Triple
T12401969
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Greenfield (Pittsburgh) |
E296276
|
entity |
| Predicate | transportConnection |
P1298
|
FINISHED |
| Object |
Greenfield Bridge
Greenfield Bridge is a historic Pittsburgh roadway bridge that carries traffic between the Greenfield neighborhood and surrounding areas across a deep ravine.
|
E1080035
|
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: Greenfield Bridge | Statement: [Greenfield (Pittsburgh), transportConnection, Greenfield Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greenfield Bridge Context triple: [Greenfield (Pittsburgh), transportConnection, Greenfield Bridge]
-
A.
Bridgewater Bridge
Bridgewater Bridge is a major road and rail swing bridge in Tasmania, Australia, spanning the Derwent River and serving as a key transport link north of Hobart.
-
B.
Tyngsborough Bridge
Tyngsborough Bridge is a historic steel tied-arch bridge spanning the Merrimack River in Tyngsborough, Massachusetts, known for its distinctive green arch design.
-
C.
Burntollet Bridge
Burntollet Bridge is a bridge in County Londonderry, Northern Ireland, best known as the site of a violent loyalist ambush on a civil rights march in January 1969 that became a key flashpoint in the early Troubles.
-
D.
Felton Bridge
Felton Bridge is a historic stone road bridge in Northumberland, England, carrying traffic across the River Coquet near the village of Felton.
-
E.
Brooks Bridge
Brooks Bridge is a highway bridge in Fort Walton Beach, Florida, that carries U.S. Route 98 over the Santa Rosa Sound, connecting the mainland to Okaloosa Island.
- 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: Greenfield Bridge Triple: [Greenfield (Pittsburgh), transportConnection, Greenfield Bridge]
Generated description
Greenfield Bridge is a historic Pittsburgh roadway bridge that carries traffic between the Greenfield neighborhood and surrounding areas across a deep ravine.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Greenfield Bridge Target entity description: Greenfield Bridge is a historic Pittsburgh roadway bridge that carries traffic between the Greenfield neighborhood and surrounding areas across a deep ravine.
-
A.
Bridgewater Bridge
Bridgewater Bridge is a major road and rail swing bridge in Tasmania, Australia, spanning the Derwent River and serving as a key transport link north of Hobart.
-
B.
Tyngsborough Bridge
Tyngsborough Bridge is a historic steel tied-arch bridge spanning the Merrimack River in Tyngsborough, Massachusetts, known for its distinctive green arch design.
-
C.
Burntollet Bridge
Burntollet Bridge is a bridge in County Londonderry, Northern Ireland, best known as the site of a violent loyalist ambush on a civil rights march in January 1969 that became a key flashpoint in the early Troubles.
-
D.
Felton Bridge
Felton Bridge is a historic stone road bridge in Northumberland, England, carrying traffic across the River Coquet near the village of Felton.
-
E.
Brooks Bridge
Brooks Bridge is a highway bridge in Fort Walton Beach, Florida, that carries U.S. Route 98 over the Santa Rosa Sound, connecting the mainland to Okaloosa Island.
- 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_69d6ad9f464c81909db36d7e96e34b9e |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d477004819095e65ef6f70c69d9 |
completed | April 10, 2026, 7:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcd082fe64819088a270f18190b172 |
completed | May 7, 2026, 5:48 p.m. |
| NEDg | Description generation | batch_69fcd340e25881908c2ff61a40da2e7a |
completed | May 7, 2026, 6 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcd3fe5f5081909291e8b9af77ee33 |
completed | May 7, 2026, 6:03 p.m. |
Created at: April 8, 2026, 9:55 p.m.