Triple

T421212
Position Surface form Disambiguated ID Type / Status
Subject Kendall Square E8105 entity
Predicate hasLandmark P105 FINISHED
Object Kendall/MIT MBTA station
Kendall/MIT MBTA station is a Red Line subway stop on the Massachusetts Bay Transportation Authority system in Cambridge, Massachusetts, serving the Kendall Square area and the Massachusetts Institute of Technology.
E54744 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: Kendall/MIT MBTA station | Statement: [Kendall Square, hasLandmark, Kendall/MIT MBTA station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kendall/MIT MBTA station
Context triple: [Kendall Square, hasLandmark, Kendall/MIT MBTA station]
  • A. 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.
  • B. Wellington Station (MBTA)
    Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
  • C. Boylston station
    Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
  • D. Quincy Center station
    Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
  • E. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • 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: Kendall/MIT MBTA station
Triple: [Kendall Square, hasLandmark, Kendall/MIT MBTA station]
Generated description
Kendall/MIT MBTA station is a Red Line subway stop on the Massachusetts Bay Transportation Authority system in Cambridge, Massachusetts, serving the Kendall Square area and the Massachusetts Institute of Technology.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kendall/MIT MBTA station
Target entity description: Kendall/MIT MBTA station is a Red Line subway stop on the Massachusetts Bay Transportation Authority system in Cambridge, Massachusetts, serving the Kendall Square area and the Massachusetts Institute of Technology.
  • A. 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.
  • B. Wellington Station (MBTA)
    Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
  • C. Boylston station
    Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
  • D. Quincy Center station
    Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
  • E. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • 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_69a2e7f1d1bc81909cf2dc9754a3c334 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2eebf65cc81908196fee4f09d5889 completed Feb. 28, 2026, 1:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69a431df41888190b643fd3cf0d20a09 completed March 1, 2026, 12:32 p.m.
NEDg Description generation batch_69a4327069a481908e3256f8ebbaa9a2 completed March 1, 2026, 12:34 p.m.
NED2 Entity disambiguation (via description) batch_69a4330b88788190b27b5e47b915b0f7 completed March 1, 2026, 12:37 p.m.
Created at: Feb. 28, 2026, 1:11 p.m.