Triple

T9014083
Position Surface form Disambiguated ID Type / Status
Subject Norwalk station E215549 entity
Predicate partOfProject P10 FINISHED
Object Los Angeles Metro Green Line project
The Los Angeles Metro Green Line project is a light rail transit line development in Los Angeles County designed to provide east–west rapid transit service through the South Bay and surrounding communities.
E772762 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: Los Angeles Metro Green Line project | Statement: [Norwalk station, partOfProject, Los Angeles Metro Green Line project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Angeles Metro Green Line project
Context triple: [Norwalk station, partOfProject, Los Angeles Metro Green Line project]
  • A. Crenshaw/LAX Transit Project
    The Crenshaw/LAX Transit Project is a Los Angeles Metro rail expansion initiative designed to improve transit access along the Crenshaw Corridor and provide a key light rail connection to the Los Angeles International Airport area.
  • B. Exposition Light Rail Line project
    The Exposition Light Rail Line project is a Los Angeles Metro rail expansion initiative designed to provide fast, high-capacity transit service between downtown Los Angeles and the Westside along the Exposition Boulevard corridor.
  • C. Metro Red Line extension to North Hollywood
    The Metro Red Line extension to North Hollywood is a Los Angeles County Metro Rail project that expanded the subway’s reach into the San Fernando Valley, making North Hollywood a major regional transit hub.
  • D. San Francisco Central Subway project
    The San Francisco Central Subway project is a major Muni Metro light rail extension in San Francisco designed to improve north–south transit connectivity by linking neighborhoods such as SoMa, Union Square, and Chinatown.
  • E. 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.
  • 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: Los Angeles Metro Green Line project
Triple: [Norwalk station, partOfProject, Los Angeles Metro Green Line project]
Generated description
The Los Angeles Metro Green Line project is a light rail transit line development in Los Angeles County designed to provide east–west rapid transit service through the South Bay and surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Los Angeles Metro Green Line project
Target entity description: The Los Angeles Metro Green Line project is a light rail transit line development in Los Angeles County designed to provide east–west rapid transit service through the South Bay and surrounding communities.
  • A. Crenshaw/LAX Transit Project
    The Crenshaw/LAX Transit Project is a Los Angeles Metro rail expansion initiative designed to improve transit access along the Crenshaw Corridor and provide a key light rail connection to the Los Angeles International Airport area.
  • B. Exposition Light Rail Line project
    The Exposition Light Rail Line project is a Los Angeles Metro rail expansion initiative designed to provide fast, high-capacity transit service between downtown Los Angeles and the Westside along the Exposition Boulevard corridor.
  • C. Metro Red Line extension to North Hollywood
    The Metro Red Line extension to North Hollywood is a Los Angeles County Metro Rail project that expanded the subway’s reach into the San Fernando Valley, making North Hollywood a major regional transit hub.
  • D. San Francisco Central Subway project
    The San Francisco Central Subway project is a major Muni Metro light rail extension in San Francisco designed to improve north–south transit connectivity by linking neighborhoods such as SoMa, Union Square, and Chinatown.
  • E. 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.
  • 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_69ca83a2bf088190986ee7a8eb90407d completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc69fae0b88190a0aa989bc37ab2c7 completed April 1, 2026, 12:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfdba4bfd481908a5f33d39b8e7dd5 completed April 3, 2026, 3:24 p.m.
NEDg Description generation batch_69cfdc5b230881908057cc868e44ea44 completed April 3, 2026, 3:27 p.m.
NED2 Entity disambiguation (via description) batch_69cfdcfc28288190b849b3f0216a7e9a completed April 3, 2026, 3:30 p.m.
Created at: March 30, 2026, 7:06 p.m.