Triple
T8465730
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City of Richmond Hill |
E200155
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
David Dunlap Observatory
The David Dunlap Observatory is a historic Canadian astronomical observatory in Ontario known for housing one of the largest optical telescopes in the country and for its significant contributions to astrophysical research.
|
E736388
|
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: David Dunlap Observatory | Statement: [City of Richmond Hill, hasLandmark, David Dunlap Observatory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: David Dunlap Observatory Context triple: [City of Richmond Hill, hasLandmark, David Dunlap Observatory]
-
A.
Kirkwood Observatory
Kirkwood Observatory is an astronomical observatory at Indiana University in Bloomington, Indiana, known for its historic telescope and role in teaching and public outreach in astronomy.
-
B.
Barnard Observatory
Barnard Observatory is a historic astronomical observatory at the University of Mississippi, named for astronomer Edward Emerson Barnard and known for its 19th-century role in American observational astronomy.
-
C.
Fred Lawrence Whipple Observatory
The Fred Lawrence Whipple Observatory is a major astronomical research facility in Arizona known for its optical and gamma-ray telescopes used to study the universe.
-
D.
Lowell Observatory
Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
-
E.
Yerkes Observatory
Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
- 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: David Dunlap Observatory Triple: [City of Richmond Hill, hasLandmark, David Dunlap Observatory]
Generated description
The David Dunlap Observatory is a historic Canadian astronomical observatory in Ontario known for housing one of the largest optical telescopes in the country and for its significant contributions to astrophysical research.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: David Dunlap Observatory Target entity description: The David Dunlap Observatory is a historic Canadian astronomical observatory in Ontario known for housing one of the largest optical telescopes in the country and for its significant contributions to astrophysical research.
-
A.
Kirkwood Observatory
Kirkwood Observatory is an astronomical observatory at Indiana University in Bloomington, Indiana, known for its historic telescope and role in teaching and public outreach in astronomy.
-
B.
Barnard Observatory
Barnard Observatory is a historic astronomical observatory at the University of Mississippi, named for astronomer Edward Emerson Barnard and known for its 19th-century role in American observational astronomy.
-
C.
Fred Lawrence Whipple Observatory
The Fred Lawrence Whipple Observatory is a major astronomical research facility in Arizona known for its optical and gamma-ray telescopes used to study the universe.
-
D.
Lowell Observatory
Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
-
E.
Yerkes Observatory
Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
- 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_69ca83198c4c8190a337bf717d1813f5 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe4d17ec8819093becdaec750aff5 |
completed | March 31, 2026, 3:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce39e0d7788190add03271c940e1ff |
completed | April 2, 2026, 9:41 a.m. |
| NEDg | Description generation | batch_69ce3adb954c8190a26c7e7bbed6bbe7 |
completed | April 2, 2026, 9:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce3cafd4248190982d537bdcb92747 |
completed | April 2, 2026, 9:53 a.m. |
Created at: March 30, 2026, 6:11 p.m.