Triple
T12664287
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sendai Airport |
E302506
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Sendai International Airport Co., Ltd.
Sendai International Airport Co., Ltd. is the company responsible for managing and operating Sendai’s main international airport in Miyagi Prefecture, Japan.
|
E996475
|
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: Sendai International Airport Co., Ltd. | Statement: [Sendai Airport, operator, Sendai International Airport Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sendai International Airport Co., Ltd. Context triple: [Sendai Airport, operator, Sendai International Airport Co., Ltd.]
-
A.
Hokkaido Airports Co., Ltd.
Hokkaido Airports Co., Ltd. is a Japanese company responsible for managing and operating multiple airports across Hokkaido, including major international hubs.
-
B.
Narita International Airport Corporation
Narita International Airport Corporation is the company responsible for managing and operating Narita International Airport, one of Japan’s major international air gateways.
-
C.
Central Japan International Airport Company
Central Japan International Airport Company is the firm responsible for managing and operating Chubu Centrair International Airport, a major air transport hub serving the Nagoya metropolitan area in Japan.
-
D.
Kansai Airports
Kansai Airports is the private consortium responsible for managing and operating major airports in Japan’s Kansai region, including Kansai International Airport.
-
E.
Japan Airport Terminal Co., Ltd.
Japan Airport Terminal Co., Ltd. is a Japanese company that develops, manages, and operates passenger terminal buildings and related commercial facilities at major airports in Japan.
- 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: Sendai International Airport Co., Ltd. Triple: [Sendai Airport, operator, Sendai International Airport Co., Ltd.]
Generated description
Sendai International Airport Co., Ltd. is the company responsible for managing and operating Sendai’s main international airport in Miyagi Prefecture, Japan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sendai International Airport Co., Ltd. Target entity description: Sendai International Airport Co., Ltd. is the company responsible for managing and operating Sendai’s main international airport in Miyagi Prefecture, Japan.
-
A.
Hokkaido Airports Co., Ltd.
Hokkaido Airports Co., Ltd. is a Japanese company responsible for managing and operating multiple airports across Hokkaido, including major international hubs.
-
B.
Narita International Airport Corporation
Narita International Airport Corporation is the company responsible for managing and operating Narita International Airport, one of Japan’s major international air gateways.
-
C.
Central Japan International Airport Company
Central Japan International Airport Company is the firm responsible for managing and operating Chubu Centrair International Airport, a major air transport hub serving the Nagoya metropolitan area in Japan.
-
D.
Kansai Airports
Kansai Airports is the private consortium responsible for managing and operating major airports in Japan’s Kansai region, including Kansai International Airport.
-
E.
Japan Airport Terminal Co., Ltd.
Japan Airport Terminal Co., Ltd. is a Japanese company that develops, manages, and operates passenger terminal buildings and related commercial facilities at major airports in Japan.
- 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_69d7bded71a88190bb76e2413af9ea66 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d9617e030881908444743b8a7e0d75 |
completed | April 10, 2026, 8:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6688a19148190b8d252d3706d2b05 |
completed | May 2, 2026, 9:11 p.m. |
| NEDg | Description generation | batch_69f669f69fe4819097dfc63780e8587e |
completed | May 2, 2026, 9:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f66b619c88819098acbfb60fac9921 |
completed | May 2, 2026, 9:23 p.m. |
Created at: April 9, 2026, 5:19 p.m.