Triple
T2322753
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Itasca, Illinois |
E48217
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object |
Itasca station
Itasca station is a commuter rail stop in Itasca, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
|
E256682
|
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: Itasca station | Statement: [Itasca, Illinois, hasRailStation, Itasca station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Itasca station Context triple: [Itasca, Illinois, hasRailStation, Itasca station]
-
A.
Canberra Deep Space Communications Complex
The Canberra Deep Space Communications Complex is a NASA-affiliated ground station in Australia that tracks and communicates with interplanetary spacecraft as part of the Deep Space Network.
-
B.
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.
-
C.
Goldstone Deep Space Communications Complex
The Goldstone Deep Space Communications Complex is a major NASA facility in California that houses large radio antennas used to track and communicate with interplanetary spacecraft as part of the Deep Space Network.
-
D.
Vera Rubin Ridge
Vera Rubin Ridge is a geologic feature on Mars explored by NASA's Curiosity rover, named in honor of pioneering astronomer Vera Rubin.
-
E.
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.
- 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: Itasca station Triple: [Itasca, Illinois, hasRailStation, Itasca station]
Generated description
Itasca station is a commuter rail stop in Itasca, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Itasca station Target entity description: Itasca station is a commuter rail stop in Itasca, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
A.
Canberra Deep Space Communications Complex
The Canberra Deep Space Communications Complex is a NASA-affiliated ground station in Australia that tracks and communicates with interplanetary spacecraft as part of the Deep Space Network.
-
B.
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.
-
C.
Goldstone Deep Space Communications Complex
The Goldstone Deep Space Communications Complex is a major NASA facility in California that houses large radio antennas used to track and communicate with interplanetary spacecraft as part of the Deep Space Network.
-
D.
Vera Rubin Ridge
Vera Rubin Ridge is a geologic feature on Mars explored by NASA's Curiosity rover, named in honor of pioneering astronomer Vera Rubin.
-
E.
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.
- 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_69a88aa308a88190b0b86c011fda7fce |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc645bac081908c0b161d0ca99aaf |
completed | March 7, 2026, 6:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae896b357c8190a6cdf99d5292037e |
completed | March 9, 2026, 8:48 a.m. |
| NEDg | Description generation | batch_69ae8e8263a08190a0950dbb1336df70 |
completed | March 9, 2026, 9:10 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae8f9fe79c819080062587aed27379 |
completed | March 9, 2026, 9:15 a.m. |
Created at: March 4, 2026, 7:49 p.m.