Triple

T437752
Position Surface form Disambiguated ID Type / Status
Subject Northern Central Railway E10046 entity
Predicate predecessor P97 FINISHED
Object York and Cumberland Railroad
The York and Cumberland Railroad was a 19th-century rail line in Pennsylvania that later became part of the Northern Central Railway system.
E56465 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: York and Cumberland Railroad | Statement: [Northern Central Railway, predecessor, York and Cumberland Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: York and Cumberland Railroad
Context triple: [Northern Central Railway, predecessor, York and Cumberland Railroad]
  • A. 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.
  • B. 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.
  • C. Western and Atlantic Railroad
    The Western and Atlantic Railroad was a 19th-century U.S. rail line in Georgia that played a crucial role in the development of Atlanta as a major transportation hub.
  • D. Philadelphia, Wilmington and Baltimore Railroad
    The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
  • E. 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.
  • 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: York and Cumberland Railroad
Triple: [Northern Central Railway, predecessor, York and Cumberland Railroad]
Generated description
The York and Cumberland Railroad was a 19th-century rail line in Pennsylvania that later became part of the Northern Central Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: York and Cumberland Railroad
Target entity description: The York and Cumberland Railroad was a 19th-century rail line in Pennsylvania that later became part of the Northern Central Railway system.
  • A. 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.
  • B. Baltimore and Susquehanna Railroad chosen
    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.
  • C. Western and Atlantic Railroad
    The Western and Atlantic Railroad was a 19th-century U.S. rail line in Georgia that played a crucial role in the development of Atlanta as a major transportation hub.
  • D. Philadelphia, Wilmington and Baltimore Railroad
    The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
  • E. 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.
  • 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_69a2e8465ef481909655c681b01e2986 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2ef26bb78819089b3b5dac0330619 completed Feb. 28, 2026, 1:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69a44cb7001881908b91a1a1ab32ce41 completed March 1, 2026, 2:27 p.m.
NEDg Description generation batch_69a44d71f7bc8190acf5c1aeb9f915d1 completed March 1, 2026, 2:30 p.m.
NED2 Entity disambiguation (via description) batch_69a44dcf7364819092bd656b0da97d03 completed March 1, 2026, 2:31 p.m.
Created at: Feb. 28, 2026, 1:11 p.m.