Triple

T22262786
Position Surface form Disambiguated ID Type / Status
Subject Port Authority light rail E550270 entity
Predicate hasStation P35 FINISHED
Object Station Square station
Station Square station is a light rail stop in Pittsburgh, Pennsylvania, serving the Port Authority’s network and providing access to the Station Square commercial and entertainment complex along the city’s South Shore.
 E1527556 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: Station Square station | Statement: [Port Authority light rail, hasStation, Station Square station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Station Square station
Context triple: [Port Authority light rail, hasStation, Station Square station]
  • A. Station Square metro station
    Station Square metro station is a major interchange station in the Tbilisi Metro system, serving as a key transit hub adjacent to the city's central railway terminal.
  • B. 38th Street Station
    38th Street Station is a light rail stop in Minneapolis, Minnesota, serving passengers on the METRO Blue Line.
  • C. Gallivan Plaza station
    Gallivan Plaza station is a light rail station in downtown Salt Lake City, Utah, serving the Utah Transit Authority’s TRAX system.
  • D. Midtown station
    Midtown station is a rapid transit station in Atlanta, Georgia, serving the Midtown neighborhood on MARTA’s Red Line.
  • E. Mercantile Center Station
    Mercantile Center Station is a commuter rail stop in Fort Worth, Texas, on the TEXRail line connecting downtown Fort Worth to Dallas/Fort Worth International Airport.
  • 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: Station Square station
Triple: [Port Authority light rail, hasStation, Station Square station]
Generated description
Station Square station is a light rail stop in Pittsburgh, Pennsylvania, serving the Port Authority’s network and providing access to the Station Square commercial and entertainment complex along the city’s South Shore.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Station Square station
Target entity description: Station Square station is a light rail stop in Pittsburgh, Pennsylvania, serving the Port Authority’s network and providing access to the Station Square commercial and entertainment complex along the city’s South Shore.
  • A. Station Square metro station
    Station Square metro station is a major interchange station in the Tbilisi Metro system, serving as a key transit hub adjacent to the city's central railway terminal.
  • B. 38th Street Station
    38th Street Station is a light rail stop in Minneapolis, Minnesota, serving passengers on the METRO Blue Line.
  • C. Gallivan Plaza station
    Gallivan Plaza station is a light rail station in downtown Salt Lake City, Utah, serving the Utah Transit Authority’s TRAX system.
  • D. Midtown station
    Midtown station is a rapid transit station in Atlanta, Georgia, serving the Midtown neighborhood on MARTA’s Red Line.
  • E. Mercantile Center Station
    Mercantile Center Station is a commuter rail stop in Fort Worth, Texas, on the TEXRail line connecting downtown Fort Worth to Dallas/Fort Worth International Airport.
  • 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_69e11e42adb8819087714772ea606709 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f141b94a688190b17c55477993a745 completed April 28, 2026, 11:24 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0ab66a08848190ac34b6af7a116f49 completed May 18, 2026, 6:49 a.m.
NEDg Description generation batch_6a0ab7f904bc81909addafee8773eae0 completed May 18, 2026, 6:55 a.m.
NED2 Entity disambiguation (via description) batch_6a0ab891ba1c81909c9e9a5f29d4eb54 completed May 18, 2026, 6:58 a.m.
Created at: April 16, 2026, 8:39 p.m.