Triple

T6232406
Position Surface form Disambiguated ID Type / Status
Subject San Marcos, California E139386 entity
Predicate hasStation P35 FINISHED
Object Nordahl Road SPRINTER station
Nordahl Road SPRINTER station is a light rail stop on the SPRINTER line serving the San Marcos area in northern San Diego County, California.
 E578447 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: Nordahl Road SPRINTER station | Statement: [San Marcos, California, hasStation, Nordahl Road SPRINTER station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nordahl Road SPRINTER station
Context triple: [San Marcos, California, hasStation, Nordahl Road SPRINTER station]
  • A. Naylor Road station
    Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
  • B. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • C. Route 59 station
    Route 59 station is a major commuter rail stop in the Chicago suburbs, serving as one of the busiest stations on Metra’s BNSF Railway Line.
  • D. Sand Lake Road station
    Sand Lake Road station is a commuter rail stop in Orlando, Florida, serving as part of the SunRail regional rail system.
  • E. Parker Road Station
    Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
  • 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: Nordahl Road SPRINTER station
Triple: [San Marcos, California, hasStation, Nordahl Road SPRINTER station]
Generated description
Nordahl Road SPRINTER station is a light rail stop on the SPRINTER line serving the San Marcos area in northern San Diego County, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nordahl Road SPRINTER station
Target entity description: Nordahl Road SPRINTER station is a light rail stop on the SPRINTER line serving the San Marcos area in northern San Diego County, California.
  • A. Naylor Road station
    Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
  • B. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • C. Route 59 station
    Route 59 station is a major commuter rail stop in the Chicago suburbs, serving as one of the busiest stations on Metra’s BNSF Railway Line.
  • D. Sand Lake Road station
    Sand Lake Road station is a commuter rail stop in Orlando, Florida, serving as part of the SunRail regional rail system.
  • E. Parker Road Station
    Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
  • 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_69c008b0e7ac8190808a59573ee646f3 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c062ee6f088190bf72692eb8ffb761 completed March 22, 2026, 9:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69c20defd338819099a23d00107c4edd completed March 24, 2026, 4:07 a.m.
NEDg Description generation batch_69c211c3c60c8190bd5e4f002c1569e0 completed March 24, 2026, 4:23 a.m.
NED2 Entity disambiguation (via description) batch_69c214b9b83881909da9fedc7ce60f39 completed March 24, 2026, 4:36 a.m.
Created at: March 22, 2026, 4:22 p.m.