Triple

T8508338
Position Surface form Disambiguated ID Type / Status
Subject Arrow (San Bernardino–Redlands) service E201390 entity
Predicate alsoKnownAs P39 FINISHED
Object Arrow line
Arrow line is a commuter rail service in California’s Inland Empire that connects San Bernardino and Redlands as part of the regional Arrow (San Bernardino–Redlands) transit corridor.
 E739506 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: Arrow line | Statement: [Arrow (San Bernardino–Redlands) service, alsoKnownAs, Arrow line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Arrow line
Context triple: [Arrow (San Bernardino–Redlands) service, alsoKnownAs, Arrow line]
  • A. A line
    The A line is a major New York City Subway service that runs primarily along the Eighth Avenue Line in Manhattan and extends into Brooklyn and Queens.
  • B. Line L
    Line L is a cable car line of the Medellín Metro system that serves hillside neighborhoods by connecting them to the main urban transit network.
  • C. Line P
    Line P is a cable car line of the Medellín Metro system that serves hillside neighborhoods by connecting them to the city’s main mass transit network.
  • D. Mitre Line
    The Mitre Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city center with several northern suburbs.
  • E. Z line
    The Z line is a rush-hour skip-stop service on the New York City Subway’s J/Z route, running along the BMT Jamaica Line between Queens and Manhattan.
  • 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: Arrow line
Triple: [Arrow (San Bernardino–Redlands) service, alsoKnownAs, Arrow line]
Generated description
Arrow line is a commuter rail service in California’s Inland Empire that connects San Bernardino and Redlands as part of the regional Arrow (San Bernardino–Redlands) transit corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Arrow line
Target entity description: Arrow line is a commuter rail service in California’s Inland Empire that connects San Bernardino and Redlands as part of the regional Arrow (San Bernardino–Redlands) transit corridor.
  • A. A line
    The A line is a major New York City Subway service that runs primarily along the Eighth Avenue Line in Manhattan and extends into Brooklyn and Queens.
  • B. Line L
    Line L is a cable car line of the Medellín Metro system that serves hillside neighborhoods by connecting them to the main urban transit network.
  • C. Line P
    Line P is a cable car line of the Medellín Metro system that serves hillside neighborhoods by connecting them to the city’s main mass transit network.
  • D. Mitre Line
    The Mitre Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city center with several northern suburbs.
  • E. Z line
    The Z line is a rush-hour skip-stop service on the New York City Subway’s J/Z route, running along the BMT Jamaica Line between Queens and Manhattan.
  • 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_69ca8320e5748190ac2c585a0bba8193 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe5df74e8819086b1445cc907e371 completed March 31, 2026, 3:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce4e37b0548190908632fd167efac1 completed April 2, 2026, 11:08 a.m.
NEDg Description generation batch_69ce5245c69c8190a2cd9a23954872e5 completed April 2, 2026, 11:25 a.m.
NED2 Entity disambiguation (via description) batch_69ce52d5c264819098e20971a8093acf completed April 2, 2026, 11:28 a.m.
Created at: March 30, 2026, 6:15 p.m.