Triple
T5897762
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | DuSable Bridge |
E131141
|
entity |
| Predicate | engineer |
P184
|
FINISHED |
| Object |
Thomas Pihlfeldt
Thomas Pihlfeldt was an engineer known for his role in designing and overseeing the construction of Chicago’s historic DuSable Bridge.
|
E602812
|
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: Thomas Pihlfeldt | Statement: [DuSable Bridge, engineer, Thomas Pihlfeldt]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thomas Pihlfeldt Context triple: [DuSable Bridge, engineer, Thomas Pihlfeldt]
-
A.
William Wendt
William Wendt was a prominent American landscape painter celebrated as a leading figure of the California Impressionist movement.
-
B.
Joseph Flummerfelt
Joseph Flummerfelt was an acclaimed American choral conductor and educator, best known for his long association with the Westminster Choir and major orchestras and festivals around the world.
-
C.
Thomas Hartwig
Thomas Hartwig is a technology entrepreneur best known as a co-founder of King Digital Entertainment, the company behind the hit game Candy Crush Saga.
-
D.
Gustav Kleikamp
Gustav Kleikamp was a German naval officer and rear admiral in the Kriegsmarine during World War II, known for commanding forces in the opening attack on Poland.
-
E.
Charles Rettig
Charles Rettig is an American tax attorney who served as the Commissioner of the Internal Revenue Service (IRS) from 2018 to 2022.
- 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: Thomas Pihlfeldt Triple: [DuSable Bridge, engineer, Thomas Pihlfeldt]
Generated description
Thomas Pihlfeldt was an engineer known for his role in designing and overseeing the construction of Chicago’s historic DuSable Bridge.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Thomas Pihlfeldt Target entity description: Thomas Pihlfeldt was an engineer known for his role in designing and overseeing the construction of Chicago’s historic DuSable Bridge.
-
A.
William Wendt
William Wendt was a prominent American landscape painter celebrated as a leading figure of the California Impressionist movement.
-
B.
Joseph Flummerfelt
Joseph Flummerfelt was an acclaimed American choral conductor and educator, best known for his long association with the Westminster Choir and major orchestras and festivals around the world.
-
C.
Thomas Hartwig
Thomas Hartwig is a technology entrepreneur best known as a co-founder of King Digital Entertainment, the company behind the hit game Candy Crush Saga.
-
D.
Gustav Kleikamp
Gustav Kleikamp was a German naval officer and rear admiral in the Kriegsmarine during World War II, known for commanding forces in the opening attack on Poland.
-
E.
Charles Rettig
Charles Rettig is an American tax attorney who served as the Commissioner of the Internal Revenue Service (IRS) from 2018 to 2022.
- 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_69c00857439c819095950754176aa58a |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c036f65c1c819084cb90662af6e114 |
completed | March 22, 2026, 6:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6cae2c7f4819096354202532ae488 |
completed | March 27, 2026, 6:22 p.m. |
| NEDg | Description generation | batch_69c6cfcdb0c881909a1e36c863dbe813 |
completed | March 27, 2026, 6:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6d2879870819087a38ba8c5f61fe8 |
completed | March 27, 2026, 6:55 p.m. |
Created at: March 22, 2026, 3:58 p.m.