Triple

T1135345
Position Surface form Disambiguated ID Type / Status
Subject MBTA Orange Line E23125 entity
Predicate servesStation P839 FINISHED
Object Chinatown station
Chinatown station is an underground rapid transit stop in downtown Boston’s Chinatown neighborhood, providing access to the MBTA Orange Line and nearby cultural and commercial destinations.
 E159380 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: Chinatown station | Statement: [MBTA Orange Line, servesStation, Chinatown station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chinatown station
Context triple: [MBTA Orange Line, servesStation, Chinatown station]
  • A. Chinatown–Rose Pak station
    Chinatown–Rose Pak station is an underground Muni Metro light rail station in San Francisco’s Chinatown neighborhood, serving as the northern terminus of the Central Subway line.
  • B. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • C. City Hall station
    City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
  • D. Capen Street station
    Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • E. Pershing Square station
    Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
  • 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: Chinatown station
Triple: [MBTA Orange Line, servesStation, Chinatown station]
Generated description
Chinatown station is an underground rapid transit stop in downtown Boston’s Chinatown neighborhood, providing access to the MBTA Orange Line and nearby cultural and commercial destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chinatown station
Target entity description: Chinatown station is an underground rapid transit stop in downtown Boston’s Chinatown neighborhood, providing access to the MBTA Orange Line and nearby cultural and commercial destinations.
  • A. Chinatown–Rose Pak station
    Chinatown–Rose Pak station is an underground Muni Metro light rail station in San Francisco’s Chinatown neighborhood, serving as the northern terminus of the Central Subway line.
  • B. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • C. City Hall station
    City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
  • D. Capen Street station
    Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • E. Pershing Square station
    Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
  • 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_69a493ec75988190b63a11bafaec29b4 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4bbfffaa48190b2534ff4da3544ce completed March 1, 2026, 10:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69acde0684e4819091720c985c317671 completed March 8, 2026, 2:25 a.m.
NEDg Description generation batch_69acde870bac8190bd1c2636fca1dc74 completed March 8, 2026, 2:27 a.m.
NED2 Entity disambiguation (via description) batch_69acdef0bd0c81908e1eeb6851a2368d completed March 8, 2026, 2:29 a.m.
Created at: March 1, 2026, 7:44 p.m.