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.