Triple

T1354855
Position Surface form Disambiguated ID Type / Status
Subject Chestnut Hill West Line E28964 entity
Predicate connectsStation P845 FINISHED
Object Chelten Avenue station
Chelten Avenue station is a SEPTA Regional Rail stop in the Germantown neighborhood of Philadelphia, Pennsylvania, serving passengers on the Chestnut Hill West Line.
E234332 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: Chelten Avenue station | Statement: [Chestnut Hill West Line, connectsStation, Chelten Avenue station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chelten Avenue station
Context triple: [Chestnut Hill West Line, connectsStation, Chelten Avenue station]
  • A. Naylor Road station
    Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
  • B. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • C. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • D. Parker Road Station
    Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
  • E. Benning Road station
    Benning Road station is an elevated Washington Metro station in Northeast Washington, D.C., serving residential neighborhoods along the Blue and Silver Lines.
  • 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: Chelten Avenue station
Triple: [Chestnut Hill West Line, connectsStation, Chelten Avenue station]
Generated description
Chelten Avenue station is a SEPTA Regional Rail stop in the Germantown neighborhood of Philadelphia, Pennsylvania, serving passengers on the Chestnut Hill West Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chelten Avenue station
Target entity description: Chelten Avenue station is a SEPTA Regional Rail stop in the Germantown neighborhood of Philadelphia, Pennsylvania, serving passengers on the Chestnut Hill West Line.
  • A. Naylor Road station
    Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
  • B. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • C. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • D. Parker Road Station
    Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
  • E. Benning Road station
    Benning Road station is an elevated Washington Metro station in Northeast Washington, D.C., serving residential neighborhoods along the Blue and Silver Lines.
  • 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_69a498571d248190a0ac9eb02d97097f completed March 1, 2026, 7:49 p.m.
NER Named-entity recognition batch_69a4c28afc848190925d8b2f9aeac12d completed March 1, 2026, 10:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69ae3037944c8190b2ced5f5ca539260 completed March 9, 2026, 2:28 a.m.
NEDg Description generation batch_69ae3149922c819085fb2af51d53304c completed March 9, 2026, 2:32 a.m.
NED2 Entity disambiguation (via description) batch_69ae31a67eb08190a3ef64e83301fabc completed March 9, 2026, 2:34 a.m.
Created at: March 1, 2026, 7:56 p.m.