Triple

T14077596
Position Surface form Disambiguated ID Type / Status
Subject Washington Street Elevated E338777 entity
Predicate servedStation P726 FINISHED
Object Essex (later Chinatown) station
Essex (later Chinatown) station was a former Boston elevated rapid transit stop on the Washington Street Elevated that served the downtown Chinatown area before its closure and replacement by the modern Orange Line Chinatown station.
 E1077174 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: Essex (later Chinatown) station | Statement: [Washington Street Elevated, servedStation, Essex (later Chinatown) station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Essex (later Chinatown) station
Context triple: [Washington Street Elevated, servedStation, Essex (later Chinatown) station]
  • A. Essex Street station
    Essex Street station is a New Jersey Transit commuter rail stop in Hackensack, New Jersey, serving passengers on the Pascack Valley Line.
  • B. Kings Avenue Station
    Kings Avenue Station is an elevated stop on Jacksonville’s automated Jacksonville Skyway people mover system, serving the city’s Southbank area.
  • C. Chatham station
    Chatham station is a commuter rail stop on NJ Transit's Morris & Essex Lines serving residents of Chatham Borough and the surrounding area.
  • D. Park Street station
    Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
  • E. Capen Street station
    Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • 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: Essex (later Chinatown) station
Triple: [Washington Street Elevated, servedStation, Essex (later Chinatown) station]
Generated description
Essex (later Chinatown) station was a former Boston elevated rapid transit stop on the Washington Street Elevated that served the downtown Chinatown area before its closure and replacement by the modern Orange Line Chinatown station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Essex (later Chinatown) station
Target entity description: Essex (later Chinatown) station was a former Boston elevated rapid transit stop on the Washington Street Elevated that served the downtown Chinatown area before its closure and replacement by the modern Orange Line Chinatown station.
  • A. Essex Street station
    Essex Street station is a New Jersey Transit commuter rail stop in Hackensack, New Jersey, serving passengers on the Pascack Valley Line.
  • B. Kings Avenue Station
    Kings Avenue Station is an elevated stop on Jacksonville’s automated Jacksonville Skyway people mover system, serving the city’s Southbank area.
  • C. Chatham station
    Chatham station is a commuter rail stop on NJ Transit's Morris & Essex Lines serving residents of Chatham Borough and the surrounding area.
  • D. Park Street station
    Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
  • E. Capen Street station
    Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • 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.