Triple
T14972433
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tama River |
E373354
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Tamagawa Railway Bridge
Tamagawa Railway Bridge is a railway bridge in Japan that carries train lines across the Tama River, connecting areas of Tokyo and its surroundings.
|
E1143841
|
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: Tamagawa Railway Bridge | Statement: [Tama River, hasBridge, Tamagawa Railway Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tamagawa Railway Bridge Context triple: [Tama River, hasBridge, Tamagawa Railway Bridge]
-
A.
Marukobashi Bridge
Marukobashi Bridge is a bridge spanning the Tama River in Japan, serving as a local transportation link and river crossing.
-
B.
Taigetsukyo Bridge
Taigetsukyo Bridge is a picturesque red pedestrian bridge in Japan renowned as a prime spot for viewing the seasonal scenery of Korankei Gorge, especially its autumn foliage.
-
C.
Tamagawa Bridge
Tamagawa Bridge is a notable bridge spanning the Tama River in Japan, serving as an important transportation link between parts of Tokyo and its neighboring areas.
-
D.
Ebisu Bridge
Ebisu Bridge is a famous pedestrian bridge in Osaka’s Namba district, known for its neon-lit surroundings and as a popular photo spot overlooking the Dotonbori Canal.
-
E.
Hakucho Bridge
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
- 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: Tamagawa Railway Bridge Triple: [Tama River, hasBridge, Tamagawa Railway Bridge]
Generated description
Tamagawa Railway Bridge is a railway bridge in Japan that carries train lines across the Tama River, connecting areas of Tokyo and its surroundings.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tamagawa Railway Bridge Target entity description: Tamagawa Railway Bridge is a railway bridge in Japan that carries train lines across the Tama River, connecting areas of Tokyo and its surroundings.
-
A.
Marukobashi Bridge
Marukobashi Bridge is a bridge spanning the Tama River in Japan, serving as a local transportation link and river crossing.
-
B.
Taigetsukyo Bridge
Taigetsukyo Bridge is a picturesque red pedestrian bridge in Japan renowned as a prime spot for viewing the seasonal scenery of Korankei Gorge, especially its autumn foliage.
-
C.
Tamagawa Bridge
Tamagawa Bridge is a notable bridge spanning the Tama River in Japan, serving as an important transportation link between parts of Tokyo and its neighboring areas.
-
D.
Ebisu Bridge
Ebisu Bridge is a famous pedestrian bridge in Osaka’s Namba district, known for its neon-lit surroundings and as a popular photo spot overlooking the Dotonbori Canal.
-
E.
Hakucho Bridge
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
- 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_69d85ccbbcd48190acb56e7cf104d8ad |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded6e767608190940eb6f16ea97451 |
completed | April 15, 2026, 12:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fed31c0ab08190814c41d852f9f523 |
completed | May 9, 2026, 6:24 a.m. |
| NEDg | Description generation | batch_69fed4d497a481909cee1da86e6a6ab5 |
completed | May 9, 2026, 6:31 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fed73158048190b0ae618512b24eb9 |
completed | May 9, 2026, 6:41 a.m. |
Created at: April 10, 2026, 2:50 a.m.