Triple
T4214764
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tsukuba |
E94187
|
entity |
| Predicate | railwayStation |
P918
|
FINISHED |
| Object |
Tsukuba Station
Tsukuba Station is the main terminal of the Tsukuba Express line in Tsukuba, Ibaraki Prefecture, serving as a key transit hub for access to the city’s science and research district.
|
E729085
|
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: Tsukuba Station | Statement: [Tsukuba, railwayStation, Tsukuba Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tsukuba Station Context triple: [Tsukuba, railwayStation, Tsukuba Station]
-
A.
Ibaraki Station
Ibaraki Station is a railway station in Ibaraki, Osaka Prefecture, Japan, serving as a local transit hub on major regional rail lines.
-
B.
Takasaki Station
Takasaki Station is a major railway hub in Takasaki, Gunma Prefecture, Japan, serving multiple JR East lines and Shinkansen services as a key regional transport center.
-
C.
Suita Station
Suita Station is a railway station in Suita, Osaka Prefecture, Japan, serving passengers on the JR Kyoto Line (Tōkaidō Main Line).
-
D.
Nara Station
Nara Station is a major railway hub in Nara, Japan, serving as a key gateway for travelers visiting the historic city and its famous cultural landmarks.
-
E.
Minoh Station
Minoh Station is a railway station in Minoh, Osaka Prefecture, Japan, serving as a local transit hub for passengers visiting the surrounding suburban and natural attractions.
- 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: Tsukuba Station Triple: [Tsukuba, railwayStation, Tsukuba Station]
Generated description
Tsukuba Station is the main terminal of the Tsukuba Express line in Tsukuba, Ibaraki Prefecture, serving as a key transit hub for access to the city’s science and research district.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tsukuba Station Target entity description: Tsukuba Station is the main terminal of the Tsukuba Express line in Tsukuba, Ibaraki Prefecture, serving as a key transit hub for access to the city’s science and research district.
-
A.
Ibaraki Station
Ibaraki Station is a railway station in Ibaraki, Osaka Prefecture, Japan, serving as a local transit hub on major regional rail lines.
-
B.
Takasaki Station
Takasaki Station is a major railway hub in Takasaki, Gunma Prefecture, Japan, serving multiple JR East lines and Shinkansen services as a key regional transport center.
-
C.
Suita Station
Suita Station is a railway station in Suita, Osaka Prefecture, Japan, serving passengers on the JR Kyoto Line (Tōkaidō Main Line).
-
D.
Nara Station
Nara Station is a major railway hub in Nara, Japan, serving as a key gateway for travelers visiting the historic city and its famous cultural landmarks.
-
E.
Minoh Station
Minoh Station is a railway station in Minoh, Osaka Prefecture, Japan, serving as a local transit hub for passengers visiting the surrounding suburban and natural attractions.
- 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_69b3451997e08190851db4a9a588837d |
completed | March 12, 2026, 10:58 p.m. |
| NER | Named-entity recognition | batch_69b34be8ba408190baee362e5abbe75b |
completed | March 12, 2026, 11:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cde6789ec081909b051b8ce1bde35d |
completed | April 2, 2026, 3:46 a.m. |
| NEDg | Description generation | batch_69cdeb1fa7308190810b1fcc2184374a |
completed | April 2, 2026, 4:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cdec3081d88190ad0699f9072d3fc7 |
completed | April 2, 2026, 4:10 a.m. |
Created at: March 12, 2026, 11:04 p.m.