Triple
T3189648
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Oswego, Oregon |
E66787
|
entity |
| Predicate | hasHistoricSite |
P1098
|
FINISHED |
| Object |
Oregon Iron Company furnace
The Oregon Iron Company furnace is a historic 19th-century iron smelting furnace in Lake Oswego, Oregon, that represents the city’s early industrial and iron-making heritage.
|
E336555
|
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: Oregon Iron Company furnace | Statement: [Lake Oswego, Oregon, hasHistoricSite, Oregon Iron Company furnace]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oregon Iron Company furnace Context triple: [Lake Oswego, Oregon, hasHistoricSite, Oregon Iron Company furnace]
-
A.
Ynysfach Ironworks
Ynysfach Ironworks is a historic former ironworks in Merthyr Tydfil, Wales, that played a significant role in the town’s 19th-century iron and industrial heritage.
-
B.
Homestead Steel Works
Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
-
C.
Minnesota Iron Company
Minnesota Iron Company was a major iron mining and ore production firm in Minnesota that operated as a subsidiary within the larger U.S. steel industry.
-
D.
Clark Mills foundry
Clark Mills foundry was the 19th-century American metalworking facility operated by sculptor Clark Mills, known for casting prominent bronze sculptures and monuments in Washington, D.C.
-
E.
Pueblo steel mills
Pueblo steel mills are a historic industrial complex in Pueblo, Colorado, that formed the backbone of the city’s steel production and economic development.
- 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: Oregon Iron Company furnace Triple: [Lake Oswego, Oregon, hasHistoricSite, Oregon Iron Company furnace]
Generated description
The Oregon Iron Company furnace is a historic 19th-century iron smelting furnace in Lake Oswego, Oregon, that represents the city’s early industrial and iron-making heritage.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Oregon Iron Company furnace Target entity description: The Oregon Iron Company furnace is a historic 19th-century iron smelting furnace in Lake Oswego, Oregon, that represents the city’s early industrial and iron-making heritage.
-
A.
Ynysfach Ironworks
Ynysfach Ironworks is a historic former ironworks in Merthyr Tydfil, Wales, that played a significant role in the town’s 19th-century iron and industrial heritage.
-
B.
Homestead Steel Works
Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
-
C.
Minnesota Iron Company
Minnesota Iron Company was a major iron mining and ore production firm in Minnesota that operated as a subsidiary within the larger U.S. steel industry.
-
D.
Clark Mills foundry
Clark Mills foundry was the 19th-century American metalworking facility operated by sculptor Clark Mills, known for casting prominent bronze sculptures and monuments in Washington, D.C.
-
E.
Pueblo steel mills
Pueblo steel mills are a historic industrial complex in Pueblo, Colorado, that formed the backbone of the city’s steel production and economic development.
- 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_69ad8587c1bc8190a2595f2c22ee1001 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada6e67e948190afbd9cc6a3ade415 |
completed | March 8, 2026, 4:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24b9a9bc88190b7090bda8fe6260c |
completed | March 12, 2026, 5:14 a.m. |
| NEDg | Description generation | batch_69b24d677ca8819094cb03360ac885da |
completed | March 12, 2026, 5:21 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b25178f3c08190be78bdbd0cdfc5f3 |
completed | March 12, 2026, 5:39 a.m. |
Created at: March 8, 2026, 3:07 p.m.