Triple
T16430869
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thermal Infrared Sensor |
E399066
|
entity |
| Predicate | dataProduct |
P3585
|
FINISHED |
| Object | Landsat 8 TIRS Level-1 |
E520491
|
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: Landsat 8 TIRS Level-1 | Statement: [Thermal Infrared Sensor, dataProduct, Landsat 8 TIRS Level-1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Landsat 8 TIRS Level-1 Context triple: [Thermal Infrared Sensor, dataProduct, Landsat 8 TIRS Level-1]
-
A.
Landsat 8
chosen
Landsat 8 is an Earth observation satellite in the long-running Landsat program, providing high-resolution multispectral imagery for environmental monitoring, land use analysis, and climate research.
-
B.
Operational Land Imager
The Operational Land Imager is a multispectral imaging sensor on Landsat 8 designed to capture high-resolution, calibrated images of Earth’s land surfaces for environmental monitoring and land-use analysis.
-
C.
USGS EarthExplorer
USGS EarthExplorer is an online search, discovery, and download platform operated by the U.S. Geological Survey that provides public access to a wide range of satellite imagery and geospatial datasets.
-
D.
Advanced Spaceborne Thermal Emission and Reflection Radiometer
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is a high-resolution imaging sensor on NASA’s Terra satellite used to map and monitor Earth’s surface temperature, elevation, and reflectance for scientific and environmental applications.
-
E.
Landsat 7
Landsat 7 is a NASA Earth observation satellite launched in 1999 that provides multispectral imagery for environmental monitoring, land use analysis, and global change research.
- 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_69d87f2b9024819085c20e52de95d583 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e328fe0f488190ac34aa677c980a20 |
completed | April 18, 2026, 6:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a004584fa508190a85b1f79ecf9c258 |
completed | May 10, 2026, 8:44 a.m. |
Created at: April 10, 2026, 5:10 a.m.