Triple
T779171
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (CTA) |
E16457
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Clark/Lake station
Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
|
E140174
|
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: Clark/Lake station | Statement: [Blue Line (CTA), hasStation, Clark/Lake station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Clark/Lake station Context triple: [Blue Line (CTA), hasStation, Clark/Lake station]
-
A.
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.
-
B.
Lawrence West station
Lawrence West station is a subway station on Toronto's Line 1 Yonge–University, serving the Lawrence Heights and surrounding North York area.
-
C.
St. Clair West station
St. Clair West station is a Toronto Transit Commission subway station on Line 1 serving the St. Clair Avenue West corridor in midtown Toronto.
-
D.
Kenmore station
Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
-
E.
Washington/Wabash station
Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
- 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: Clark/Lake station Triple: [Blue Line (CTA), hasStation, Clark/Lake station]
Generated description
Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Clark/Lake station Target entity description: Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
-
A.
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.
-
B.
Lawrence West station
Lawrence West station is a subway station on Toronto's Line 1 Yonge–University, serving the Lawrence Heights and surrounding North York area.
-
C.
St. Clair West station
St. Clair West station is a Toronto Transit Commission subway station on Line 1 serving the St. Clair Avenue West corridor in midtown Toronto.
-
D.
Kenmore station
Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
-
E.
Washington/Wabash station
Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
- 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_69a4936ad1fc81908f190208059ccf78 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a74f886081909c27b786e3adbe32 |
completed | March 1, 2026, 8:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac82e8bd788190a20a580bae9bd94e |
completed | March 7, 2026, 7:56 p.m. |
| NEDg | Description generation | batch_69ac870e762881909b8fb892a1f0c338 |
completed | March 7, 2026, 8:14 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac8761ff0481908eeabcc1b10d7492 |
completed | March 7, 2026, 8:15 p.m. |
Created at: March 1, 2026, 7:37 p.m.