Triple

T1299308
Position Surface form Disambiguated ID Type / Status
Subject Penn Line E27724 entity
Predicate intermediateStop P24280 FINISHED
Object Seabrook station
Seabrook station is a commuter rail stop in Seabrook, Maryland, served by MARC trains on the Penn Line between Washington, D.C., and Baltimore.
 E147595 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: Seabrook station | Statement: [Penn Line, intermediateStop, Seabrook station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seabrook station
Context triple: [Penn Line, intermediateStop, Seabrook station]
  • A. Seabrook
    Seabrook is a residential area or neighborhood located within the town of Mashpee on Cape Cod in Massachusetts.
  • B. Calvert Cliffs Nuclear Power Plant
    Calvert Cliffs Nuclear Power Plant is a two-unit pressurized water nuclear power station on the western shore of the Chesapeake Bay that generates electricity for the Mid-Atlantic region.
  • C. Hope Creek Nuclear Generating Station
    Hope Creek Nuclear Generating Station is a single-unit boiling water nuclear power plant located in Lower Alloways Creek Township, New Jersey, that generates electricity for the regional grid.
  • D. Hatch Nuclear Power Plant
    Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
  • E. Enrico Fermi Nuclear Generating Station
    The Enrico Fermi Nuclear Generating Station is a nuclear power plant complex located on the shore of Lake Erie in Michigan, known for housing multiple reactor units including the Fermi 2 boiling water reactor.
  • 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: Seabrook station
Triple: [Penn Line, intermediateStop, Seabrook station]
Generated description
Seabrook station is a commuter rail stop in Seabrook, Maryland, served by MARC trains on the Penn Line between Washington, D.C., and Baltimore.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Seabrook station
Target entity description: Seabrook station is a commuter rail stop in Seabrook, Maryland, served by MARC trains on the Penn Line between Washington, D.C., and Baltimore.
  • A. Seabrook
    Seabrook is a residential area or neighborhood located within the town of Mashpee on Cape Cod in Massachusetts.
  • B. Calvert Cliffs Nuclear Power Plant
    Calvert Cliffs Nuclear Power Plant is a two-unit pressurized water nuclear power station on the western shore of the Chesapeake Bay that generates electricity for the Mid-Atlantic region.
  • C. Hope Creek Nuclear Generating Station
    Hope Creek Nuclear Generating Station is a single-unit boiling water nuclear power plant located in Lower Alloways Creek Township, New Jersey, that generates electricity for the regional grid.
  • D. Hatch Nuclear Power Plant
    Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
  • E. Enrico Fermi Nuclear Generating Station
    The Enrico Fermi Nuclear Generating Station is a nuclear power plant complex located on the shore of Lake Erie in Michigan, known for housing multiple reactor units including the Fermi 2 boiling water reactor.
  • 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_69a496d6682881909ba658f1c1e0e2b0 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c48bec548190b25d4a74b323cc1b completed March 1, 2026, 10:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69acacc631b88190853948eeb5f24527 completed March 7, 2026, 10:55 p.m.
NEDg Description generation batch_69acad4b2234819097d94df7812d3b13 completed March 7, 2026, 10:57 p.m.
NED2 Entity disambiguation (via description) batch_69acadf94f0881908b0be66e37b8c04a completed March 7, 2026, 11 p.m.
Created at: March 1, 2026, 7:51 p.m.