Triple

T733340
Position Surface form Disambiguated ID Type / Status
Subject Frederick County, Maryland E14876 entity
Predicate majorRailService P782 FINISHED
Object MARC Brunswick Line E55051 NE FINISHED

How this triple was built (3 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: MARC Brunswick Line | Statement: [Frederick County, Maryland, majorRailService, MARC Brunswick Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MARC Brunswick Line
Context triple: [Frederick County, Maryland, majorRailService, MARC Brunswick Line]
  • A. MARC Brunswick Line chosen
    The MARC Brunswick Line is a Maryland Area Regional Commuter rail service that operates between Washington, D.C., and points in western Maryland and eastern West Virginia, providing weekday commuter transportation along the former B&O Railroad main line.
  • B. MARC Penn Line
    The MARC Penn Line is a Maryland commuter rail service that runs along the Amtrak Northeast Corridor between Washington, D.C., and Perryville, serving numerous communities in Prince George’s County and beyond.
  • C. 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.
  • D. Morris & Essex Lines
    The Morris & Essex Lines are a set of commuter rail lines in northern New Jersey that provide passenger service between New York City, Hoboken, and various suburban communities.
  • E. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: majorRailService
Context triple: [Frederick County, Maryland, majorRailService, MARC Brunswick Line]
  • A. servedByRailroad chosen
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • B. isBusiestPassengerRailLineIn
    Indicates that a passenger rail line is the one with the highest level of use or traffic within a specified geographic area or system.
  • C. railwayCompany
    Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
  • D. railNetworkRole
    Indicates the specific function or responsibility an entity has within a rail network system.
  • E. usesRailInfrastructureOf
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • F. None of above.

Provenance (4 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_69a4934d9930819099eed80096b0597d completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a66820548190b373deb117187c2c completed March 1, 2026, 8:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69a64a5f0de4819083457c86e5e93ba0 completed March 3, 2026, 2:41 a.m.
PD Predicate disambiguation batch_69a4a4fafee081909bf356854c09aaff completed March 1, 2026, 8:43 p.m.
Created at: March 1, 2026, 7:37 p.m.