Triple
T16381970
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro TAP card |
E397827
|
entity |
| Predicate | appliesTo |
P1129
|
FINISHED |
| Object | LA Metro Rail |
E11277
|
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: LA Metro Rail | Statement: [Metro TAP card, appliesTo, LA Metro Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LA Metro Rail Context triple: [Metro TAP card, appliesTo, LA Metro Rail]
-
A.
Los Angeles Metro Rail
chosen
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
B.
LA Metro A Line
The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
-
C.
Expo Line (Los Angeles Metro)
The Expo Line (Los Angeles Metro), now known as the E Line, is a light rail route in Los Angeles that connects Downtown Los Angeles to Santa Monica, serving major Westside neighborhoods and destinations.
-
D.
VTA light rail
VTA light rail is a light rail public transit system serving Santa Clara County, including cities such as San Jose, operated by the Santa Clara Valley Transportation Authority.
-
E.
Rio Metro Regional Transit District
Rio Metro Regional Transit District is a public transportation agency in central New Mexico that oversees regional commuter rail and bus services, including the New Mexico Rail Runner Express.
- 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_69d87f2880b48190ae1a9673a3bbef80 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e319dd0e0c8190812bde6a2f7d9644 |
completed | April 18, 2026, 5:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0035689ef08190ba980a359498ca56 |
completed | May 10, 2026, 7:36 a.m. |
Created at: April 10, 2026, 5:08 a.m.