Triple
T12319206
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Manila Metro Rail Transit System |
E293683
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Metro Rail Transit Corporation |
E288465
|
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: Metro Rail Transit Corporation | Statement: [Manila Metro Rail Transit System, operator, Metro Rail Transit Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro Rail Transit Corporation Context triple: [Manila Metro Rail Transit System, operator, Metro Rail Transit Corporation]
-
A.
Metro Rail Transit Corporation
chosen
Metro Rail Transit Corporation is a private consortium in the Philippines that financed, built, and initially operated Manila’s MRT Line 3 under a public–private partnership.
-
B.
Metropolitan Transit Corporation
The Metropolitan Transit Corporation was the former public transit agency that operated bus services in King County, Washington, before being succeeded by King County Metro.
-
C.
Light Rail Transit Authority
The Light Rail Transit Authority is a Philippine government agency responsible for developing, operating, and maintaining key urban light rail transit lines in Metro Manila.
-
D.
Lane Transit District
Lane Transit District is the public transportation agency serving Eugene, Springfield, and surrounding communities in Lane County, Oregon, operating bus and bus rapid transit services.
-
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_69d6ab6ae0dc8190b1522a9c1c55c114 |
completed | April 8, 2026, 7:24 p.m. |
| NER | Named-entity recognition | batch_69d93f4ab1b88190979a8403a430a17c |
completed | April 10, 2026, 6:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f671837a5c81908a7f41ac7e2bef59 |
completed | May 2, 2026, 9:49 p.m. |
Created at: April 8, 2026, 9:53 p.m.