Triple
T844972
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Purple Line (CTA) |
E18256
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Davis station
Davis station is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line and connecting to multiple bus routes.
|
E99584
|
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: Davis station | Statement: [Purple Line (CTA), hasStation, Davis station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Davis station Context triple: [Purple Line (CTA), hasStation, Davis station]
-
A.
Davis station
Davis station is an underground rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line located in Somerville, Massachusetts.
-
B.
Bellingshausen Station
Bellingshausen Station is a Russian Antarctic research base located on King George Island in the South Shetland Islands.
-
C.
Palmer Station
Palmer Station is a United States research facility on Anvers Island off the Antarctic Peninsula, focused on marine biology, climate, and ecosystem studies in the Western Antarctic region.
-
D.
Halley Research Station
Halley Research Station is a British Antarctic research facility on the Brunt Ice Shelf, known for atmospheric and climate science, including the discovery of the ozone hole.
-
E.
Signy Research Station
Signy Research Station is a British Antarctic Survey research facility on Signy Island in the South Orkney Islands, focused on biological and environmental studies in the sub-Antarctic region.
- 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: Davis station Triple: [Purple Line (CTA), hasStation, Davis station]
Generated description
Davis station is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line and connecting to multiple bus routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Davis station Target entity description: Davis station is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line and connecting to multiple bus routes.
-
A.
Davis station
Davis station is an underground rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line located in Somerville, Massachusetts.
-
B.
Bellingshausen Station
Bellingshausen Station is a Russian Antarctic research base located on King George Island in the South Shetland Islands.
-
C.
Palmer Station
Palmer Station is a United States research facility on Anvers Island off the Antarctic Peninsula, focused on marine biology, climate, and ecosystem studies in the Western Antarctic region.
-
D.
Halley Research Station
Halley Research Station is a British Antarctic research facility on the Brunt Ice Shelf, known for atmospheric and climate science, including the discovery of the ozone hole.
-
E.
Signy Research Station
Signy Research Station is a British Antarctic Survey research facility on Signy Island in the South Orkney Islands, focused on biological and environmental studies in the sub-Antarctic region.
- 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_69a4938b04208190b82e1df6b572c548 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4ac09249c8190a8099b94a3c9e2cc |
completed | March 1, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7929c8c9c8190a0279f347ab64765 |
completed | March 4, 2026, 2:02 a.m. |
| NEDg | Description generation | batch_69a792fcb75881908562b79005d62b3b |
completed | March 4, 2026, 2:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a793fd988481908ad3c6d2cd46026d |
completed | March 4, 2026, 2:07 a.m. |
Created at: March 1, 2026, 7:38 p.m.