Triple

T4538744
Position Surface form Disambiguated ID Type / Status
Subject Remagen E107474 entity
Predicate knownFor P22 FINISHED
Object Ludendorff Bridge
The Ludendorff Bridge was a strategically vital World War II railway bridge over the Rhine River at Remagen, Germany, whose unexpected capture by Allied forces in 1945 significantly hastened the end of the war in Europe.
E450987 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: Ludendorff Bridge | Statement: [Remagen, knownFor, Ludendorff Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ludendorff Bridge
Context triple: [Remagen, knownFor, Ludendorff Bridge]
  • A. Grenadersky Bridge
    Grenadersky Bridge is a road bridge in Saint Petersburg, Russia, spanning the Bolshaya Nevka River and connecting key parts of the city’s Petrogradsky District.
  • B. Lippe Bridge
    Lippe Bridge is a notable bridge in the German town of Lünen that spans the River Lippe and serves as a key local crossing and landmark.
  • C. Bastei Bridge
    Bastei Bridge is a famous stone bridge and scenic lookout spanning dramatic sandstone rock formations above the Elbe River in Saxon Switzerland, Germany.
  • D. Kaiser Wilhelm Bridge
    The Kaiser Wilhelm Bridge is a historic swing bridge and prominent landmark in Wilhelmshaven, Germany, known for its distinctive steel architecture and role as a key crossing over the harbor.
  • E. Moltkebrücke
    Moltkebrücke is a historic stone arch bridge in central Berlin, Germany, known for its ornate sculptures and its location near the Reichstag over the River Spree.
  • 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: Ludendorff Bridge
Triple: [Remagen, knownFor, Ludendorff Bridge]
Generated description
The Ludendorff Bridge was a strategically vital World War II railway bridge over the Rhine River at Remagen, Germany, whose unexpected capture by Allied forces in 1945 significantly hastened the end of the war in Europe.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ludendorff Bridge
Target entity description: The Ludendorff Bridge was a strategically vital World War II railway bridge over the Rhine River at Remagen, Germany, whose unexpected capture by Allied forces in 1945 significantly hastened the end of the war in Europe.
  • A. Grenadersky Bridge
    Grenadersky Bridge is a road bridge in Saint Petersburg, Russia, spanning the Bolshaya Nevka River and connecting key parts of the city’s Petrogradsky District.
  • B. Lippe Bridge
    Lippe Bridge is a notable bridge in the German town of Lünen that spans the River Lippe and serves as a key local crossing and landmark.
  • C. Bastei Bridge
    Bastei Bridge is a famous stone bridge and scenic lookout spanning dramatic sandstone rock formations above the Elbe River in Saxon Switzerland, Germany.
  • D. Kaiser Wilhelm Bridge
    The Kaiser Wilhelm Bridge is a historic swing bridge and prominent landmark in Wilhelmshaven, Germany, known for its distinctive steel architecture and role as a key crossing over the harbor.
  • E. Moltkebrücke
    Moltkebrücke is a historic stone arch bridge in central Berlin, Germany, known for its ornate sculptures and its location near the Reichstag over the River Spree.
  • 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_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.