Triple

T1259911
Position Surface form Disambiguated ID Type / Status
Subject Bi-State Development Agency E12474 entity
Predicate operates P24 FINISHED
Object Metro Transit (St. Louis)
Metro Transit (St. Louis) is the public transportation system serving the St. Louis metropolitan area, providing bus, light rail, and paratransit services.
 E144193 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 Transit (St. Louis) | Statement: [Bi-State Development Agency, operates, Metro Transit (St. Louis)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro Transit (St. Louis)
Context triple: [Bi-State Development Agency, operates, Metro Transit (St. Louis)]
  • A. Metro Transit
    Metro Transit is the primary public transportation agency for the Minneapolis–Saint Paul metropolitan area, operating buses, light rail, and commuter rail services.
  • B. Trinity Metro
    Trinity Metro is the public transportation agency that operates bus and rail services, including commuter rail, in the Fort Worth area of the Dallas–Fort Worth metroplex in Texas.
  • C. Sangamon Mass Transit District
    Sangamon Mass Transit District is the primary public bus transportation agency serving Springfield and surrounding areas in Sangamon County, Illinois.
  • D. Charlotte Area Transit System
    Charlotte Area Transit System is the primary public transportation agency serving the Charlotte metropolitan area with bus, light rail, and other transit services.
  • E. STC Metro
    STC Metro is the rapid transit system serving Mexico City and some surrounding areas, known as one of the largest and busiest metro networks in Latin America.
  • 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 Transit (St. Louis)
Triple: [Bi-State Development Agency, operates, Metro Transit (St. Louis)]
Generated description
Metro Transit (St. Louis) is the public transportation system serving the St. Louis metropolitan area, providing bus, light rail, and paratransit services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Metro Transit (St. Louis)
Target entity description: Metro Transit (St. Louis) is the public transportation system serving the St. Louis metropolitan area, providing bus, light rail, and paratransit services.
  • A. Metro Transit
    Metro Transit is the primary public transportation agency for the Minneapolis–Saint Paul metropolitan area, operating buses, light rail, and commuter rail services.
  • B. Trinity Metro
    Trinity Metro is the public transportation agency that operates bus and rail services, including commuter rail, in the Fort Worth area of the Dallas–Fort Worth metroplex in Texas.
  • C. Sangamon Mass Transit District
    Sangamon Mass Transit District is the primary public bus transportation agency serving Springfield and surrounding areas in Sangamon County, Illinois.
  • D. Charlotte Area Transit System
    Charlotte Area Transit System is the primary public transportation agency serving the Charlotte metropolitan area with bus, light rail, and other transit services.
  • E. STC Metro
    STC Metro is the rapid transit system serving Mexico City and some surrounding areas, known as one of the largest and busiest metro networks in Latin America.
  • 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_69a4933352e08190ac617291985e76c0 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4bfc503e88190b237210a61228dd8 completed March 1, 2026, 10:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac93d044bc819091fd0cfa7a957640 completed March 7, 2026, 9:08 p.m.
NEDg Description generation batch_69ac9454d3f48190b4a8c7a8280bc6bd completed March 7, 2026, 9:10 p.m.
NED2 Entity disambiguation (via description) batch_69ac95da6e7c8190a0a719aa9c9f7a51 completed March 7, 2026, 9:17 p.m.
Created at: March 1, 2026, 7:50 p.m.