Triple

T1475087
Position Surface form Disambiguated ID Type / Status
Subject West Trenton Line E30820 entity
Predicate usesCorridor P5520 FINISHED
Object CSX Trenton Subdivision
The CSX Trenton Subdivision is a freight rail line in the northeastern United States operated by CSX Transportation, forming part of a major corridor between Philadelphia and North Jersey.
E174050 NE FINISHED

How this triple was built (5 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: CSX Trenton Subdivision | Statement: [West Trenton Line, usesCorridor, CSX Trenton Subdivision]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CSX Trenton Subdivision
Context triple: [West Trenton Line, usesCorridor, CSX Trenton Subdivision]
  • A. CSX Capital Subdivision
    CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
  • B. CSX RF&P Subdivision
    The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
  • C. West Trenton Line
    The West Trenton Line is a commuter rail service in the Philadelphia region that connects Center City to West Trenton, New Jersey, as part of SEPTA's Regional Rail network.
  • D. Trenton Line
    Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
  • E. North Jersey Coast Line
    The North Jersey Coast Line is a commuter rail line in New Jersey that runs between New York City/Newark and the Jersey Shore, serving numerous coastal communities.
  • 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: CSX Trenton Subdivision
Triple: [West Trenton Line, usesCorridor, CSX Trenton Subdivision]
Generated description
The CSX Trenton Subdivision is a freight rail line in the northeastern United States operated by CSX Transportation, forming part of a major corridor between Philadelphia and North Jersey.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CSX Trenton Subdivision
Target entity description: The CSX Trenton Subdivision is a freight rail line in the northeastern United States operated by CSX Transportation, forming part of a major corridor between Philadelphia and North Jersey.
  • A. CSX Capital Subdivision
    CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
  • B. CSX RF&P Subdivision
    The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
  • C. West Trenton Line
    The West Trenton Line is a commuter rail service in the Philadelphia region that connects Center City to West Trenton, New Jersey, as part of SEPTA's Regional Rail network.
  • D. Trenton Line
    Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
  • E. North Jersey Coast Line
    The North Jersey Coast Line is a commuter rail line in New Jersey that runs between New York City/Newark and the Jersey Shore, serving numerous coastal communities.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: usesCorridor
Context triple: [West Trenton Line, usesCorridor, CSX Trenton Subdivision]
  • A. hasCorridor chosen
    Indicates that one entity includes, is connected by, or provides access through a corridor to another entity.
  • B. corridorType
    Indicates the specific kind or classification of a corridor associated with an entity or location.
  • C. numberOfCorridors
    Indicates the total count of corridors associated with or contained within a given entity or structure.
  • D. hasServiceOnCorridor
    Indicates that a service operates along, or is provided on, a specific corridor or route.
  • E. lengthOfCorridors
    Indicates the measured extent or distance of corridors within a given space or structure.
  • F. None of above.

Provenance (6 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_69a498fe55a88190ab7f9e40ace88e49 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c6011d248190988380eca4ecf514 completed March 1, 2026, 11:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad2940a44c8190967a62781cca0306 completed March 8, 2026, 7:46 a.m.
NEDg Description generation batch_69ad2a1742d48190a82c1fc8c81d5c21 completed March 8, 2026, 7:49 a.m.
NED2 Entity disambiguation (via description) batch_69ad2a9e50888190bab83785f11135ea completed March 8, 2026, 7:51 a.m.
PD Predicate disambiguation batch_69a4c484e52c81908948ff8c0a42751b completed March 1, 2026, 10:58 p.m.
Created at: March 1, 2026, 8:11 p.m.