Triple

T9304880
Position Surface form Disambiguated ID Type / Status
Subject Daly City station E223856 entity
Predicate hasStationCode P1289 FINISHED
Object DCY
DCY is the station code for Daly City station, a Bay Area Rapid Transit (BART) rail station serving the city of Daly City, California.
 E790370 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: DCY | Statement: [Daly City station, hasStationCode, DCY]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: DCY
Context triple: [Daly City station, hasStationCode, DCY]
  • A. CDY
    CDY is the National Rail station code for Cartsdyke railway station in Greenock, Scotland.
  • B. DY
    DY is the IATA airline designator used by Norwegian Air Shuttle, a major low-cost carrier based in Norway.
  • C. DY
    DY is a UK postcode area in the West Midlands region, covering towns such as Dudley and surrounding districts.
  • D. DCH
    DCH is the Georgia state agency responsible for overseeing public health care programs, including Medicaid and PeachCare for Kids, and regulating health care facilities.
  • E. CYDP
    CYDP is the ICAO airport code assigned to Nain Airport in Newfoundland and Labrador, Canada.
  • 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: DCY
Triple: [Daly City station, hasStationCode, DCY]
Generated description
DCY is the station code for Daly City station, a Bay Area Rapid Transit (BART) rail station serving the city of Daly City, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: DCY
Target entity description: DCY is the station code for Daly City station, a Bay Area Rapid Transit (BART) rail station serving the city of Daly City, California.
  • A. CDY
    CDY is the National Rail station code for Cartsdyke railway station in Greenock, Scotland.
  • B. DY
    DY is the IATA airline designator used by Norwegian Air Shuttle, a major low-cost carrier based in Norway.
  • C. DY
    DY is a UK postcode area in the West Midlands region, covering towns such as Dudley and surrounding districts.
  • D. DCH
    DCH is the Georgia state agency responsible for overseeing public health care programs, including Medicaid and PeachCare for Kids, and regulating health care facilities.
  • E. CYDP
    CYDP is the ICAO airport code assigned to Nain Airport in Newfoundland and Labrador, Canada.
  • 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_69ca8424d0f08190831e2e93c6533aeb completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd1da623ac81908bab6dfb1bbce25d completed April 1, 2026, 1:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69d0b2735d788190bd8f963562fb85a8 completed April 4, 2026, 6:40 a.m.
NEDg Description generation batch_69d0b4231b708190b8a4a342bc63e84d completed April 4, 2026, 6:48 a.m.
NED2 Entity disambiguation (via description) batch_69d0b4b8131c8190b2aa8be56925b7bc completed April 4, 2026, 6:50 a.m.
Created at: March 30, 2026, 7:36 p.m.