Triple

T16736093
Position Surface form Disambiguated ID Type / Status
Subject Cheltenham, Pennsylvania E406720 entity
Predicate servedBy P82 FINISHED
Object Melrose Park station
Melrose Park station is a SEPTA Regional Rail commuter train station located in the Melrose Park neighborhood near Cheltenham, Pennsylvania.
 E1231015 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: Melrose Park station | Statement: [Cheltenham, Pennsylvania, servedBy, Melrose Park station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Melrose Park station
Context triple: [Cheltenham, Pennsylvania, servedBy, Melrose Park station]
  • A. Melrose Park station
    Melrose Park station is a commuter rail stop in the Chicago metropolitan area serving passengers in and around Melrose Park, Illinois.
  • B. Melrose Highlands station
    Melrose Highlands station is a commuter rail stop in Melrose, Massachusetts, served by the MBTA on its Haverhill Line.
  • C. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • D. Norwood Avenue station
    Norwood Avenue station is an elevated New York City Subway station in Brooklyn serving the J and Z lines near the Cypress Hills neighborhood.
  • E. Melrose Cedar Park station
    Melrose Cedar Park station is a commuter rail stop on the MBTA's Haverhill Line serving residents of Melrose, Massachusetts.
  • 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: Melrose Park station
Triple: [Cheltenham, Pennsylvania, servedBy, Melrose Park station]
Generated description
Melrose Park station is a SEPTA Regional Rail commuter train station located in the Melrose Park neighborhood near Cheltenham, Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Melrose Park station
Target entity description: Melrose Park station is a SEPTA Regional Rail commuter train station located in the Melrose Park neighborhood near Cheltenham, Pennsylvania.
  • A. Melrose Park station
    Melrose Park station is a commuter rail stop in the Chicago metropolitan area serving passengers in and around Melrose Park, Illinois.
  • B. Melrose Highlands station
    Melrose Highlands station is a commuter rail stop in Melrose, Massachusetts, served by the MBTA on its Haverhill Line.
  • C. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • D. Norwood Avenue station
    Norwood Avenue station is an elevated New York City Subway station in Brooklyn serving the J and Z lines near the Cypress Hills neighborhood.
  • E. Melrose Cedar Park station
    Melrose Cedar Park station is a commuter rail stop on the MBTA's Haverhill Line serving residents of Melrose, Massachusetts.
  • 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_69d8838ffb088190a0b11149929006bf completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e39c3a86848190a03f243dd1bdb899 completed April 18, 2026, 2:59 p.m.
NED1 Entity disambiguation (via context triple) batch_6a009d4ea8208190aed0a4014a10d120 completed May 10, 2026, 2:59 p.m.
NEDg Description generation batch_6a009ed297488190a20558efb9f91a55 completed May 10, 2026, 3:05 p.m.
NED2 Entity disambiguation (via description) batch_6a009f460010819086cfd7a7d74cb435 completed May 10, 2026, 3:07 p.m.
Created at: April 10, 2026, 5:20 a.m.