Triple
T9971237
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 7th Street/Metro Center station |
E196207
|
entity |
| Predicate | servesLine |
P839
|
FINISHED |
| Object | B Line (Los Angeles Metro) |
E372503
|
NE FINISHED |
How this triple was built (2 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: B Line (Los Angeles Metro) | Statement: [7th Street/Metro Center station, servesLine, B Line (Los Angeles Metro)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: B Line (Los Angeles Metro) Context triple: [7th Street/Metro Center station, servesLine, B Line (Los Angeles Metro)]
-
A.
B Line (Los Angeles Metro)
chosen
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.
-
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.
E Line (Los Angeles Metro)
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.
-
D.
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.
-
E.
K Line (Los Angeles Metro)
The K Line is a light rail route in the Los Angeles Metro Rail system serving neighborhoods in South Los Angeles and connecting to major transit hubs.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca82eea2b88190a0e511d21a31f386 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdb7b96b1c8190b9d3c1171346615a |
completed | April 2, 2026, 12:26 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d257c9f6cc81908256dc1e8d6c3fea |
completed | April 5, 2026, 12:38 p.m. |
Created at: March 30, 2026, 8:48 p.m.