Triple
T21338919
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kashiwanoha-campus Station |
E526126
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Tsukuba Express Akihabara–Tsukuba route |
—
|
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: Tsukuba Express Akihabara–Tsukuba route | Statement: [Kashiwanoha-campus Station, locatedOn, Tsukuba Express Akihabara–Tsukuba route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tsukuba Express Akihabara–Tsukuba route Context triple: [Kashiwanoha-campus Station, locatedOn, Tsukuba Express Akihabara–Tsukuba route]
-
A.
Musashino Line
The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
-
B.
Seibu Chichibu Line
The Seibu Chichibu Line is a railway line in Japan that connects suburban Saitama Prefecture with the Chichibu region, serving as an important commuter and tourist route.
-
C.
Ueno-Tokyo Line
The Ueno-Tokyo Line is a railway corridor in central Tokyo that connects Ueno Station with Tokyo Station, enabling through-services between multiple JR East commuter and intercity lines.
-
D.
Nikkō Line
The Nikkō Line is a railway line in Tochigi Prefecture, Japan, operated by JR East that connects Utsunomiya with the historic city of Nikkō, serving as a key route for both local commuters and tourists.
-
E.
Tobu Tojo Line
The Tobu Tojo Line is a major private railway line in the Greater Tokyo area operated by Tobu Railway, connecting Ikebukuro in central Tokyo with suburban Saitama Prefecture.
- 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: Tsukuba Express Akihabara–Tsukuba route Target entity description: The Tsukuba Express Akihabara–Tsukuba route is a high-speed commuter rail line in Japan connecting central Tokyo’s Akihabara district with the science city of Tsukuba in Ibaraki Prefecture.
-
A.
Musashino Line
The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
-
B.
Seibu Chichibu Line
The Seibu Chichibu Line is a railway line in Japan that connects suburban Saitama Prefecture with the Chichibu region, serving as an important commuter and tourist route.
-
C.
Ueno-Tokyo Line
The Ueno-Tokyo Line is a railway corridor in central Tokyo that connects Ueno Station with Tokyo Station, enabling through-services between multiple JR East commuter and intercity lines.
-
D.
Nikkō Line
The Nikkō Line is a railway line in Tochigi Prefecture, Japan, operated by JR East that connects Utsunomiya with the historic city of Nikkō, serving as a key route for both local commuters and tourists.
-
E.
Tobu Tojo Line
The Tobu Tojo Line is a major private railway line in the Greater Tokyo area operated by Tobu Railway, connecting Ikebukuro in central Tokyo with suburban Saitama Prefecture.
- 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_69e0b51c33048190ab27cede74ef798c |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e898dbea44819096dd25701ee462f9 |
completed | April 22, 2026, 9:46 a.m. |
Created at: April 16, 2026, 4:44 p.m.