Triple

T1299313
Position Surface form Disambiguated ID Type / Status
Subject Penn Line E27724 entity
Predicate intermediateStop P24280 FINISHED
Object West Baltimore station
West Baltimore station is a commuter rail stop in Baltimore, Maryland, served by MARC’s Penn Line trains along the busy Northeast Corridor.
 E161813 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: West Baltimore station | Statement: [Penn Line, intermediateStop, West Baltimore station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: West Baltimore station
Context triple: [Penn Line, intermediateStop, West Baltimore station]
  • A. Pennsylvania Station (Baltimore)
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • B. Union Station (Baltimore)
    Union Station (Baltimore) was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.
  • C. Germantown station
    Germantown station is a commuter rail stop in Germantown, Maryland, served by MARC’s Brunswick Line connecting the area to Washington, D.C.
  • D. Brunswick station
    Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
  • E. Potomac Avenue station
    Potomac Avenue station is a Washington Metro rapid transit station in Washington, D.C., served by the Blue, Orange, and Silver Lines.
  • 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: West Baltimore station
Triple: [Penn Line, intermediateStop, West Baltimore station]
Generated description
West Baltimore station is a commuter rail stop in Baltimore, Maryland, served by MARC’s Penn Line trains along the busy Northeast Corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: West Baltimore station
Target entity description: West Baltimore station is a commuter rail stop in Baltimore, Maryland, served by MARC’s Penn Line trains along the busy Northeast Corridor.
  • A. Pennsylvania Station (Baltimore)
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • B. Union Station (Baltimore)
    Union Station (Baltimore) was an earlier major railroad terminal in Baltimore that served as the city's primary passenger rail hub before being superseded by Pennsylvania Station.
  • C. Germantown station
    Germantown station is a commuter rail stop in Germantown, Maryland, served by MARC’s Brunswick Line connecting the area to Washington, D.C.
  • D. Brunswick station
    Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
  • E. Potomac Avenue station
    Potomac Avenue station is a Washington Metro rapid transit station in Washington, D.C., served by the Blue, Orange, and Silver Lines.
  • 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_69ace55f2c288190b8315794b11a7e65 completed March 8, 2026, 2:56 a.m.
NEDg Description generation batch_69ace61b0ba08190930f9e21d28b4449 completed March 8, 2026, 2:59 a.m.
NED2 Entity disambiguation (via description) batch_69ace6b543ec819080a5ddeed0273644 completed March 8, 2026, 3:02 a.m.
Created at: March 1, 2026, 7:51 p.m.