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.