Triple

T21123123
Position Surface form Disambiguated ID Type / Status
Subject Elkton station (Maryland) E520482 entity
Predicate servedRoute P1293 FINISHED
Object Baltimore–Philadelphia route
The Baltimore–Philadelphia route is a historic rail corridor in the Mid-Atlantic United States that connects Baltimore, Maryland, with Philadelphia, Pennsylvania, and includes intermediate stops such as Elkton, Maryland.
E1467308 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: Baltimore–Philadelphia route | Statement: [Elkton station (Maryland), servedRoute, Baltimore–Philadelphia route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Baltimore–Philadelphia route
Context triple: [Elkton station (Maryland), servedRoute, Baltimore–Philadelphia route]
  • A. Baltimore–Harrisburg corridor
    The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
  • B. Philadelphia–Camden corridor
    The Philadelphia–Camden corridor is a major bi-state urban and transportation axis linking Philadelphia, Pennsylvania, with Camden, New Jersey, and surrounding communities.
  • C. Winslow Junction–Atlantic City route
    The Winslow Junction–Atlantic City route is a rail line in southern New Jersey that connects the inland junction at Winslow with the coastal resort city of Atlantic City.
  • D. Main Line (Philadelphia to Pittsburgh)
    Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
  • E. Washington–Baltimore rail corridor
    The Washington–Baltimore rail corridor is a heavily traveled rail route linking the U.S. capital with Baltimore, used by both passenger and freight services and forming a key segment of the Northeast transportation network.
  • 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: Baltimore–Philadelphia route
Triple: [Elkton station (Maryland), servedRoute, Baltimore–Philadelphia route]
Generated description
The Baltimore–Philadelphia route is a historic rail corridor in the Mid-Atlantic United States that connects Baltimore, Maryland, with Philadelphia, Pennsylvania, and includes intermediate stops such as Elkton, Maryland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Baltimore–Philadelphia route
Target entity description: The Baltimore–Philadelphia route is a historic rail corridor in the Mid-Atlantic United States that connects Baltimore, Maryland, with Philadelphia, Pennsylvania, and includes intermediate stops such as Elkton, Maryland.
  • A. Baltimore–Harrisburg corridor
    The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
  • B. Philadelphia–Camden corridor
    The Philadelphia–Camden corridor is a major bi-state urban and transportation axis linking Philadelphia, Pennsylvania, with Camden, New Jersey, and surrounding communities.
  • C. Winslow Junction–Atlantic City route
    The Winslow Junction–Atlantic City route is a rail line in southern New Jersey that connects the inland junction at Winslow with the coastal resort city of Atlantic City.
  • D. Main Line (Philadelphia to Pittsburgh)
    Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
  • E. Washington–Baltimore rail corridor
    The Washington–Baltimore rail corridor is a heavily traveled rail route linking the U.S. capital with Baltimore, used by both passenger and freight services and forming a key segment of the Northeast transportation network.
  • 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_69e0b50a623881909c0bbaf4f2c055e7 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e72236b2d88190bef9f0cd6924ca92 completed April 21, 2026, 7:07 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0965e9aab88190ae07e2d457950c51 completed May 17, 2026, 6:53 a.m.
NEDg Description generation batch_6a0966879f08819096d6e9e7abe902c5 completed May 17, 2026, 6:56 a.m.
NED2 Entity disambiguation (via description) batch_6a09670fc80c81909cbce03b5e071428 completed May 17, 2026, 6:58 a.m.
Created at: April 16, 2026, 2:55 p.m.