Triple
T250
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Carnegie Institution of Washington |
E4
|
entity |
| Predicate | hasResearchCenter |
P40
|
FINISHED |
| Object |
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.
|
E55
|
NE FINISHED |
How this triple was built (5 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: Las Campanas Observatory | Statement: [Carnegie Institution of Washington, hasResearchCenter, Las Campanas Observatory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Las Campanas Observatory Context triple: [Carnegie Institution of Washington, hasResearchCenter, Las Campanas Observatory]
-
A.
Carnegie Institution of Washington
The Carnegie Institution of Washington is a private, nonprofit scientific research organization founded by Andrew Carnegie that supports advanced research across fields such as astronomy, biology, and earth sciences.
-
B.
Massachusetts Institute of Technology
The Massachusetts Institute of Technology is a world-renowned research university in Cambridge, Massachusetts, known for its pioneering work in science, engineering, and technology.
-
C.
Cambridge, Massachusetts
Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
-
D.
Tufts College
Tufts College is a private research university in Medford and Somerville, Massachusetts, known for its strong programs in the liberal arts, sciences, and international relations.
-
E.
Belmont, Massachusetts, United States
Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
- 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: Las Campanas Observatory Triple: [Carnegie Institution of Washington, hasResearchCenter, Las Campanas Observatory]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Las Campanas Observatory Target entity description: 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.
-
A.
Carnegie Institution of Washington
The Carnegie Institution of Washington is a private, nonprofit scientific research organization founded by Andrew Carnegie that supports advanced research across fields such as astronomy, biology, and earth sciences.
-
B.
Massachusetts Institute of Technology
The Massachusetts Institute of Technology is a world-renowned research university in Cambridge, Massachusetts, known for its pioneering work in science, engineering, and technology.
-
C.
Cambridge, Massachusetts
Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
-
D.
Tufts College
Tufts College is a private research university in Medford and Somerville, Massachusetts, known for its strong programs in the liberal arts, sciences, and international relations.
-
E.
Belmont, Massachusetts, United States
Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasResearchCenter Context triple: [Carnegie Institution of Washington, hasResearchCenter, Las Campanas Observatory]
-
A.
headquartersLocation
Indicates the place where an organization’s main administrative center or principal office is located.
-
B.
foundedOn
Indicates that an entity was established, created, or brought into existence on a specific date or point in time.
-
C.
fundedBy
Indicates that an entity receives financial support or resources from another entity.
-
D.
locatedIn
chosen
Indicates that one entity exists or is situated within the spatial, administrative, or conceptual boundaries of another entity.
-
E.
hasRepresentationIn
Indicates that one entity is represented, depicted, or encoded within another entity, such as a concept, object, or data structure having a corresponding representation in a specific medium or context.
- F. None of above.
Provenance (6 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_69a222a954e48190b48f126a67485661 |
completed | Feb. 27, 2026, 11:03 p.m. |
| NER | Named-entity recognition | batch_69a228187e888190b2bb2aee9a69b61b |
completed | Feb. 27, 2026, 11:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a22e1415b48190a3182c57c34189da |
completed | Feb. 27, 2026, 11:51 p.m. |
| NEDg | Description generation | batch_69a22ef983988190837eee4bdefc9a66 |
completed | Feb. 27, 2026, 11:55 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a22f462b40819097d61cba3c84cc10 |
completed | Feb. 27, 2026, 11:56 p.m. |
| PD | Predicate disambiguation | batch_69a226e6f58881908808f6985f779c3c |
completed | Feb. 27, 2026, 11:21 p.m. |
Created at: Feb. 27, 2026, 11:04 p.m.