Triple

T1335480
Position Surface form Disambiguated ID Type / Status
Subject Chestnut Hill East Line E28737 entity
Predicate fareSystem P395 FINISHED
Object SEPTA fare system
The SEPTA fare system is the integrated payment and ticketing structure used across Philadelphia’s regional rail, buses, trolleys, and subways, including the Chestnut Hill East Line.
E59500 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: SEPTA fare system | Statement: [Chestnut Hill East Line, fareSystem, SEPTA fare system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SEPTA fare system
Context triple: [Chestnut Hill East Line, fareSystem, SEPTA fare system]
  • A. SEPTA
    SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
  • B. SEPTA rapid transit network
    The SEPTA rapid transit network is the system of high-capacity urban rail lines serving Philadelphia and some surrounding suburbs, operated by the Southeastern Pennsylvania Transportation Authority.
  • C. 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.
  • D. SEPTA Board
    The SEPTA Board is the policy-making and oversight body that directs and supervises the operations, budget, and strategic decisions of the Southeastern Pennsylvania Transportation Authority.
  • E. SEPTA Regional Rail
    SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
  • 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: SEPTA fare system
Triple: [Chestnut Hill East Line, fareSystem, SEPTA fare system]
Generated description
The SEPTA fare system is the integrated payment and ticketing structure used across Philadelphia’s regional rail, buses, trolleys, and subways, including the Chestnut Hill East Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SEPTA fare system
Target entity description: The SEPTA fare system is the integrated payment and ticketing structure used across Philadelphia’s regional rail, buses, trolleys, and subways, including the Chestnut Hill East Line.
  • A. SEPTA chosen
    SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
  • B. SEPTA rapid transit network
    The SEPTA rapid transit network is the system of high-capacity urban rail lines serving Philadelphia and some surrounding suburbs, operated by the Southeastern Pennsylvania Transportation Authority.
  • C. 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.
  • D. SEPTA Board
    The SEPTA Board is the policy-making and oversight body that directs and supervises the operations, budget, and strategic decisions of the Southeastern Pennsylvania Transportation Authority.
  • E. SEPTA Regional Rail
    SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
  • F. None of above.

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_69a498561a508190a3e1bc137c2b866a completed March 1, 2026, 7:49 p.m.
NER Named-entity recognition batch_69a4c1ecb5208190a9eadda113c91e66 completed March 1, 2026, 10:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad014e33488190b50469c727b32639 completed March 8, 2026, 4:55 a.m.
NEDg Description generation batch_69ad0216e9988190beb96b9d85e2dfce completed March 8, 2026, 4:59 a.m.
NED2 Entity disambiguation (via description) batch_69ad026fc2cc81908fa03bfa6e17c391 completed March 8, 2026, 5 a.m.
Created at: March 1, 2026, 7:55 p.m.