Triple

T3881010
Position Surface form Disambiguated ID Type / Status
Subject Chesapeake Beach Railway Museum E92821 entity
Predicate dedicatedTo P500 FINISHED
Object Chesapeake Beach Railway
The Chesapeake Beach Railway was a historic early 20th-century rail line that carried passengers from Washington, D.C., to the resort town of Chesapeake Beach, Maryland, promoting seaside tourism along the Western Shore of the Chesapeake Bay.
E394175 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: Chesapeake Beach Railway | Statement: [Chesapeake Beach Railway Museum, dedicatedTo, Chesapeake Beach Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chesapeake Beach Railway
Context triple: [Chesapeake Beach Railway Museum, dedicatedTo, Chesapeake Beach Railway]
  • A. Chesapeake Beach Railway Museum
    The Chesapeake Beach Railway Museum is a local history museum in Chesapeake Beach, Maryland, dedicated to preserving and interpreting the story of the historic Chesapeake Beach Railway and the resort town that grew around it.
  • B. Western Maryland Scenic Railroad
    The Western Maryland Scenic Railroad is a heritage tourist railway in Maryland that operates vintage trains through the scenic Allegheny Mountains, preserving and showcasing regional rail history.
  • C. Western Maryland Railway
    Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
  • D. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • E. Baltimore and Susquehanna Railroad
    The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway system.
  • 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: Chesapeake Beach Railway
Triple: [Chesapeake Beach Railway Museum, dedicatedTo, Chesapeake Beach Railway]
Generated description
The Chesapeake Beach Railway was a historic early 20th-century rail line that carried passengers from Washington, D.C., to the resort town of Chesapeake Beach, Maryland, promoting seaside tourism along the Western Shore of the Chesapeake Bay.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chesapeake Beach Railway
Target entity description: The Chesapeake Beach Railway was a historic early 20th-century rail line that carried passengers from Washington, D.C., to the resort town of Chesapeake Beach, Maryland, promoting seaside tourism along the Western Shore of the Chesapeake Bay.
  • A. Chesapeake Beach Railway Museum
    The Chesapeake Beach Railway Museum is a local history museum in Chesapeake Beach, Maryland, dedicated to preserving and interpreting the story of the historic Chesapeake Beach Railway and the resort town that grew around it.
  • B. Western Maryland Scenic Railroad
    The Western Maryland Scenic Railroad is a heritage tourist railway in Maryland that operates vintage trains through the scenic Allegheny Mountains, preserving and showcasing regional rail history.
  • C. Western Maryland Railway
    Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
  • D. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • E. Baltimore and Susquehanna Railroad
    The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway system.
  • 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_69aed9697de0819087c2559295ff3d12 completed March 9, 2026, 2:30 p.m.
NER Named-entity recognition batch_69aeec7557cc819094f055463625ffc3 completed March 9, 2026, 3:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69b512568ba48190a820fcda9b472701 completed March 14, 2026, 7:46 a.m.
NEDg Description generation batch_69b512d3e4ac8190834746b5b1a15fc4 completed March 14, 2026, 7:48 a.m.
NED2 Entity disambiguation (via description) batch_69b5133b378081908e44edb28d905ab3 completed March 14, 2026, 7:50 a.m.
Created at: March 9, 2026, 3:20 p.m.