Triple
T14867959
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lettensteg |
E349665
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object |
Letten railway viaduct
The Letten railway viaduct is a former railway bridge in Zurich, Switzerland, known for its distinctive arched structure and later conversion into a pedestrian and cycling route.
|
E1124384
|
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: Letten railway viaduct | Statement: [Lettensteg, namedAfter, Letten railway viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Letten railway viaduct Context triple: [Lettensteg, namedAfter, Letten railway viaduct]
-
A.
Lechmere Viaduct
Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
-
B.
Bellegarde railway viaduct
The Bellegarde railway viaduct is a prominent multi-arch rail bridge in Bellegarde-sur-Valserine, France, carrying train lines across the local river valley and serving as a key piece of regional transport infrastructure.
-
C.
Shankend Viaduct
Shankend Viaduct is a historic multi-arched railway viaduct in the Scottish Borders, formerly carrying trains on the Waverley Route between Edinburgh and Carlisle.
-
D.
Askam railway viaduct
Askam railway viaduct is a historic rail bridge in Askam-in-Furness, Cumbria, carrying the Cumbrian Coast Line across the Duddon Estuary.
-
E.
Chirk Viaduct
Chirk Viaduct is a historic multi-arched railway viaduct in Wales that carries trains across the River Ceiriog near the England–Wales border.
- 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: Letten railway viaduct Triple: [Lettensteg, namedAfter, Letten railway viaduct]
Generated description
The Letten railway viaduct is a former railway bridge in Zurich, Switzerland, known for its distinctive arched structure and later conversion into a pedestrian and cycling route.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Letten railway viaduct Target entity description: The Letten railway viaduct is a former railway bridge in Zurich, Switzerland, known for its distinctive arched structure and later conversion into a pedestrian and cycling route.
-
A.
Lechmere Viaduct
Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
-
B.
Bellegarde railway viaduct
The Bellegarde railway viaduct is a prominent multi-arch rail bridge in Bellegarde-sur-Valserine, France, carrying train lines across the local river valley and serving as a key piece of regional transport infrastructure.
-
C.
Shankend Viaduct
Shankend Viaduct is a historic multi-arched railway viaduct in the Scottish Borders, formerly carrying trains on the Waverley Route between Edinburgh and Carlisle.
-
D.
Askam railway viaduct
Askam railway viaduct is a historic rail bridge in Askam-in-Furness, Cumbria, carrying the Cumbrian Coast Line across the Duddon Estuary.
-
E.
Chirk Viaduct
Chirk Viaduct is a historic multi-arched railway viaduct in Wales that carries trains across the River Ceiriog near the England–Wales border.
- 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_69d822ee4f408190b6ac3b2fa434f0df |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69ded5776b848190bfe3a06ff261dc31 |
completed | April 15, 2026, 12:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe651067cc8190b9c218ef1f802762 |
completed | May 8, 2026, 10:34 p.m. |
| NEDg | Description generation | batch_69fe675dd7288190901df5f7806f9b3f |
completed | May 8, 2026, 10:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe67f2fab881908b8be1aa344ee5b5 |
completed | May 8, 2026, 10:47 p.m. |
Created at: April 10, 2026, 1:55 a.m.