Triple

T3811460
Position Surface form Disambiguated ID Type / Status
Subject Roslindale E93143 entity
Predicate hasFacility P105 FINISHED
Object Roslindale Village commuter rail station
Roslindale Village commuter rail station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop on the Needham Line serving Boston’s Roslindale neighborhood.
E398469 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: Roslindale Village commuter rail station | Statement: [Roslindale, hasFacility, Roslindale Village commuter rail station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Roslindale Village commuter rail station
Context triple: [Roslindale, hasFacility, Roslindale Village commuter rail station]
  • A. Brookline Hills station
    Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
  • B. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • C. Brookline Village station
    Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
  • D. Wellesley Hills station
    Wellesley Hills station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Wellesley Hills neighborhood in Wellesley, Massachusetts.
  • E. Ashmont station
    Ashmont station is a major MBTA transit hub in Boston’s Dorchester neighborhood, serving as the southern terminus of the Red Line’s Ashmont branch and the connection point to the Mattapan trolley line.
  • 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: Roslindale Village commuter rail station
Triple: [Roslindale, hasFacility, Roslindale Village commuter rail station]
Generated description
Roslindale Village commuter rail station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop on the Needham Line serving Boston’s Roslindale neighborhood.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Roslindale Village commuter rail station
Target entity description: Roslindale Village commuter rail station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop on the Needham Line serving Boston’s Roslindale neighborhood.
  • A. Brookline Hills station
    Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
  • B. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • C. Brookline Village station
    Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
  • D. Wellesley Hills station
    Wellesley Hills station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Wellesley Hills neighborhood in Wellesley, Massachusetts.
  • E. Ashmont station
    Ashmont station is a major MBTA transit hub in Boston’s Dorchester neighborhood, serving as the southern terminus of the Red Line’s Ashmont branch and the connection point to the Mattapan trolley line.
  • 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_69aed96a60088190ab1df8390fffc935 completed March 9, 2026, 2:30 p.m.
NER Named-entity recognition batch_69aee80faaa88190b05f8aec8aa5c44d completed March 9, 2026, 3:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69b528345dec81909231d60781020b7b completed March 14, 2026, 9:19 a.m.
NEDg Description generation batch_69b5296c76dc8190a7a3784fc9f6023e completed March 14, 2026, 9:25 a.m.
NED2 Entity disambiguation (via description) batch_69b529b889a48190b9ce0829f4775aff completed March 14, 2026, 9:26 a.m.
Created at: March 9, 2026, 3:16 p.m.