Triple
T5172208
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Howard station |
E116709
|
entity |
| Predicate | hasTransferBetween |
P34164
|
FINISHED |
| Object |
Purple Line and Yellow Line
The Purple Line and Yellow Line are two Chicago 'L' rapid transit routes that share tracks on the city's North Side and provide service connecting northern suburbs and neighborhoods to central Chicago.
|
E502471
|
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: Purple Line and Yellow Line | Statement: [Howard station, hasTransferBetween, Purple Line and Yellow Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Purple Line and Yellow Line Context triple: [Howard station, hasTransferBetween, Purple Line and Yellow Line]
-
A.
Red Line and Yellow Line
Red Line and Yellow Line are two intersecting Chicago 'L' rapid transit routes that connect at Howard station on the city's North Side.
-
B.
Blue Line and Orange Line
The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
-
C.
Red Line and Purple Line
The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
-
D.
Red Line and Green Line
Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
-
E.
Red Line–Orange Line
Red Line–Orange Line is a transfer connection point in the Chicago 'L' rapid transit system where passengers can switch between the Red and Orange lines.
- 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: Purple Line and Yellow Line Triple: [Howard station, hasTransferBetween, Purple Line and Yellow Line]
Generated description
The Purple Line and Yellow Line are two Chicago 'L' rapid transit routes that share tracks on the city's North Side and provide service connecting northern suburbs and neighborhoods to central Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Purple Line and Yellow Line Target entity description: The Purple Line and Yellow Line are two Chicago 'L' rapid transit routes that share tracks on the city's North Side and provide service connecting northern suburbs and neighborhoods to central Chicago.
-
A.
Red Line and Yellow Line
Red Line and Yellow Line are two intersecting Chicago 'L' rapid transit routes that connect at Howard station on the city's North Side.
-
B.
Blue Line and Orange Line
The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
-
C.
Red Line and Purple Line
chosen
The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
-
D.
Red Line and Green Line
Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
-
E.
Red Line–Orange Line
Red Line–Orange Line is a transfer connection point in the Chicago 'L' rapid transit system where passengers can switch between the Red and Orange lines.
- F. None of above.
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_69bd445ff97c81909a2615cc56235470 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd846dfb908190827fbee5a5ae55e2 |
completed | March 20, 2026, 5:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf3a86d58481909752c09fb9fec74e |
completed | March 22, 2026, 12:40 a.m. |
| NEDg | Description generation | batch_69bf3e398f40819081b6e1cf0b673316 |
completed | March 22, 2026, 12:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf3ec2e6c88190a7e965d06455dccd |
completed | March 22, 2026, 12:58 a.m. |
Created at: March 20, 2026, 1:45 p.m.