Triple
T3543604
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA Blue Line |
E74942
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object |
Green Line at Clark/Lake
The Green Line at Clark/Lake is a major Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA rail lines.
|
E370253
|
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: Green Line at Clark/Lake | Statement: [CTA Blue Line, connectsWith, Green Line at Clark/Lake]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Green Line at Clark/Lake Context triple: [CTA Blue Line, connectsWith, Green Line at Clark/Lake]
-
A.
Green Line at North Station
The Green Line at North Station is a major MBTA light rail stop in Boston that serves as a key transfer point between the Green Line trolleys and regional commuter rail services.
-
B.
Green Line E branch
The Green Line E branch is a light rail service of Boston's MBTA Green Line that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street in Jamaica Plain.
-
C.
Green Line B branch
The Green Line B branch is a light rail service of Boston's MBTA Green Line that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
-
D.
Red Line at Jackson
The Red Line at Jackson is a major Chicago 'L' subway station in the Loop that serves the CTA Red Line and provides a key downtown transfer point between multiple rail lines.
-
E.
METRO Green Line
METRO Green Line is a light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with downtown St. Paul and key destinations in between.
- 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: Green Line at Clark/Lake Triple: [CTA Blue Line, connectsWith, Green Line at Clark/Lake]
Generated description
The Green Line at Clark/Lake is a major Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA rail lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Green Line at Clark/Lake Target entity description: The Green Line at Clark/Lake is a major Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA rail lines.
-
A.
Green Line at North Station
The Green Line at North Station is a major MBTA light rail stop in Boston that serves as a key transfer point between the Green Line trolleys and regional commuter rail services.
-
B.
Green Line E branch
The Green Line E branch is a light rail service of Boston's MBTA Green Line that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street in Jamaica Plain.
-
C.
Green Line B branch
The Green Line B branch is a light rail service of Boston's MBTA Green Line that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
-
D.
Red Line at Jackson
The Red Line at Jackson is a major Chicago 'L' subway station in the Loop that serves the CTA Red Line and provides a key downtown transfer point between multiple rail lines.
-
E.
METRO Green Line
METRO Green Line is a light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with downtown St. Paul and key destinations in between.
- 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_69ad85d274cc8190ab59c97298a1cfbf |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbf752dd481909226044ffe595338 |
completed | March 8, 2026, 6:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b3bb8ec8948190a0ae799ad20f42b3 |
completed | March 13, 2026, 7:23 a.m. |
| NEDg | Description generation | batch_69b3bd2c58188190ae822c2334e7d123 |
completed | March 13, 2026, 7:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b3f85388c8819080c3cf149314b2ea |
completed | March 13, 2026, 11:43 a.m. |
Created at: March 8, 2026, 3:20 p.m.