Triple
T2677755
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MRT Line 3 |
E56499
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object |
Metro Rail Transit Corporation
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.
|
E288465
|
NE FINISHED |
How this triple was built (4 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: [MRT Line 3, formerOperator, Metro Rail Transit Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro Rail Transit Corporation Context triple: [MRT Line 3, formerOperator, Metro Rail Transit Corporation]
-
A.
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.
-
B.
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.
-
C.
London Transit Commission
The London Transit Commission is the public transportation agency responsible for operating bus services throughout the city of London, Ontario.
-
D.
Regional Transportation District
The Regional Transportation District is the public transit agency serving the Denver metropolitan area, operating buses, light rail, and commuter rail across much of central Colorado.
-
E.
Manchester Transit Authority
Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
- 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: Metro Rail Transit Corporation Triple: [MRT Line 3, formerOperator, Metro Rail Transit Corporation]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metro Rail Transit Corporation Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
London Transit Commission
The London Transit Commission is the public transportation agency responsible for operating bus services throughout the city of London, Ontario.
-
D.
Regional Transportation District
The Regional Transportation District is the public transit agency serving the Denver metropolitan area, operating buses, light rail, and commuter rail across much of central Colorado.
-
E.
Manchester Transit Authority
Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
- F. None of above. chosen
Provenance (5 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_69ab4a4b13fc81909dfdb3f23da46832 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd9b697fc8190a5ec8b75ee2ad238 |
completed | March 7, 2026, 7:54 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afa065a6f48190973a3b6c52aa23bf |
completed | March 10, 2026, 4:39 a.m. |
| NEDg | Description generation | batch_69afa1c4d33c8190b8efa8c1dac0772f |
completed | March 10, 2026, 4:44 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afa24388f48190854fdbac52ee8a03 |
completed | March 10, 2026, 4:46 a.m. |
Created at: March 6, 2026, 9:54 p.m.