Triple
T3424107
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Contoocook River |
E72185
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Contoocook Railroad Bridge
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
|
E415340
|
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: Contoocook Railroad Bridge | Statement: [Contoocook River, hasBridge, Contoocook Railroad Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Contoocook Railroad Bridge Context triple: [Contoocook River, hasBridge, Contoocook Railroad Bridge]
-
A.
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.
-
B.
Newkirk Viaduct
The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
-
C.
Strawberry Creek bridge
Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
-
D.
Beachley Viaduct
Beachley Viaduct is a road bridge in Gloucestershire, England, that carries the M48 motorway across the Beachley peninsula as part of the Severn Bridge crossing between England and Wales.
-
E.
Hurricane Gulch Bridge
Hurricane Gulch Bridge is a historic steel arch railroad bridge in Alaska that carries the Alaska Railroad across the deep Hurricane Gulch canyon.
- 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: Contoocook Railroad Bridge Triple: [Contoocook River, hasBridge, Contoocook Railroad Bridge]
Generated description
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Contoocook Railroad Bridge Target entity description: The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
-
A.
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.
-
B.
Newkirk Viaduct
The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
-
C.
Strawberry Creek bridge
Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
-
D.
Beachley Viaduct
Beachley Viaduct is a road bridge in Gloucestershire, England, that carries the M48 motorway across the Beachley peninsula as part of the Severn Bridge crossing between England and Wales.
-
E.
Hurricane Gulch Bridge
Hurricane Gulch Bridge is a historic steel arch railroad bridge in Alaska that carries the Alaska Railroad across the deep Hurricane Gulch canyon.
- 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_69ad85ad38e48190b7660c5118a35289 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb9533b588190a18a9b6495712ee0 |
completed | March 8, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5767842bc8190849c79a510160654 |
completed | March 14, 2026, 2:53 p.m. |
| NEDg | Description generation | batch_69b57729ca3881909be016ad92a65785 |
completed | March 14, 2026, 2:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5778dcdc08190aee087f6d54992dc |
completed | March 14, 2026, 2:58 p.m. |
Created at: March 8, 2026, 3:15 p.m.