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.