Triple

T19166123
Position Surface form Disambiguated ID Type / Status
Subject Franklin Park station E469185 entity
Predicate hasAdjacentStationOnMilwaukeeDistrictWest P134687 FINISHED
Object Belmont Avenue station
Belmont Avenue station is a Metra commuter rail stop on Chicago's Milwaukee District/West Line serving passengers in the city’s northwest side.
 E1361466 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: Belmont Avenue station | Statement: [Franklin Park station, hasAdjacentStationOnMilwaukeeDistrictWest, Belmont Avenue station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Belmont Avenue station
Context triple: [Franklin Park station, hasAdjacentStationOnMilwaukeeDistrictWest, Belmont Avenue station]
  • A. Parsons Boulevard station
    Parsons Boulevard station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
  • B. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • C. Highland Avenue station
    Highland Avenue station is a New Jersey Transit commuter rail stop in Orange, New Jersey, serving local passengers on the Morris & Essex Lines.
  • D. Carroll Avenue station
    Carroll Avenue station is a South Shore Line commuter rail station in Michigan City, Indiana, serving as a key terminal and maintenance facility for the line.
  • E. 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.
  • 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: Belmont Avenue station
Triple: [Franklin Park station, hasAdjacentStationOnMilwaukeeDistrictWest, Belmont Avenue station]
Generated description
Belmont Avenue station is a Metra commuter rail stop on Chicago's Milwaukee District/West Line serving passengers in the city’s northwest side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Belmont Avenue station
Target entity description: Belmont Avenue station is a Metra commuter rail stop on Chicago's Milwaukee District/West Line serving passengers in the city’s northwest side.
  • A. Parsons Boulevard station
    Parsons Boulevard station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
  • B. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • C. Highland Avenue station
    Highland Avenue station is a New Jersey Transit commuter rail stop in Orange, New Jersey, serving local passengers on the Morris & Essex Lines.
  • D. Carroll Avenue station
    Carroll Avenue station is a South Shore Line commuter rail station in Michigan City, Indiana, serving as a key terminal and maintenance facility for the line.
  • E. 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.
  • 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_69d8dd09d5a081909ae43c286651ae5a completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5f15ee064819087f9fd822236298f completed April 20, 2026, 9:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a06f261bed48190838b5cb99a01b4f2 completed May 15, 2026, 10:16 a.m.
NEDg Description generation batch_6a06f338f504819081daeef10e629afd completed May 15, 2026, 10:19 a.m.
NED2 Entity disambiguation (via description) batch_6a06f4199a588190943d3d45536a228c completed May 15, 2026, 10:23 a.m.
Created at: April 10, 2026, 12:06 p.m.