Triple
T508773
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Philadelphia, Wilmington and Baltimore Railroad |
E10558
|
entity |
| Predicate | notableStructure |
P1544
|
FINISHED |
| Object |
Gunpowder River Bridge
The Gunpowder River Bridge is a historic railroad bridge in Maryland that carried the Philadelphia, Wilmington and Baltimore Railroad across the Gunpowder River, playing a key role in early rail travel along the Northeast Corridor.
|
E63392
|
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: Gunpowder River Bridge | Statement: [Philadelphia, Wilmington and Baltimore Railroad, notableStructure, Gunpowder River Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gunpowder River Bridge Context triple: [Philadelphia, Wilmington and Baltimore Railroad, notableStructure, Gunpowder River Bridge]
-
A.
Battle of Dungan's Hill
The Battle of Dungan's Hill was a major 1647 engagement in County Meath during the Irish Confederate Wars, where English Parliamentarian forces decisively defeated an Irish Confederate army, leading to heavy Confederate losses and weakening their position in Leinster.
-
B.
Battle of the Border
The Battle of the Border was the opening series of engagements between German and Polish forces at the start of the 1939 invasion of Poland, marking the beginning of World War II in Europe.
-
C.
Battle of Heartbreak Ridge
The Battle of Heartbreak Ridge was a protracted and costly 1951 U.S.-led United Nations offensive against entrenched North Korean and Chinese forces in the mountainous terrain of North Korea.
-
D.
Battle of Resaca de la Palma
The Battle of Resaca de la Palma was a key 1846 engagement in the Mexican–American War in which U.S. forces under General Zachary Taylor defeated Mexican troops near the Rio Grande, helping secure American control of northern Mexico.
-
E.
Bloody Ridge
Bloody Ridge is a historically significant World War II battlefield on Guadalcanal in the Solomon Islands, known for a pivotal 1942 clash between U.S. and Japanese forces.
- 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: Gunpowder River Bridge Triple: [Philadelphia, Wilmington and Baltimore Railroad, notableStructure, Gunpowder River Bridge]
Generated description
The Gunpowder River Bridge is a historic railroad bridge in Maryland that carried the Philadelphia, Wilmington and Baltimore Railroad across the Gunpowder River, playing a key role in early rail travel along the Northeast Corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gunpowder River Bridge Target entity description: The Gunpowder River Bridge is a historic railroad bridge in Maryland that carried the Philadelphia, Wilmington and Baltimore Railroad across the Gunpowder River, playing a key role in early rail travel along the Northeast Corridor.
-
A.
Battle of Dungan's Hill
The Battle of Dungan's Hill was a major 1647 engagement in County Meath during the Irish Confederate Wars, where English Parliamentarian forces decisively defeated an Irish Confederate army, leading to heavy Confederate losses and weakening their position in Leinster.
-
B.
Battle of the Border
The Battle of the Border was the opening series of engagements between German and Polish forces at the start of the 1939 invasion of Poland, marking the beginning of World War II in Europe.
-
C.
Battle of Heartbreak Ridge
The Battle of Heartbreak Ridge was a protracted and costly 1951 U.S.-led United Nations offensive against entrenched North Korean and Chinese forces in the mountainous terrain of North Korea.
-
D.
Battle of Resaca de la Palma
The Battle of Resaca de la Palma was a key 1846 engagement in the Mexican–American War in which U.S. forces under General Zachary Taylor defeated Mexican troops near the Rio Grande, helping secure American control of northern Mexico.
-
E.
Bloody Ridge
Bloody Ridge is a historically significant World War II battlefield on Guadalcanal in the Solomon Islands, known for a pivotal 1942 clash between U.S. and Japanese forces.
- 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f162f3888190b057ad04e40a30e2 |
completed | Feb. 28, 2026, 1:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a498506418819090190a35e8763982 |
completed | March 1, 2026, 7:49 p.m. |
| NEDg | Description generation | batch_69a499da231c8190abd973d9ac3969ff |
completed | March 1, 2026, 7:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a49b0045b481908f5e863d61b7e17e |
completed | March 1, 2026, 8:01 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.