Triple
T4538772
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Remagen |
E107474
|
entity |
| Predicate | historicalEvent |
P259
|
FINISHED |
| Object |
Capture of the Ludendorff Bridge by U.S. forces in March 1945
The Capture of the Ludendorff Bridge by U.S. forces in March 1945 was a pivotal World War II operation in which American troops seized an intact Rhine River bridge at Remagen, enabling a rapid Allied advance into the heart of Germany.
|
E107474
|
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: Capture of the Ludendorff Bridge by U.S. forces in March 1945 | Statement: [Remagen, historicalEvent, Capture of the Ludendorff Bridge by U.S. forces in March 1945]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Capture of the Ludendorff Bridge by U.S. forces in March 1945 Context triple: [Remagen, historicalEvent, Capture of the Ludendorff Bridge by U.S. forces in March 1945]
-
A.
Crossing of the Roer River
The Crossing of the Roer River was a World War II Allied operation in early 1945 in which U.S. forces forced a passage over Germany’s Roer River as part of the drive into the Rhineland.
-
B.
World War II Waal river crossing
The World War II Waal river crossing was a daring 1944 Allied assault across the Waal River near Nijmegen, Netherlands, that played a crucial role in securing a key bridge during Operation Market Garden.
-
C.
Lyutezh bridgehead crossing
The Lyutezh bridgehead crossing was a key Soviet river assault and foothold on the Dnieper that enabled the liberation of Kyiv during World War II.
-
D.
Remagen, Germany
Remagen, Germany is a town on the Rhine River best known for its strategically important Ludendorff Bridge, which played a key role in World War II.
-
E.
Pegasus Bridge
Pegasus Bridge is a famous World War II bridge in Normandy, France, captured by British airborne forces during the D-Day landings.
- 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: Capture of the Ludendorff Bridge by U.S. forces in March 1945 Triple: [Remagen, historicalEvent, Capture of the Ludendorff Bridge by U.S. forces in March 1945]
Generated description
The Capture of the Ludendorff Bridge by U.S. forces in March 1945 was a pivotal World War II operation in which American troops seized an intact Rhine River bridge at Remagen, enabling a rapid Allied advance into the heart of Germany.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Capture of the Ludendorff Bridge by U.S. forces in March 1945 Target entity description: The Capture of the Ludendorff Bridge by U.S. forces in March 1945 was a pivotal World War II operation in which American troops seized an intact Rhine River bridge at Remagen, enabling a rapid Allied advance into the heart of Germany.
-
A.
Crossing of the Roer River
The Crossing of the Roer River was a World War II Allied operation in early 1945 in which U.S. forces forced a passage over Germany’s Roer River as part of the drive into the Rhineland.
-
B.
World War II Waal river crossing
The World War II Waal river crossing was a daring 1944 Allied assault across the Waal River near Nijmegen, Netherlands, that played a crucial role in securing a key bridge during Operation Market Garden.
-
C.
Lyutezh bridgehead crossing
The Lyutezh bridgehead crossing was a key Soviet river assault and foothold on the Dnieper that enabled the liberation of Kyiv during World War II.
-
D.
Remagen, Germany
chosen
Remagen, Germany is a town on the Rhine River best known for its strategically important Ludendorff Bridge, which played a key role in World War II.
-
E.
Pegasus Bridge
Pegasus Bridge is a famous World War II bridge in Normandy, France, captured by British airborne forces during the D-Day landings.
- F. None of above.
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_69bd43f922788190b7edfa294e39b178 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd57ba327c8190a7f12e14077b1fa7 |
completed | March 20, 2026, 2:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdacfff41481908a5c97ab4fcb9259 |
completed | March 20, 2026, 8:24 p.m. |
| NEDg | Description generation | batch_69bdb32911cc8190a8624d54dad6355e |
completed | March 20, 2026, 8:50 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bdb3a0bf908190b9a029f47e6be941 |
completed | March 20, 2026, 8:52 p.m. |
Created at: March 20, 2026, 1:04 p.m.