Triple
T797707
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (CTA) |
E17058
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
Indiana station
Indiana station is a Chicago Transit Authority 'L' rapid transit stop on the South Side, located along the Green Line.
|
E95721
|
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: Indiana station | Statement: [Green Line (CTA), servesStation, Indiana station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Indiana station Context triple: [Green Line (CTA), servesStation, Indiana station]
-
A.
Adams/Wabash station
Adams/Wabash station is an elevated Chicago "L" train stop in the Loop, serving multiple lines in the heart of downtown Chicago.
-
B.
Jefferson Station
Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
-
C.
Fort Wayne, Indiana
Fort Wayne, Indiana is a major city in northeastern Indiana known as a regional economic, cultural, and manufacturing hub.
-
D.
Lake station
Lake station is a Chicago 'L' rapid transit station on the Loop, serving as a key stop in the city's downtown elevated rail system.
-
E.
St. Clair station
St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
- 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: Indiana station Triple: [Green Line (CTA), servesStation, Indiana station]
Generated description
Indiana station is a Chicago Transit Authority 'L' rapid transit stop on the South Side, located along the Green Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Indiana station Target entity description: Indiana station is a Chicago Transit Authority 'L' rapid transit stop on the South Side, located along the Green Line.
-
A.
Adams/Wabash station
Adams/Wabash station is an elevated Chicago "L" train stop in the Loop, serving multiple lines in the heart of downtown Chicago.
-
B.
Jefferson Station
Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
-
C.
Fort Wayne, Indiana
Fort Wayne, Indiana is a major city in northeastern Indiana known as a regional economic, cultural, and manufacturing hub.
-
D.
Lake station
Lake station is a Chicago 'L' rapid transit station on the Loop, serving as a key stop in the city's downtown elevated rail system.
-
E.
St. Clair station
St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
- 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_69a49378b9c48190adbf5f62e5b7aca1 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a7b342888190a344fe81a2c9f33c |
completed | March 1, 2026, 8:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a689227bfc8190a4378f0093dca7ef |
completed | March 3, 2026, 7:09 a.m. |
| NEDg | Description generation | batch_69a689c9974c819082082cd83fe46cbc |
completed | March 3, 2026, 7:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a6d763a7848190ba4d5266d581acdb |
completed | March 3, 2026, 12:43 p.m. |
Created at: March 1, 2026, 7:38 p.m.