Triple

T16125130
Position Surface form Disambiguated ID Type / Status
Subject Havertown, Pennsylvania E391247 entity
Predicate hasStation P35 FINISHED
Object Beechwood–Brookline station (NHSL)
Beechwood–Brookline station (NHSL) is a stop on SEPTA’s Norristown High Speed Line serving the residential community of Havertown, Pennsylvania.
 E1196299 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: Beechwood–Brookline station (NHSL) | Statement: [Havertown, Pennsylvania, hasStation, Beechwood–Brookline station (NHSL)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Beechwood–Brookline station (NHSL)
Context triple: [Havertown, Pennsylvania, hasStation, Beechwood–Brookline station (NHSL)]
  • A. Vermont/Beverly station
    Vermont/Beverly station is an underground rapid transit stop on Los Angeles Metro's B Line serving the Koreatown area.
  • B. Beverly station
    Beverly station is a Massachusetts Bay Transportation Authority commuter rail station in Beverly, Massachusetts, serving as a key junction and terminal point for several North Shore rail lines.
  • C. Middleborough/Lakeville station
    Middleborough/Lakeville station is a Massachusetts Bay Transportation Authority commuter rail stop in southeastern Massachusetts serving as a key terminus for riders traveling between the South Shore region and Boston.
  • D. Holbrook/Randolph station
    Holbrook/Randolph station is an MBTA Commuter Rail stop on the Middleborough/Lakeville Line serving the towns of Holbrook and Randolph in Massachusetts.
  • E. 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.
  • 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: Beechwood–Brookline station (NHSL)
Triple: [Havertown, Pennsylvania, hasStation, Beechwood–Brookline station (NHSL)]
Generated description
Beechwood–Brookline station (NHSL) is a stop on SEPTA’s Norristown High Speed Line serving the residential community of Havertown, Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Beechwood–Brookline station (NHSL)
Target entity description: Beechwood–Brookline station (NHSL) is a stop on SEPTA’s Norristown High Speed Line serving the residential community of Havertown, Pennsylvania.
  • A. Vermont/Beverly station
    Vermont/Beverly station is an underground rapid transit stop on Los Angeles Metro's B Line serving the Koreatown area.
  • B. Beverly station
    Beverly station is a Massachusetts Bay Transportation Authority commuter rail station in Beverly, Massachusetts, serving as a key junction and terminal point for several North Shore rail lines.
  • C. Middleborough/Lakeville station
    Middleborough/Lakeville station is a Massachusetts Bay Transportation Authority commuter rail stop in southeastern Massachusetts serving as a key terminus for riders traveling between the South Shore region and Boston.
  • D. Holbrook/Randolph station
    Holbrook/Randolph station is an MBTA Commuter Rail stop on the Middleborough/Lakeville Line serving the towns of Holbrook and Randolph in Massachusetts.
  • E. 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.
  • 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_69d87f1bb0988190b490d273dbf3fd03 completed April 10, 2026, 4:39 a.m.
NER Named-entity recognition batch_69e2020408a88190bf3dfc893d577c55 completed April 17, 2026, 9:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69fff2abf9b08190a375abc842a0e7d0 completed May 10, 2026, 2:51 a.m.
NEDg Description generation batch_69fff35ded288190b4d261358f1661cb completed May 10, 2026, 2:54 a.m.
NED2 Entity disambiguation (via description) batch_69fff3f2760c8190a58fedc2798614ae completed May 10, 2026, 2:56 a.m.
Created at: April 10, 2026, 5 a.m.