Triple

T21365162
Position Surface form Disambiguated ID Type / Status
Subject MBTA Needham Line E526889 entity
Predicate hasStation P35 FINISHED
Object Bellevue
Bellevue is a commuter rail station in West Roxbury, Boston, served by the Massachusetts Bay Transportation Authority's Needham Line.
 E678628 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: Bellevue | Statement: [MBTA Needham Line, hasStation, Bellevue]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bellevue
Context triple: [MBTA Needham Line, hasStation, Bellevue]
  • A. Bellevue
    Bellevue is a small municipality located along Lake Geneva in the canton of Geneva in southwestern Switzerland.
  • B. Bellevue
    Bellevue is a scenic mountain station in the French Alps that serves as a popular starting point for hikes and ascents around Mont Blanc.
  • C. Bellevue
    Bellevue is a Canadian television drama series starring Anna Paquin as a detective investigating the disappearance of a transgender teen in a small, tightly knit town.
  • D. Bellevue
    Bellevue is a city in eastern Nebraska, part of the Omaha metropolitan area and one of the state's oldest continuous settlements.
  • E. Bellevue
    Bellevue is a small city in Blaine County, Idaho, known as a gateway community to the Sun Valley resort area in the Wood River Valley.
  • 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: Bellevue
Triple: [MBTA Needham Line, hasStation, Bellevue]
Generated description
Bellevue is a commuter rail station in West Roxbury, Boston, served by the Massachusetts Bay Transportation Authority's Needham Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bellevue
Target entity description: Bellevue is a commuter rail station in West Roxbury, Boston, served by the Massachusetts Bay Transportation Authority's Needham Line.
  • A. Bellevue chosen
    Bellevue is a commuter rail station in West Roxbury, Boston, served by the MBTA's Needham Line.
  • B. Bellevue
    Bellevue is a city in eastern Nebraska, part of the Omaha metropolitan area and one of the state's oldest continuous settlements.
  • C. Bellevue
    Bellevue is a small municipality located along Lake Geneva in the canton of Geneva in southwestern Switzerland.
  • D. Bellevue
    Bellevue is a scenic mountain station in the French Alps that serves as a popular starting point for hikes and ascents around Mont Blanc.
  • E. Bellevue
    Bellevue is a residential suburb of Johannesburg, South Africa, known for its dense urban character and proximity to the inner-city neighborhoods of Yeoville and Berea.
  • F. None of above.

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_69e0b51d8a308190b09113b3b3f9bc15 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8b06e1ba081908a96928a65da5fa2 completed April 22, 2026, 11:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09bb409e5881908923858e0065c5fe completed May 17, 2026, 12:57 p.m.
NEDg Description generation batch_6a09bea2b9788190b41d3da0b5f3329e completed May 17, 2026, 1:12 p.m.
NED2 Entity disambiguation (via description) batch_6a09bf3466848190b2a5793f5f51efd7 completed May 17, 2026, 1:14 p.m.
Created at: April 16, 2026, 5:09 p.m.