Triple

T12831411
Position Surface form Disambiguated ID Type / Status
Subject SEPTA transit zone E306794 entity
Predicate maintainedBy P86 FINISHED
Object SEPTA Planning Department
The SEPTA Planning Department is the division of Philadelphia’s regional transit authority responsible for designing, analyzing, and coordinating transit services and infrastructure across its service area.
 E1004710 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 Planning Department | Statement: [SEPTA transit zone, maintainedBy, SEPTA Planning Department]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SEPTA Planning Department
Context triple: [SEPTA transit zone, maintainedBy, SEPTA Planning Department]
  • A. 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.
  • B. 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.
  • C. Philadelphia Department of Planning and Development
    The Philadelphia Department of Planning and Development is the municipal agency responsible for guiding land use, urban planning, housing policy, and development regulation within the City of Philadelphia.
  • D. Philadelphia Office of Transportation, Infrastructure, and Sustainability
    The Philadelphia Office of Transportation, Infrastructure, and Sustainability is a municipal agency responsible for planning, managing, and improving the city’s transportation systems, public infrastructure, and environmental sustainability initiatives.
  • E. SEPTA
    SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
  • 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 Planning Department
Triple: [SEPTA transit zone, maintainedBy, SEPTA Planning Department]
Generated description
The SEPTA Planning Department is the division of Philadelphia’s regional transit authority responsible for designing, analyzing, and coordinating transit services and infrastructure across its service area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SEPTA Planning Department
Target entity description: The SEPTA Planning Department is the division of Philadelphia’s regional transit authority responsible for designing, analyzing, and coordinating transit services and infrastructure across its service area.
  • A. 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.
  • B. 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.
  • C. Philadelphia Department of Planning and Development
    The Philadelphia Department of Planning and Development is the municipal agency responsible for guiding land use, urban planning, housing policy, and development regulation within the City of Philadelphia.
  • D. Philadelphia Office of Transportation, Infrastructure, and Sustainability
    The Philadelphia Office of Transportation, Infrastructure, and Sustainability is a municipal agency responsible for planning, managing, and improving the city’s transportation systems, public infrastructure, and environmental sustainability initiatives.
  • E. SEPTA
    SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
  • 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_69d7bdf52b94819096d6f0ba4ab50a98 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96fb0bb208190bdc4d3dc7909be06 completed April 10, 2026, 9:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f68ed8d20081908e0fb5262b354cab completed May 2, 2026, 11:55 p.m.
NEDg Description generation batch_69f6908cb8ec8190855b217c13a51f16 completed May 3, 2026, 12:02 a.m.
NED2 Entity disambiguation (via description) batch_69f6917688508190ae5a64494eaadce7 completed May 3, 2026, 12:06 a.m.
Created at: April 9, 2026, 5:34 p.m.