Triple
T3597649
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA Pink Line |
E76177
|
entity |
| Predicate | usesLoopTrack |
P48776
|
FINISHED |
| Object |
Inner Loop
Inner Loop is the clockwise-traveling elevated rail circuit in downtown Chicago’s Loop that serves multiple Chicago Transit Authority train lines.
|
E372116
|
NE FINISHED |
How this triple was built (5 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: Inner Loop | Statement: [CTA Pink Line, usesLoopTrack, Inner Loop]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Inner Loop Context triple: [CTA Pink Line, usesLoopTrack, Inner Loop]
-
A.
Inner Loop
Inner Loop is a downtown Miami Metromover route that circulates through the city’s central business district on an automated people mover system.
-
B.
Inner Loop
Inner Loop is the clockwise-traveling set of lanes on the Capital Beltway (Interstate 495) encircling the Washington, D.C. metropolitan area.
-
C.
Outer Loop
Outer Loop is the counterclockwise carriageway of the Capital Beltway (Interstate 495) encircling the Washington, D.C. metropolitan area.
-
D.
B Loop
B Loop is one of the main routes of the Portland Streetcar system, providing modern streetcar service through key neighborhoods in Portland, Oregon.
-
E.
A Loop
A Loop is a modern streetcar route in Portland, Oregon, that provides circulator service through the central city and adjacent neighborhoods as part of the Portland Streetcar system.
- 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: Inner Loop Triple: [CTA Pink Line, usesLoopTrack, Inner Loop]
Generated description
Inner Loop is the clockwise-traveling elevated rail circuit in downtown Chicago’s Loop that serves multiple Chicago Transit Authority train lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Inner Loop Target entity description: Inner Loop is the clockwise-traveling elevated rail circuit in downtown Chicago’s Loop that serves multiple Chicago Transit Authority train lines.
-
A.
Inner Loop
Inner Loop is the clockwise-traveling set of lanes on the Capital Beltway (Interstate 495) encircling the Washington, D.C. metropolitan area.
-
B.
Inner Loop
Inner Loop is a downtown Miami Metromover route that circulates through the city’s central business district on an automated people mover system.
-
C.
Outer Loop
Outer Loop is the counterclockwise carriageway of the Capital Beltway (Interstate 495) encircling the Washington, D.C. metropolitan area.
-
D.
B Loop
B Loop is one of the main routes of the Portland Streetcar system, providing modern streetcar service through key neighborhoods in Portland, Oregon.
-
E.
A Loop
A Loop is a modern streetcar route in Portland, Oregon, that provides circulator service through the central city and adjacent neighborhoods as part of the Portland Streetcar system.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: usesLoopTrack Context triple: [CTA Pink Line, usesLoopTrack, Inner Loop]
-
A.
isLoop
Indicates that something forms or behaves as a closed, repeating cycle or path that returns to its starting point.
-
B.
hasBusLoop
chosen
Indicates that a location or facility includes a designated looped roadway or area specifically for bus circulation, stopping, or turning.
-
C.
hasTrack
Indicates that one entity possesses, includes, or is associated with a specific track (such as a path, course, or recorded item).
-
D.
usesRepetition
Indicates that one entity employs repeated elements, actions, or patterns as a deliberate feature or technique in relation to another entity or context.
-
E.
usesTrackage
Indicates that one transportation operator or service runs its vehicles over railway or transit tracks that are owned or controlled by another entity.
- F. None of above.
Provenance (6 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_69ad85d8042081908af94a04c410dec0 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc19c71608190a87c98214321214c |
completed | March 8, 2026, 6:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b40316ebdc819088eb21b7087fb7e7 |
completed | March 13, 2026, 12:29 p.m. |
| NEDg | Description generation | batch_69b406f095488190b4543fa8008fe86c |
completed | March 13, 2026, 12:45 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b408744dcc819081308b7182a40c88 |
completed | March 13, 2026, 12:52 p.m. |
| PD | Predicate disambiguation | batch_69adb83b66708190bb9d2f23d6fd308e |
completed | March 8, 2026, 5:56 p.m. |
Created at: March 8, 2026, 3:22 p.m.