Triple

T3710159
Position Surface form Disambiguated ID Type / Status
Subject North County Transit District E80989 entity
Predicate hasAbbreviation P43 FINISHED
Object NCTD
NCTD is a public transportation agency serving northern San Diego County, California, operating bus and rail services including the COASTER, SPRINTER, and BREEZE.
 E381798 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: NCTD | Statement: [North County Transit District, hasAbbreviation, NCTD]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: NCTD
Context triple: [North County Transit District, hasAbbreviation, NCTD]
  • A. C-TRAN
    C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
  • B. Tri-Rail
    Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
  • C. RTA Rail
    RTA Rail is the light and heavy rail transit system serving Cleveland and its surrounding areas, operated by the Greater Cleveland Regional Transit Authority.
  • D. STL Metro
    STL Metro is a public transit system serving the St. Louis metropolitan area with buses and light rail services.
  • E. Nashua Transit System
    Nashua Transit System is the primary public bus transportation agency serving the city of Nashua, New Hampshire.
  • 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: NCTD
Triple: [North County Transit District, hasAbbreviation, NCTD]
Generated description
NCTD is a public transportation agency serving northern San Diego County, California, operating bus and rail services including the COASTER, SPRINTER, and BREEZE.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: NCTD
Target entity description: NCTD is a public transportation agency serving northern San Diego County, California, operating bus and rail services including the COASTER, SPRINTER, and BREEZE.
  • A. C-TRAN
    C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
  • B. Tri-Rail
    Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
  • C. RTA Rail
    RTA Rail is the light and heavy rail transit system serving Cleveland and its surrounding areas, operated by the Greater Cleveland Regional Transit Authority.
  • D. STL Metro
    STL Metro is a public transit system serving the St. Louis metropolitan area with buses and light rail services.
  • E. Nashua Transit System
    Nashua Transit System is the primary public bus transportation agency serving the city of Nashua, New Hampshire.
  • 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_69ad8b1793888190a5f70e4b21dc05a1 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adc584b86c8190ba1a1073da440b07 completed March 8, 2026, 6:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4ce052660819089ad899a20b8a720 completed March 14, 2026, 2:55 a.m.
NEDg Description generation batch_69b4cf85b968819085dad34a80767984 completed March 14, 2026, 3:01 a.m.
NED2 Entity disambiguation (via description) batch_69b4cfecf2bc8190afb3bd8ebfd3cc64 completed March 14, 2026, 3:03 a.m.
Created at: March 8, 2026, 3:33 p.m.