Triple

T21566623
Position Surface form Disambiguated ID Type / Status
Subject Metro Transit (St. Louis) E532177 entity
Predicate alsoKnownAs P39 FINISHED
Object Metro
Metro is the public transportation agency serving the St. Louis metropolitan area, operating bus, light rail, and paratransit services.
E532177 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: Metro | Statement: [Metro Transit (St. Louis), alsoKnownAs, Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metro
Context triple: [Metro Transit (St. Louis), alsoKnownAs, Metro]
  • A. Metro
    Metro is the rapid transit system serving the Washington, D.C. metropolitan area, operated by the Washington Metropolitan Area Transit Authority (WMATA).
  • B. Metro
    Metro is the primary public transportation agency serving Los Angeles County, operating buses, light rail, subway, and other transit services across the region.
  • C. Metro
    "Metro" is a Russian disaster thriller film featuring Svetlana Khodchenkova in a prominent role, centered on a catastrophic flood in the Moscow subway system.
  • D. Metro
    Metro is a multinational wholesale and food retail company headquartered in Germany, operating cash-and-carry stores and serving professional customers worldwide.
  • E. Metro
    Metro is a city in the Indonesian province of Lampung on the island of Sumatra, known as one of the region’s key urban and educational centers.
  • 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: Metro
Triple: [Metro Transit (St. Louis), alsoKnownAs, Metro]
Generated description
Metro is the public transportation agency serving the St. Louis metropolitan area, operating bus, light rail, and paratransit services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metro
Target entity description: Metro is the public transportation agency serving the St. Louis metropolitan area, operating bus, light rail, and paratransit services.
  • A. Metro chosen
    Metro is the public transportation agency serving the St. Louis metropolitan area, operating bus, light rail, and paratransit services.
  • B. Metro
    Metro is the primary public transportation agency serving Los Angeles County, operating buses, light rail, subway, and other transit services across the region.
  • C. Metro
    Metro is a public transport brand operated under Translink, providing urban bus and related transit services.
  • D. Metro
    Metro is the rapid transit system serving the Washington, D.C. metropolitan area, operated by the Washington Metropolitan Area Transit Authority (WMATA).
  • E. Metro
    Metro is the public transport brand used for bus and rail services across West Yorkshire, England.
  • F. None of above.

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_69e0c460db088190828c64206a450273 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69eee9c912a08190952bbc9217a957d9 completed April 27, 2026, 4:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09eeef32cc81908e4d6f4aebd3de1a completed May 17, 2026, 4:38 p.m.
NEDg Description generation batch_6a09efd967d481909c9e0bc1c3f18f4a completed May 17, 2026, 4:42 p.m.
NED2 Entity disambiguation (via description) batch_6a09f06905108190b77d5bd95f261f3b completed May 17, 2026, 4:44 p.m.
Created at: April 16, 2026, 6:30 p.m.