Triple
T9223490
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sumida River |
E221620
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Tsukuda Bridge
Tsukuda Bridge is a road and pedestrian bridge in Tokyo that spans the Sumida River, connecting the Tsukuda area with central parts of the city.
|
E792366
|
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: Tsukuda Bridge | Statement: [Sumida River, hasBridge, Tsukuda Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tsukuda Bridge Context triple: [Sumida River, hasBridge, Tsukuda Bridge]
-
A.
Ikuchi Bridge
Ikuchi Bridge is a cable-stayed bridge in Japan that forms part of the scenic Shimanami Kaido route connecting the islands of the Seto Inland Sea.
-
B.
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.
-
C.
Hakucho Bridge
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
-
D.
Azuma Bridge
Azuma Bridge is a historic and iconic bridge in Tokyo that spans the Sumida River, connecting the Asakusa area with the modern district around Tokyo Skytree.
-
E.
Sakurabashi Bridge
Sakurabashi Bridge is a distinctive pedestrian bridge in Tokyo known for its unique X-shaped design spanning the Sumida River and connecting popular riverside parks.
- 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: Tsukuda Bridge Triple: [Sumida River, hasBridge, Tsukuda Bridge]
Generated description
Tsukuda Bridge is a road and pedestrian bridge in Tokyo that spans the Sumida River, connecting the Tsukuda area with central parts of the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tsukuda Bridge Target entity description: Tsukuda Bridge is a road and pedestrian bridge in Tokyo that spans the Sumida River, connecting the Tsukuda area with central parts of the city.
-
A.
Ikuchi Bridge
Ikuchi Bridge is a cable-stayed bridge in Japan that forms part of the scenic Shimanami Kaido route connecting the islands of the Seto Inland Sea.
-
B.
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.
-
C.
Hakucho Bridge
Hakucho Bridge is a prominent suspension bridge in Muroran, Hokkaido, known for its impressive span and night illumination across Muroran Bay.
-
D.
Azuma Bridge
Azuma Bridge is a historic and iconic bridge in Tokyo that spans the Sumida River, connecting the Asakusa area with the modern district around Tokyo Skytree.
-
E.
Sakurabashi Bridge
Sakurabashi Bridge is a distinctive pedestrian bridge in Tokyo known for its unique X-shaped design spanning the Sumida River and connecting popular riverside parks.
- 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_69ca83ec8db08190a9110df8232885d2 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69ccda7903208190b4e29a1591aab78a |
completed | April 1, 2026, 8:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d0e33fa3d48190bc5f4ba72b422b85 |
completed | April 4, 2026, 10:09 a.m. |
| NEDg | Description generation | batch_69d0e502b68081909a9f9476421ba9b5 |
completed | April 4, 2026, 10:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d0e5af7360819096c6295de0ce5f32 |
completed | April 4, 2026, 10:19 a.m. |
Created at: March 30, 2026, 7:28 p.m.