Triple

T11929324
Position Surface form Disambiguated ID Type / Status
Subject Redwood City Station E283868 entity
Predicate hasStationCode P1289 FINISHED
Object RCY
RCY is the station code for Redwood City Station, a Caltrain commuter rail stop in Redwood City, California.
E955562 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: RCY | Statement: [Redwood City Station, hasStationCode, RCY]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: RCY
Context triple: [Redwood City Station, hasStationCode, RCY]
  • A. CYC
    CYC is the Commonwealth Youth Council, the official representative body for young people across Commonwealth member states that advocates for youth interests and participation in governance.
  • B. RCK
    RCK is the standard abbreviation used for the Rockford Rivets baseball team.
  • C. 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.
  • D. CY
    CY is the two-letter ISO 3166-1 alpha-2 country code assigned to Cyprus for international standardization and identification purposes.
  • E. UCY
    UCY is a public research university in Nicosia, Cyprus, known for its strong academic programs and role as the country’s leading higher education institution.
  • 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: RCY
Triple: [Redwood City Station, hasStationCode, RCY]
Generated description
RCY is the station code for Redwood City Station, a Caltrain commuter rail stop in Redwood City, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: RCY
Target entity description: RCY is the station code for Redwood City Station, a Caltrain commuter rail stop in Redwood City, California.
  • A. CYC
    CYC is the Commonwealth Youth Council, the official representative body for young people across Commonwealth member states that advocates for youth interests and participation in governance.
  • B. RCK
    RCK is the standard abbreviation used for the Rockford Rivets baseball team.
  • C. 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.
  • D. CY
    CY is the two-letter ISO 3166-1 alpha-2 country code assigned to Cyprus for international standardization and identification purposes.
  • E. UCY
    UCY is a public research university in Nicosia, Cyprus, known for its strong academic programs and role as the country’s leading higher education institution.
  • 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_69d6ab2ce9c48190b5d39511b524f666 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d90303a9a88190a4044e6310ba9b4b completed April 10, 2026, 2:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69f440611e648190b2c47b43f02d2e4b completed May 1, 2026, 5:55 a.m.
NEDg Description generation batch_69f448fb898081908a8ffd0da703c0f9 completed May 1, 2026, 6:32 a.m.
NED2 Entity disambiguation (via description) batch_69f44b9e662881908549e041f6a05e38 completed May 1, 2026, 6:43 a.m.
Created at: April 8, 2026, 9:45 p.m.