional Library system.
  • B. Northgate Branch
    Northgate Branch is a neighborhood library of the Seattle Public Library system serving the Northgate area of Seattle with books, media, and community services.
  • C. Aurora Branch
    Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
  • D. Howson Branch
    Howson Branch is a neighborhood library facility that serves the Austin, Texas community as part of the Austin Public Library system.
  • E. Beverly Branch
    Beverly Branch is a commuter rail branch line of Metra's Rock Island District serving Chicago's Beverly and Morgan Park neighborhoods.
  • 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_69d85a09a39c81908759f23268e2d408 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e006663ad48190986b680001be0e9b completed April 15, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69fec893f1e08190a192b7b9b80484e8 completed May 9, 2026, 5:39 a.m.
NEDg Description generation batch_69fec91a2d708190bcc67793c46b2a61 completed May 9, 2026, 5:41 a.m.
NED2 Entity disambiguation (via description) batch_69feca0d38088190910dbf4f2538a9d4 completed May 9, 2026, 5:45 a.m.
Created at: April 10, 2026, 3:09 a.m.