Triple
T4591120
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago Avenue |
E103489
|
entity |
| Predicate | servedByBusRoute |
P14525
|
FINISHED |
| Object |
CTA Route 66 Chicago
CTA Route 66 Chicago is a Chicago Transit Authority bus line that runs primarily along Chicago Avenue, connecting neighborhoods on the city’s West Side with downtown.
|
E454734
|
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: CTA Route 66 Chicago | Statement: [Chicago Avenue, servedByBusRoute, CTA Route 66 Chicago]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CTA Route 66 Chicago Context triple: [Chicago Avenue, servedByBusRoute, CTA Route 66 Chicago]
-
A.
O'Hare–Forest Park corridor
The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
-
B.
Chicago Riverwalk
The Chicago Riverwalk is a scenic pedestrian waterfront along the Chicago River featuring walking paths, restaurants, public art, and recreational spaces in downtown Chicago.
-
C.
Grand Boulevard, Chicago
Grand Boulevard is a neighborhood on Chicago’s South Side known for its historic boulevards, cultural landmarks, and significant role in the city’s African American history.
-
D.
Lake Shore Drive
Lake Shore Drive is a major scenic expressway running along the Lake Michigan shoreline in Chicago, known for connecting the city’s lakefront parks, beaches, and downtown.
-
E.
Heritage Corridor (via Joliet)
Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
- 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: CTA Route 66 Chicago Triple: [Chicago Avenue, servedByBusRoute, CTA Route 66 Chicago]
Generated description
CTA Route 66 Chicago is a Chicago Transit Authority bus line that runs primarily along Chicago Avenue, connecting neighborhoods on the city’s West Side with downtown.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CTA Route 66 Chicago Target entity description: CTA Route 66 Chicago is a Chicago Transit Authority bus line that runs primarily along Chicago Avenue, connecting neighborhoods on the city’s West Side with downtown.
-
A.
O'Hare–Forest Park corridor
The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
-
B.
Chicago Riverwalk
The Chicago Riverwalk is a scenic pedestrian waterfront along the Chicago River featuring walking paths, restaurants, public art, and recreational spaces in downtown Chicago.
-
C.
Grand Boulevard, Chicago
Grand Boulevard is a neighborhood on Chicago’s South Side known for its historic boulevards, cultural landmarks, and significant role in the city’s African American history.
-
D.
Lake Shore Drive
Lake Shore Drive is a major scenic expressway running along the Lake Michigan shoreline in Chicago, known for connecting the city’s lakefront parks, beaches, and downtown.
-
E.
Heritage Corridor (via Joliet)
Heritage Corridor (via Joliet) is a Metra commuter rail line in the Chicago area that runs between Chicago Union Station and Joliet, primarily following the former Gulf, Mobile and Ohio Railroad route.
- 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_69bd43dccaf08190aa89e9991a289719 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd5923c0c88190952137d448d474cf |
completed | March 20, 2026, 2:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bde0cdc7e8819088758c1d6d8e866d |
completed | March 21, 2026, 12:05 a.m. |
| NEDg | Description generation | batch_69bde21999688190afc48da7fa2cd869 |
completed | March 21, 2026, 12:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bde283e1988190bfa3545d2a362294 |
completed | March 21, 2026, 12:12 a.m. |
Created at: March 20, 2026, 1:11 p.m.