Triple

T1924880
Position Surface form Disambiguated ID Type / Status
Subject Metro C Line E40805 entity
Predicate connectsCorridor P5520 FINISHED
Object Norwalk–Redondo Beach corridor
The Norwalk–Redondo Beach corridor is a major east–west transit corridor in Los Angeles County served by the Metro C Line, linking inland Norwalk with the coastal city of Redondo Beach.
E215552 NE FINISHED

How this triple was built (5 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: Norwalk–Redondo Beach corridor | Statement: [Metro C Line, connectsCorridor, Norwalk–Redondo Beach corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Norwalk–Redondo Beach corridor
Context triple: [Metro C Line, connectsCorridor, Norwalk–Redondo Beach corridor]
  • A. Glendale Beeline
    Glendale Beeline is a local public bus transit system serving the city of Glendale, California and its surrounding areas.
  • B. Merritt Parkway
    Merritt Parkway is a historic, scenic limited-access highway in southwestern Connecticut known for its distinctive Art Deco and Moderne-style bridges and tree-lined route.
  • C. The Main Line
    "The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
  • D. Alameda Corridor
    The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
  • E. Orange County Line
    Orange County Line is a Metrolink commuter rail service in Southern California that connects Los Angeles with cities in Orange County and northern San Diego County.
  • 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: Norwalk–Redondo Beach corridor
Triple: [Metro C Line, connectsCorridor, Norwalk–Redondo Beach corridor]
Generated description
The Norwalk–Redondo Beach corridor is a major east–west transit corridor in Los Angeles County served by the Metro C Line, linking inland Norwalk with the coastal city of Redondo Beach.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Norwalk–Redondo Beach corridor
Target entity description: The Norwalk–Redondo Beach corridor is a major east–west transit corridor in Los Angeles County served by the Metro C Line, linking inland Norwalk with the coastal city of Redondo Beach.
  • A. Glendale Beeline
    Glendale Beeline is a local public bus transit system serving the city of Glendale, California and its surrounding areas.
  • B. Merritt Parkway
    Merritt Parkway is a historic, scenic limited-access highway in southwestern Connecticut known for its distinctive Art Deco and Moderne-style bridges and tree-lined route.
  • C. The Main Line
    "The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
  • D. Alameda Corridor
    The Alameda Corridor is a 20-mile freight rail expressway in Los Angeles County that consolidates and streamlines cargo movement between the region’s ports and the national rail network.
  • E. Orange County Line
    Orange County Line is a Metrolink commuter rail service in Southern California that connects Los Angeles with cities in Orange County and northern San Diego County.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: connectsCorridor
Context triple: [Metro C Line, connectsCorridor, Norwalk–Redondo Beach corridor]
  • A. hasCorridor chosen
    Indicates that one entity includes, is connected by, or provides access through a corridor to another entity.
  • B. corridorType
    Indicates the specific kind or classification of a corridor associated with an entity or location.
  • C. connectsArea
    Indicates that one area serves as a link or passage between two other areas, enabling movement or interaction between them.
  • D. numberOfCorridors
    Indicates the total count of corridors associated with or contained within a given entity or structure.
  • E. lengthOfCorridors
    Indicates the measured extent or distance of corridors within a given space or structure.
  • F. None of above.

Provenance (6 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_69a8864711648190b07bed24ed76258e completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb260da088190ac53bfc9437e112b completed March 7, 2026, 5:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69adf3e881748190b00f125185e91271 completed March 8, 2026, 10:10 p.m.
NEDg Description generation batch_69adf494f0288190bf77285d18fcd3d9 completed March 8, 2026, 10:13 p.m.
NED2 Entity disambiguation (via description) batch_69adf51f49488190b9b0465b4da685c1 completed March 8, 2026, 10:15 p.m.
PD Predicate disambiguation batch_69abafeec6f881909d47acb966683279 completed March 7, 2026, 4:56 a.m.
Created at: March 4, 2026, 7:35 p.m.