Triple
T339874
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | University of Tartu |
E6809
|
entity |
| Predicate | hasObservatory |
P105
|
FINISHED |
| Object |
University of Tartu Old Observatory
The University of Tartu Old Observatory is a historic 19th-century astronomical observatory in Tartu, Estonia, renowned for its role in early astrophysical research and as a landmark of Baltic scientific heritage.
|
E44504
|
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: University of Tartu Old Observatory | Statement: [University of Tartu, hasObservatory, University of Tartu Old Observatory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: University of Tartu Old Observatory Context triple: [University of Tartu, hasObservatory, University of Tartu Old Observatory]
-
A.
University of Tartu Museum
The University of Tartu Museum is a cultural and scientific museum in Tartu, Estonia, showcasing the history, heritage, and research legacy of the University of Tartu.
-
B.
University of Tartu Library
The University of Tartu Library is the main academic library of the University of Tartu in Estonia, serving as a major national research and cultural repository.
-
C.
Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
-
D.
University of Tartu
The University of Tartu is a leading research-intensive university in Estonia, renowned for its strong programs in the humanities, natural and social sciences, and its historic role in Baltic and Nordic higher education.
-
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: University of Tartu Old Observatory Triple: [University of Tartu, hasObservatory, University of Tartu Old Observatory]
Generated description
The University of Tartu Old Observatory is a historic 19th-century astronomical observatory in Tartu, Estonia, renowned for its role in early astrophysical research and as a landmark of Baltic scientific heritage.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: University of Tartu Old Observatory Target entity description: The University of Tartu Old Observatory is a historic 19th-century astronomical observatory in Tartu, Estonia, renowned for its role in early astrophysical research and as a landmark of Baltic scientific heritage.
-
A.
University of Tartu Museum
The University of Tartu Museum is a cultural and scientific museum in Tartu, Estonia, showcasing the history, heritage, and research legacy of the University of Tartu.
-
B.
University of Tartu Library
The University of Tartu Library is the main academic library of the University of Tartu in Estonia, serving as a major national research and cultural repository.
-
C.
Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
-
D.
University of Tartu
The University of Tartu is a leading research-intensive university in Estonia, renowned for its strong programs in the humanities, natural and social sciences, and its historic role in Baltic and Nordic higher education.
-
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_69a2e7951ba08190960e90823b5078f3 |
completed | Feb. 28, 2026, 1:03 p.m. |
| NER | Named-entity recognition | batch_69a2eae4fcc08190bd4c2bf0149c8b50 |
completed | Feb. 28, 2026, 1:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3dd2ff66c8190a0e688e4f9baa5b4 |
completed | March 1, 2026, 6:31 a.m. |
| NEDg | Description generation | batch_69a3ddbbe7e08190ac167e158d19dbce |
completed | March 1, 2026, 6:33 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3de3fef7c819082193eb7083175e1 |
completed | March 1, 2026, 6:35 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.