Triple
T8487420
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 7th Street/Metro Center to Culver City |
E200863
|
entity |
| Predicate | isInitialSegmentOf |
P13843
|
FINISHED |
| Object | E Line (Downtown Los Angeles to Santa Monica) |
E337509
|
NE FINISHED |
How this triple was built (3 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: E Line (Downtown Los Angeles to Santa Monica) | Statement: [7th Street/Metro Center to Culver City, isInitialSegmentOf, E Line (Downtown Los Angeles to Santa Monica)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: E Line (Downtown Los Angeles to Santa Monica) Context triple: [7th Street/Metro Center to Culver City, isInitialSegmentOf, E Line (Downtown Los Angeles to Santa Monica)]
-
A.
E Line (Los Angeles Metro)
chosen
The E Line (Los Angeles Metro) is a light rail line in Los Angeles County that runs east–west, linking downtown Los Angeles with Santa Monica and several major Westside and Expo Corridor destinations.
-
B.
G Line (Los Angeles Metro)
The G Line (Los Angeles Metro) is a bus rapid transit route in Los Angeles’ San Fernando Valley that runs primarily along dedicated busways, providing high-frequency east–west service.
-
C.
L Line (Los Angeles Metro)
The L Line was a light rail route in the Los Angeles Metro Rail system that connected East Los Angeles and the San Gabriel Valley to downtown and northeast Los Angeles before being restructured into other lines.
-
D.
B Line (Los Angeles Metro)
The B Line is a heavy-rail rapid transit line in the Los Angeles Metro system that runs primarily underground, connecting North Hollywood to downtown Los Angeles.
-
E.
Crenshaw/LAX Line
The Crenshaw/LAX Line, now known as the Metro K Line, is a Los Angeles Metro Rail light rail route serving the Crenshaw Corridor and providing key transit access to the area around Los Angeles International Airport.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isInitialSegmentOf Context triple: [7th Street/Metro Center to Culver City, isInitialSegmentOf, E Line (Downtown Los Angeles to Santa Monica)]
-
A.
isSubsegmentOf
Indicates that one segment is entirely contained within and forms a continuous part of another, larger segment.
-
B.
formsInitialSegmentOf
chosen
Indicates that one entity constitutes the starting portion or beginning segment of another, larger entity or sequence.
-
C.
isSubsequenceOf
Indicates that one sequence can be derived from another by deleting zero or more elements without changing the order of the remaining elements.
-
D.
hasSegmentOn
Indicates that one entity includes or occupies a specific segment or portion on another entity (such as a line, path, or sequence).
-
E.
isTrimOf
Indicates that one entity is a version of another with leading and/or trailing whitespace characters removed.
- F. None of above.
Provenance (4 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_69ca831d7b148190a6e32c1de43ab13b |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe556b5188190b1124effd7445803 |
completed | March 31, 2026, 3:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce3a4e5be48190b5c598123ef75f8b |
completed | April 2, 2026, 9:43 a.m. |
| PD | Predicate disambiguation | batch_69cbd107633c8190a36ba50e07876918 |
completed | March 31, 2026, 1:49 p.m. |
Created at: March 30, 2026, 6:13 p.m.