Triple

T7247552
Position Surface form Disambiguated ID Type / Status
Subject Chalfont station E156513 entity
Predicate hasStationCode P1289 FINISHED
Object CHL (informal SEPTA code)
CHL is the informal SEPTA station code used to identify Chalfont station in Pennsylvania’s regional rail network.
 E651857 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: CHL (informal SEPTA code) | Statement: [Chalfont station, hasStationCode, CHL (informal SEPTA code)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CHL (informal SEPTA code)
Context triple: [Chalfont station, hasStationCode, CHL (informal SEPTA code)]
  • A. SEPTA City Transit Division
    The SEPTA City Transit Division is the branch of Philadelphia’s regional transit authority that operates the city’s buses, trolleys, and subway–elevated lines.
  • B. SEPTA
    SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
  • C. SEPTA Suburban Transit Division
    The SEPTA Suburban Transit Division is the part of Philadelphia’s regional transit system that operates bus, trolley, and other public transportation services in the suburban areas surrounding the city.
  • D. SEPTA Fox Chase Line
    The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast Philadelphia.
  • E. SEPTA Airport Line
    The SEPTA Airport Line is a commuter rail service in the Philadelphia area that connects Center City with Philadelphia International Airport and several intermediate neighborhoods.
  • 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: CHL (informal SEPTA code)
Triple: [Chalfont station, hasStationCode, CHL (informal SEPTA code)]
Generated description
CHL is the informal SEPTA station code used to identify Chalfont station in Pennsylvania’s regional rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CHL (informal SEPTA code)
Target entity description: CHL is the informal SEPTA station code used to identify Chalfont station in Pennsylvania’s regional rail network.
  • A. SEPTA City Transit Division
    The SEPTA City Transit Division is the branch of Philadelphia’s regional transit authority that operates the city’s buses, trolleys, and subway–elevated lines.
  • B. SEPTA
    SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
  • C. SEPTA Suburban Transit Division
    The SEPTA Suburban Transit Division is the part of Philadelphia’s regional transit system that operates bus, trolley, and other public transportation services in the suburban areas surrounding the city.
  • D. SEPTA Fox Chase Line
    The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast Philadelphia.
  • E. SEPTA Airport Line
    The SEPTA Airport Line is a commuter rail service in the Philadelphia area that connects Center City with Philadelphia International Airport and several intermediate neighborhoods.
  • 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_69c68827b5e481908dc05e145b2c92d4 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6ea749fb08190841c0aa8c5bd0727 completed March 27, 2026, 8:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7d39dab6081909842bfa37ff3f972 completed March 28, 2026, 1:11 p.m.
NEDg Description generation batch_69c7d4690adc81909abbfb7a756f453d completed March 28, 2026, 1:15 p.m.
NED2 Entity disambiguation (via description) batch_69c7d5137efc81908745cca73b112f0c completed March 28, 2026, 1:18 p.m.
Created at: March 27, 2026, 2:56 p.m.