Triple
T15930757
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Low Energy Transmission Grating Spectrometer |
E386316
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Chandra X-ray Center |
E182700
|
NE FINISHED |
How this triple was built (2 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: Chandra X-ray Center | Statement: [Low Energy Transmission Grating Spectrometer, operatedBy, Chandra X-ray Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chandra X-ray Center Context triple: [Low Energy Transmission Grating Spectrometer, operatedBy, Chandra X-ray Center]
-
A.
Chandra X-ray Center
chosen
The Chandra X-ray Center is the science and operations hub that manages, supports, and distributes data for NASA’s Chandra X-ray Observatory, one of the flagship space telescopes for high-energy astrophysics.
-
B.
Smithsonian Astrophysical Observatory
The Smithsonian Astrophysical Observatory is a major research institution dedicated to the study of astronomy and astrophysics, known for its work in observational astronomy, space science, and collaboration with the Harvard College Observatory.
-
C.
Space Telescope Science Institute
The Space Telescope Science Institute is a research and operations center that manages the science and mission planning for major space observatories, including NASA’s Hubble Space Telescope and the James Webb Space Telescope.
-
D.
Carnegie Observatories
Carnegie Observatories is a major astronomical research institution known for operating world-class telescopes and conducting cutting-edge studies of the universe.
-
E.
Gemini Observatory
Gemini Observatory is an international astronomical research facility operating twin 8.1-meter telescopes in Hawaii and Chile to provide comprehensive coverage of both the northern and southern skies.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d86da750008190987eb26be3f6c118 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e156a45d088190b365f05161e7d409 |
completed | April 16, 2026, 9:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffb5b2a8888190824f2252b65920f2 |
completed | May 9, 2026, 10:31 p.m. |
Created at: April 10, 2026, 4:52 a.m.