Triple

T18880558
Position Surface form Disambiguated ID Type / Status
Subject UC San Diego Blue Line E461814 entity
Predicate hasStation P35 FINISHED
Object E Street station
E Street station is a light rail stop on the UC San Diego Blue Line of the San Diego Trolley system in Chula Vista, California.
E1347306 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: E Street station | Statement: [UC San Diego Blue Line, hasStation, E Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: E Street station
Context triple: [UC San Diego Blue Line, hasStation, E Street station]
  • A. Broad Street station
    Broad Street station is the former name of what is now known as Military Park station, a Newark Light Rail stop in downtown Newark, New Jersey.
  • B. Woodstock station
    Woodstock station is a historic Metra commuter rail station in Woodstock, Illinois, serving the Union Pacific Northwest Line to and from Chicago.
  • C. Broad Street Station (Philadelphia)
    Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
  • D. South Street station
    South Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston–Brighton neighborhood.
  • E. Uptown Station
    Uptown Station is a major intermodal transportation hub in Normal, Illinois, serving Amtrak rail passengers, local and regional buses, and providing civic and commercial space.
  • 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: E Street station
Triple: [UC San Diego Blue Line, hasStation, E Street station]
Generated description
E Street station is a light rail stop on the UC San Diego Blue Line of the San Diego Trolley system in Chula Vista, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: E Street station
Target entity description: E Street station is a light rail stop on the UC San Diego Blue Line of the San Diego Trolley system in Chula Vista, California.
  • A. Broad Street station
    Broad Street station is the former name of what is now known as Military Park station, a Newark Light Rail stop in downtown Newark, New Jersey.
  • B. Woodstock station
    Woodstock station is a historic Metra commuter rail station in Woodstock, Illinois, serving the Union Pacific Northwest Line to and from Chicago.
  • C. Broad Street Station (Philadelphia)
    Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
  • D. South Street station
    South Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston–Brighton neighborhood.
  • E. Uptown Station
    Uptown Station is a major intermodal transportation hub in Normal, Illinois, serving Amtrak rail passengers, local and regional buses, and providing civic and commercial space.
  • 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_69d8dcfc3430819095ee6fc0eb4c06a5 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c3d133f08190a482e601c1866662 completed April 20, 2026, 6:12 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0575c37ed081908e70d965dbea09c8 completed May 14, 2026, 7:12 a.m.
NEDg Description generation batch_6a057697121481909dc6f19aa9549262 completed May 14, 2026, 7:15 a.m.
NED2 Entity disambiguation (via description) batch_6a057761268481908589088ab2f5c2e7 completed May 14, 2026, 7:18 a.m.
Created at: April 10, 2026, 11:57 a.m.