Triple

T6659973
Position Surface form Disambiguated ID Type / Status
Subject Westwood, Massachusetts E151449 entity
Predicate hasCommuterRailStation P105 FINISHED
Object Route 128 station
Route 128 station is a major MBTA commuter rail and Amtrak station in Westwood, Massachusetts, serving as a key suburban transit hub for the Greater Boston area.
 E609348 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: Route 128 station | Statement: [Westwood, Massachusetts, hasCommuterRailStation, Route 128 station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Route 128 station
Context triple: [Westwood, Massachusetts, hasCommuterRailStation, Route 128 station]
  • A. Beverly Farms station
    Beverly Farms station is a commuter rail stop in the Beverly Farms neighborhood of Beverly, Massachusetts, served by the MBTA's Newburyport/Rockport Line.
  • B. Route 59 station
    Route 59 station is a major commuter rail stop in the Chicago suburbs, serving as one of the busiest stations on Metra’s BNSF Railway Line.
  • C. Pingree Road station
    Pingree Road station is a Metra commuter rail stop serving the city of Crystal Lake in McHenry County, Illinois.
  • D. Roxbury Crossing station
    Roxbury Crossing station is an MBTA Orange Line rapid transit stop in Boston, Massachusetts, serving the Mission Hill neighborhood and surrounding areas.
  • E. Littleton/Route 495 station
    Littleton/Route 495 station is a Massachusetts Bay Transportation Authority commuter rail stop in Littleton, Massachusetts, serving the Fitchburg Line near Interstate 495.
  • 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: Route 128 station
Triple: [Westwood, Massachusetts, hasCommuterRailStation, Route 128 station]
Generated description
Route 128 station is a major MBTA commuter rail and Amtrak station in Westwood, Massachusetts, serving as a key suburban transit hub for the Greater Boston area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Route 128 station
Target entity description: Route 128 station is a major MBTA commuter rail and Amtrak station in Westwood, Massachusetts, serving as a key suburban transit hub for the Greater Boston area.
  • A. Beverly Farms station
    Beverly Farms station is a commuter rail stop in the Beverly Farms neighborhood of Beverly, Massachusetts, served by the MBTA's Newburyport/Rockport Line.
  • B. Route 59 station
    Route 59 station is a major commuter rail stop in the Chicago suburbs, serving as one of the busiest stations on Metra’s BNSF Railway Line.
  • C. Pingree Road station
    Pingree Road station is a Metra commuter rail stop serving the city of Crystal Lake in McHenry County, Illinois.
  • D. Roxbury Crossing station
    Roxbury Crossing station is an MBTA Orange Line rapid transit stop in Boston, Massachusetts, serving the Mission Hill neighborhood and surrounding areas.
  • E. Littleton/Route 495 station
    Littleton/Route 495 station is a Massachusetts Bay Transportation Authority commuter rail stop in Littleton, Massachusetts, serving the Fitchburg Line near Interstate 495.
  • 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_69c687f5fac48190a09e4838d9c6b45d completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6b071cc6c81909d7df1841c645661 completed March 27, 2026, 4:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6ef0738a88190802abaeb0ab0a927 completed March 27, 2026, 8:56 p.m.
NEDg Description generation batch_69c6f0a2a150819091ec6e6d2905abcb completed March 27, 2026, 9:03 p.m.
NED2 Entity disambiguation (via description) batch_69c6f1344dd4819096c1d3e216320c4d completed March 27, 2026, 9:05 p.m.
Created at: March 27, 2026, 2:02 p.m.