Triple
T16416235
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Edgar M. Lazarus |
E398690
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object |
Portland Rowing Club boathouse (attributed)
The Portland Rowing Club boathouse (attributed) is a historic riverside boathouse in Portland, Oregon, associated with architect Edgar M. Lazarus and known for its early 20th-century design and role in the city’s rowing culture.
|
E1211398
|
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: Portland Rowing Club boathouse (attributed) | Statement: [Edgar M. Lazarus, notableWork, Portland Rowing Club boathouse (attributed)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland Rowing Club boathouse (attributed) Context triple: [Edgar M. Lazarus, notableWork, Portland Rowing Club boathouse (attributed)]
-
A.
Dalrymple Boathouse
Dalrymple Boathouse is a historic lakeside boathouse and recreational facility located within Roger Williams Park in Providence, Rhode Island.
-
B.
Beckwith Boathouse
Beckwith Boathouse is a rowing facility at the University of Iowa that serves as the home base for the university’s rowing teams along the Iowa River.
-
C.
Canal Dock Boathouse
Canal Dock Boathouse is a waterfront community and rowing facility in New Haven, Connecticut, serving as a hub for boating, recreation, and events along the city’s harbor.
-
D.
Marston Boathouse
Marston Boathouse is the primary rowing facility and home base for Brown University's Brown Bears crew programs.
-
E.
Magdalen Bridge Boathouse
Magdalen Bridge Boathouse is a riverside boat hire and punting station in Oxford, England, serving visitors and students on the River Cherwell near Magdalen Bridge.
- 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: Portland Rowing Club boathouse (attributed) Triple: [Edgar M. Lazarus, notableWork, Portland Rowing Club boathouse (attributed)]
Generated description
The Portland Rowing Club boathouse (attributed) is a historic riverside boathouse in Portland, Oregon, associated with architect Edgar M. Lazarus and known for its early 20th-century design and role in the city’s rowing culture.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Portland Rowing Club boathouse (attributed) Target entity description: The Portland Rowing Club boathouse (attributed) is a historic riverside boathouse in Portland, Oregon, associated with architect Edgar M. Lazarus and known for its early 20th-century design and role in the city’s rowing culture.
-
A.
Dalrymple Boathouse
Dalrymple Boathouse is a historic lakeside boathouse and recreational facility located within Roger Williams Park in Providence, Rhode Island.
-
B.
Beckwith Boathouse
Beckwith Boathouse is a rowing facility at the University of Iowa that serves as the home base for the university’s rowing teams along the Iowa River.
-
C.
Canal Dock Boathouse
Canal Dock Boathouse is a waterfront community and rowing facility in New Haven, Connecticut, serving as a hub for boating, recreation, and events along the city’s harbor.
-
D.
Marston Boathouse
Marston Boathouse is the primary rowing facility and home base for Brown University's Brown Bears crew programs.
-
E.
Magdalen Bridge Boathouse
Magdalen Bridge Boathouse is a riverside boat hire and punting station in Oxford, England, serving visitors and students on the River Cherwell near Magdalen Bridge.
- 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_69d87f2b9024819085c20e52de95d583 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32877ff248190886717d3329421a7 |
completed | April 18, 2026, 6:45 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a003c6a89988190a44515f1ca08099f |
completed | May 10, 2026, 8:06 a.m. |
| NEDg | Description generation | batch_6a003db7b0308190bc4b8065cf2c01ec |
completed | May 10, 2026, 8:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a003e86a9f48190ae39ec170c776604 |
completed | May 10, 2026, 8:15 a.m. |
Created at: April 10, 2026, 5:09 a.m.