Triple
T11161502
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokyo Metro Marunouchi Line |
E264046
|
entity |
| Predicate | branchOpeningDate |
P30383
|
FINISHED |
| Object | 1961-02-08 |
—
|
LITERAL 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: 1961-02-08 | Statement: [Tokyo Metro Marunouchi Line, branchOpeningDate, 1961-02-08]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: branchOpeningDate Context triple: [Tokyo Metro Marunouchi Line, branchOpeningDate, 1961-02-08]
-
A.
officialOpeningDate
Indicates the calendar date on which something is formally inaugurated or officially opened for use or operation.
-
B.
openedAt
chosen
Indicates that an entity began operating, became accessible, or was first made available at a specific time or date.
-
C.
expansionOpeningDate
Indicates the date on which an expansion of something (such as a facility, service, or project) was officially opened or became operational.
-
D.
officialOpeningYear
Indicates the calendar year in which something was formally opened or inaugurated for official use.
-
E.
retailTrancheOpeningDate
Indicates the date on which a retail tranche (the portion of an offering allocated to retail investors) is first opened or made available.
- F. None of above.
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_69d6aa9ccddc8190868998c8b7beb060 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8817a90819087820d5241c58851 |
completed | April 9, 2026, 5:57 p.m. |
| PD | Predicate disambiguation | batch_69d75cec26fc8190a5497d186306f935 |
completed | April 9, 2026, 8:01 a.m. |
Created at: April 8, 2026, 9:29 p.m.