Triple

T14077594
Position Surface form Disambiguated ID Type / Status
Subject Washington Street Elevated E338777 entity
Predicate servedStation P726 FINISHED
Object Dover station
Dover station was a former rapid transit stop on Boston’s Washington Street Elevated line, part of the city’s early elevated railway system.
E1077172 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: Dover station | Statement: [Washington Street Elevated, servedStation, Dover station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dover station
Context triple: [Washington Street Elevated, servedStation, Dover station]
  • A. Dover station
    Dover station is a commuter rail station in Dover, New Jersey, serving as a key stop on NJ Transit's Morris & Essex Lines.
  • B. Norfolk station
    Norfolk station is a passenger rail terminal in Norfolk, Virginia, serving as one of the key Amtrak endpoints in the Hampton Roads region.
  • C. Seaford station
    Seaford station is a Long Island Rail Road commuter rail stop in Seaford, New York, serving passengers traveling between Long Island and New York City.
  • D. Dover
    Dover is a small town in eastern Dutchess County, New York, known for its rural character and location near the Connecticut border.
  • E. Dover
    Dover is a residential and educational neighborhood in western Singapore, known for its proximity to universities and polytechnics.
  • 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: Dover station
Triple: [Washington Street Elevated, servedStation, Dover station]
Generated description
Dover station was a former rapid transit stop on Boston’s Washington Street Elevated line, part of the city’s early elevated railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dover station
Target entity description: Dover station was a former rapid transit stop on Boston’s Washington Street Elevated line, part of the city’s early elevated railway system.
  • A. Dover station
    Dover station is a commuter rail station in Dover, New Jersey, serving as a key stop on NJ Transit's Morris & Essex Lines.
  • B. Norfolk station
    Norfolk station is a passenger rail terminal in Norfolk, Virginia, serving as one of the key Amtrak endpoints in the Hampton Roads region.
  • C. Seaford station
    Seaford station is a Long Island Rail Road commuter rail stop in Seaford, New York, serving passengers traveling between Long Island and New York City.
  • D. Dover
    Dover is a residential and educational neighborhood in western Singapore, known for its proximity to universities and polytechnics.
  • E. Dover
    Dover is a coastal town in southeast England best known for its white chalk cliffs and its strategic port facing the narrowest part of the English Channel.
  • 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_69d81c687b0c819087fd9ed4198403f8 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de5c5cdd288190914e1d57321b3554 completed April 14, 2026, 3:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69fcb670f51c819088e8d0137f8d3bb1 completed May 7, 2026, 3:57 p.m.
NEDg Description generation batch_69fcbef464248190881012d92777557c completed May 7, 2026, 4:33 p.m.
NED2 Entity disambiguation (via description) batch_69fcbfbae7608190a8d8cf0fa270df9d completed May 7, 2026, 4:37 p.m.
Created at: April 9, 2026, 10:21 p.m.