Triple
T10547318
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Savage, Maryland |
E248854
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Bollman Truss Railroad Bridge
The Bollman Truss Railroad Bridge is a historic 19th-century iron railroad bridge in Savage, Maryland, notable as one of the earliest surviving examples of a cast- and wrought-iron truss bridge in the United States.
|
E870082
|
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: Bollman Truss Railroad Bridge | Statement: [Savage, Maryland, hasLandmark, Bollman Truss Railroad Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bollman Truss Railroad Bridge Context triple: [Savage, Maryland, hasLandmark, Bollman Truss Railroad Bridge]
-
A.
Panhandle Railroad Bridge
The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
-
B.
High Trestle Trail Bridge
The High Trestle Trail Bridge is a strikingly designed former railroad bridge turned pedestrian and cycling landmark, renowned for its illuminated steel “tunnel” art installation spanning the Des Moines River in Iowa.
-
C.
Kinzie Street Railroad Bridge
The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
-
D.
Great River Bridge
The Great River Bridge is a cable-stayed highway bridge spanning the Mississippi River at Burlington, Iowa, serving as a key regional crossing between Iowa and Illinois.
-
E.
Imjin River Railroad Bridge
The Imjin River Railroad Bridge is a historic railway bridge in South Korea that spans the Imjin River near the Demilitarized Zone and has significance dating back to the Korean War.
- 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: Bollman Truss Railroad Bridge Triple: [Savage, Maryland, hasLandmark, Bollman Truss Railroad Bridge]
Generated description
The Bollman Truss Railroad Bridge is a historic 19th-century iron railroad bridge in Savage, Maryland, notable as one of the earliest surviving examples of a cast- and wrought-iron truss bridge in the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bollman Truss Railroad Bridge Target entity description: The Bollman Truss Railroad Bridge is a historic 19th-century iron railroad bridge in Savage, Maryland, notable as one of the earliest surviving examples of a cast- and wrought-iron truss bridge in the United States.
-
A.
Panhandle Railroad Bridge
The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
-
B.
High Trestle Trail Bridge
The High Trestle Trail Bridge is a strikingly designed former railroad bridge turned pedestrian and cycling landmark, renowned for its illuminated steel “tunnel” art installation spanning the Des Moines River in Iowa.
-
C.
Kinzie Street Railroad Bridge
The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
-
D.
Great River Bridge
The Great River Bridge is a cable-stayed highway bridge spanning the Mississippi River at Burlington, Iowa, serving as a key regional crossing between Iowa and Illinois.
-
E.
Imjin River Railroad Bridge
The Imjin River Railroad Bridge is a historic railway bridge in South Korea that spans the Imjin River near the Demilitarized Zone and has significance dating back to the Korean War.
- 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_69d381c733c08190ab1dd6239f5f34ae |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d526d20ef48190ab9f70d4ce5f2a11 |
completed | April 7, 2026, 3:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d9344a53fc81909765061d07d0cd20 |
completed | April 10, 2026, 5:32 p.m. |
| NEDg | Description generation | batch_69d938c8b25c8190bb048053d8668e5c |
completed | April 10, 2026, 5:52 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d939b1844881908c8fbcb9488863f6 |
completed | April 10, 2026, 5:56 p.m. |
Created at: April 6, 2026, 12:33 p.m.