Triple

T4249000
Position Surface form Disambiguated ID Type / Status
Subject Sounder commuter rail E95798 entity
Predicate hasLine P35 FINISHED
Object S Line
The S Line is a route within the Sounder commuter rail system that provides passenger rail service in the Seattle metropolitan area.
 E443241 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: S Line | Statement: [Sounder commuter rail, hasLine, S Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: S Line
Context triple: [Sounder commuter rail, hasLine, S Line]
  • A. S Line
    The S Line is a modern streetcar route in the Salt Lake City area that provides local transit service and links neighborhoods to the broader TRAX light rail network.
  • B. L Line
    The L Line was a light rail route in the Los Angeles Metro Rail system that connected communities across the San Gabriel Valley and Eastside before being integrated into other lines.
  • C. J Line
    The J Line is a bus rapid transit route in the Los Angeles Metro system that provides high-frequency, limited-stop service across key corridors in the region.
  • D. T Line
    The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
  • E. Pink Line
    The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
  • 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: S Line
Triple: [Sounder commuter rail, hasLine, S Line]
Generated description
The S Line is a route within the Sounder commuter rail system that provides passenger rail service in the Seattle metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: S Line
Target entity description: The S Line is a route within the Sounder commuter rail system that provides passenger rail service in the Seattle metropolitan area.
  • A. S Line
    The S Line is a modern streetcar route in the Salt Lake City area that provides local transit service and links neighborhoods to the broader TRAX light rail network.
  • B. L Line
    The L Line was a light rail route in the Los Angeles Metro Rail system that connected communities across the San Gabriel Valley and Eastside before being integrated into other lines.
  • C. J Line
    The J Line is a bus rapid transit route in the Los Angeles Metro system that provides high-frequency, limited-stop service across key corridors in the region.
  • D. T Line
    The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
  • E. Pink Line
    The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
  • 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_69b3453f759881909b91f01a1e82c036 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34e9df10881908a2f039773f8afaa completed March 12, 2026, 11:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69b63734dee08190a9c0e051a28d9177 completed March 15, 2026, 4:36 a.m.
NEDg Description generation batch_69b637b12bcc8190b040927ba9a5b24f completed March 15, 2026, 4:38 a.m.
NED2 Entity disambiguation (via description) batch_69b6383aecb081908c0dc402b8f4add5 completed March 15, 2026, 4:40 a.m.
Created at: March 12, 2026, 11:06 p.m.