Triple
T9916889
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tobu Railway |
E185891
|
entity |
| Predicate | operatesService |
P5884
|
FINISHED |
| Object |
Spacia limited express
Spacia limited express is a premium limited express train service in Japan known for its comfortable, upscale cars and fast connections between Tokyo and popular destinations such as Nikko and Kinugawa.
|
E829982
|
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: Spacia limited express | Statement: [Tobu Railway, operatesService, Spacia limited express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Spacia limited express Context triple: [Tobu Railway, operatesService, Spacia limited express]
-
A.
rapit limited express
The Rapit Limited Express is a high-speed airport rail service in Japan connecting central Osaka with Kansai International Airport using distinctive blue streamlined trains.
-
B.
Keisei Access Express
Keisei Access Express is a limited express train service in the Greater Tokyo area that provides fast, direct rail connections between central Tokyo and Narita Airport.
-
C.
Nankai Limited Express Rapi:t
Nankai Limited Express Rapi:t is a distinctive, high-speed airport train service in Japan known for its futuristic design and direct connection between central Osaka and Kansai International Airport.
-
D.
Keisei Skyliner
Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
-
E.
Narita Express
Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
- 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: Spacia limited express Triple: [Tobu Railway, operatesService, Spacia limited express]
Generated description
Spacia limited express is a premium limited express train service in Japan known for its comfortable, upscale cars and fast connections between Tokyo and popular destinations such as Nikko and Kinugawa.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Spacia limited express Target entity description: Spacia limited express is a premium limited express train service in Japan known for its comfortable, upscale cars and fast connections between Tokyo and popular destinations such as Nikko and Kinugawa.
-
A.
rapit limited express
The Rapit Limited Express is a high-speed airport rail service in Japan connecting central Osaka with Kansai International Airport using distinctive blue streamlined trains.
-
B.
Keisei Access Express
Keisei Access Express is a limited express train service in the Greater Tokyo area that provides fast, direct rail connections between central Tokyo and Narita Airport.
-
C.
Nankai Limited Express Rapi:t
Nankai Limited Express Rapi:t is a distinctive, high-speed airport train service in Japan known for its futuristic design and direct connection between central Osaka and Kansai International Airport.
-
D.
Keisei Skyliner
Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
-
E.
Narita Express
Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
- 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_69ca829b45f481909040f7b99a1976ed |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cdb540195881908f25f7dde5c66a75 |
completed | April 2, 2026, 12:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d20de277e881908e6d09c8cfee92ba |
completed | April 5, 2026, 7:23 a.m. |
| NEDg | Description generation | batch_69d211ad04b481909c631ae838aa539d |
completed | April 5, 2026, 7:39 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d21353f62881908afb9546ba7b94b6 |
completed | April 5, 2026, 7:46 a.m. |
Created at: March 30, 2026, 8:42 p.m.