Triple
T9285536
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northwestern Pacific Railroad |
E223383
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Haystack Landing Bridge
Haystack Landing Bridge is a historic railroad swing bridge in Petaluma, California, that carries Northwestern Pacific Railroad tracks across the Petaluma River.
|
E795539
|
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: Haystack Landing Bridge | Statement: [Northwestern Pacific Railroad, hasBridge, Haystack Landing Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Haystack Landing Bridge Context triple: [Northwestern Pacific Railroad, hasBridge, Haystack Landing Bridge]
-
A.
Berkley Bridge
The Berkley Bridge is a major highway drawbridge in Norfolk, Virginia, carrying Interstate 264 traffic across the Eastern Branch of the Elizabeth River.
-
B.
Hudson Memorial Bridge
The Hudson Memorial Bridge is a major highway bridge spanning the Tennessee River in Decatur, Alabama, serving as a key transportation link in the region.
-
C.
Broadway Bridge
The Broadway Bridge is a movable bridge in New York City that carries Broadway and the subway across the Harlem River between Manhattan and the Bronx.
-
D.
Broadway Bridge
The Broadway Bridge is a historic steel truss bascule bridge spanning the Willamette River in Portland, Oregon, carrying both road traffic and light rail.
-
E.
Broadway Bridge
Broadway Bridge is a prominent historic arch bridge in Saskatoon, Saskatchewan, known for carrying traffic across the South Saskatchewan River and serving as a key city landmark.
- 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: Haystack Landing Bridge Triple: [Northwestern Pacific Railroad, hasBridge, Haystack Landing Bridge]
Generated description
Haystack Landing Bridge is a historic railroad swing bridge in Petaluma, California, that carries Northwestern Pacific Railroad tracks across the Petaluma River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Haystack Landing Bridge Target entity description: Haystack Landing Bridge is a historic railroad swing bridge in Petaluma, California, that carries Northwestern Pacific Railroad tracks across the Petaluma River.
-
A.
Berkley Bridge
The Berkley Bridge is a major highway drawbridge in Norfolk, Virginia, carrying Interstate 264 traffic across the Eastern Branch of the Elizabeth River.
-
B.
Hudson Memorial Bridge
The Hudson Memorial Bridge is a major highway bridge spanning the Tennessee River in Decatur, Alabama, serving as a key transportation link in the region.
-
C.
Broadway Bridge
The Broadway Bridge is a movable bridge in New York City that carries Broadway and the subway across the Harlem River between Manhattan and the Bronx.
-
D.
Broadway Bridge
The Broadway Bridge is a historic steel truss bascule bridge spanning the Willamette River in Portland, Oregon, carrying both road traffic and light rail.
-
E.
Broadway Bridge
Broadway Bridge is a prominent historic arch bridge in Saskatoon, Saskatchewan, known for carrying traffic across the South Saskatchewan River and serving as a key city landmark.
- 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_69ca8422ddf881908a3f8f876c9f53aa |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd081fe8cc8190b6c1b481c7129689 |
completed | April 1, 2026, 11:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d100bcd1d08190ad8fe83841f6761f |
completed | April 4, 2026, 12:14 p.m. |
| NEDg | Description generation | batch_69d1019391e88190863d768ab47e5a0d |
completed | April 4, 2026, 12:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1024cfedc81908a97b5fe4970719a |
completed | April 4, 2026, 12:21 p.m. |
Created at: March 30, 2026, 7:35 p.m.