Triple
T17399169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokachi-Obihiro Airport |
E423039
|
entity |
| Predicate | IATA code |
P2569
|
FINISHED |
| Object | OBO |
—
|
NE NERFINISHED |
How this triple was built (3 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: OBO | Statement: [Tokachi-Obihiro Airport, IATA code, OBO]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: OBO Context triple: [Tokachi-Obihiro Airport, IATA code, OBO]
-
A.
OBN
OBN is the three-letter IATA airport code assigned to Oban Airport in Scotland.
-
B.
OBN
OBN is the National Rail station code for Oban railway station in Argyll and Bute, Scotland.
-
C.
GBO
GBO is the common abbreviation used for the Greensboro Grasshoppers minor league baseball team.
-
D.
OBBI
OBBI is the ICAO airport code for Bahrain International Airport, the main international gateway to the Kingdom of Bahrain.
-
E.
OBA
OBA is the main public library organization of Amsterdam, known for its large central library and network of branches offering books, media, and cultural programs to residents and visitors.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: OBO Target entity description: OBO is the three-letter IATA airport code assigned to Tokachi-Obihiro Airport in Hokkaido, Japan.
-
A.
OBN
OBN is the three-letter IATA airport code assigned to Oban Airport in Scotland.
-
B.
OBN
OBN is the National Rail station code for Oban railway station in Argyll and Bute, Scotland.
-
C.
GBO
GBO is the common abbreviation used for the Greensboro Grasshoppers minor league baseball team.
-
D.
OBBI
OBBI is the ICAO airport code for Bahrain International Airport, the main international gateway to the Kingdom of Bahrain.
-
E.
OBA
OBA is the main public library organization of Amsterdam, known for its large central library and network of branches offering books, media, and cultural programs to residents and visitors.
- F. None of above. chosen
Provenance (2 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_69d889d710288190bf0f4762801fefae |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43abf7ea08190a9d9f9358e3bb684 |
completed | April 19, 2026, 2:15 a.m. |
Created at: April 10, 2026, 5:45 a.m.