Triple

T14077595
Position Surface form Disambiguated ID Type / Status
Subject Washington Street Elevated E338777 entity
Predicate servedStation P726 FINISHED
Object East Berkeley (later Broadway) area station
East Berkeley (later Broadway) area station was a former rapid transit stop on Boston’s Washington Street Elevated line that served the South End/Chinatown area before the line’s closure.
E1077173 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: East Berkeley (later Broadway) area station | Statement: [Washington Street Elevated, servedStation, East Berkeley (later Broadway) area station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East Berkeley (later Broadway) area station
Context triple: [Washington Street Elevated, servedStation, East Berkeley (later Broadway) area station]
  • A. Downtown Berkeley station
    Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, California.
  • B. Downtown Berkeley
    Downtown Berkeley is the city’s central commercial and cultural district, known for its shops, restaurants, arts venues, and proximity to the UC Berkeley campus and BART station.
  • C. North Berkeley station
    North Berkeley station is a Bay Area Rapid Transit (BART) station in Berkeley, California, serving as a local transit hub on the system’s Richmond line.
  • D. San Francisco State University station
    San Francisco State University station is a light rail stop on San Francisco’s Muni Metro system serving the San Francisco State University campus and surrounding area.
  • E. Southside neighborhood of Berkeley
    The Southside neighborhood of Berkeley is a dense, student-oriented area just south of the UC Berkeley campus, known for its housing, shops, and vibrant street life.
  • 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: East Berkeley (later Broadway) area station
Triple: [Washington Street Elevated, servedStation, East Berkeley (later Broadway) area station]
Generated description
East Berkeley (later Broadway) area station was a former rapid transit stop on Boston’s Washington Street Elevated line that served the South End/Chinatown area before the line’s closure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: East Berkeley (later Broadway) area station
Target entity description: East Berkeley (later Broadway) area station was a former rapid transit stop on Boston’s Washington Street Elevated line that served the South End/Chinatown area before the line’s closure.
  • A. Downtown Berkeley station
    Downtown Berkeley station is a major underground Bay Area Rapid Transit (BART) stop serving the commercial core and university area of Berkeley, California.
  • B. Downtown Berkeley
    Downtown Berkeley is the city’s central commercial and cultural district, known for its shops, restaurants, arts venues, and proximity to the UC Berkeley campus and BART station.
  • C. North Berkeley station
    North Berkeley station is a Bay Area Rapid Transit (BART) station in Berkeley, California, serving as a local transit hub on the system’s Richmond line.
  • D. San Francisco State University station
    San Francisco State University station is a light rail stop on San Francisco’s Muni Metro system serving the San Francisco State University campus and surrounding area.
  • E. Southside neighborhood of Berkeley
    The Southside neighborhood of Berkeley is a dense, student-oriented area just south of the UC Berkeley campus, known for its housing, shops, and vibrant street life.
  • 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.