Triple
T4084371
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LaSalle Street Station |
E87553
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Rock Island District main line |
E48978
|
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: Rock Island District main line | Statement: [LaSalle Street Station, servedBy, Rock Island District main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rock Island District main line Context triple: [LaSalle Street Station, servedBy, Rock Island District main line]
-
A.
Rock Island District main line
chosen
The Rock Island District main line is a primary Metra commuter rail route in the Chicago area, running between downtown Chicago and its southwestern suburbs.
-
B.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
-
C.
Alton Line
The Alton Line is a railway route in southern England that connects the town of Alton in Hampshire with the wider national rail network.
-
D.
Fox–Sauk–Kickapoo branch
The Fox–Sauk–Kickapoo branch is a subgroup of the Algonquian language family that includes the closely related Fox, Sauk, and Kickapoo languages traditionally spoken in the Great Lakes and central United States region.
-
E.
Trenton Line
Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
- 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_69aed9435cf48190ad1da737c962d19d |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefc7a4b488190ab466e2c50329ab3 |
completed | March 9, 2026, 4:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b562c9760c8190a9292eb1cea55ab2 |
completed | March 14, 2026, 1:29 p.m. |
Created at: March 9, 2026, 3:39 p.m.