Triple
T15762827
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA Purple Line |
E382139
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Main
Main is a Chicago 'L' rapid transit station on the city's Purple Line, serving the Evanston area north of Chicago.
|
E1176036
|
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: Main | Statement: [CTA Purple Line, hasStation, Main]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Main Context triple: [CTA Purple Line, hasStation, Main]
-
A.
Main
The Main is a major river in Germany that flows through central regions including the state of Bavaria before joining the Rhine.
-
B.
Main Post
Main Post is the historic core of the Presidio of San Francisco, featuring former military headquarters, parade grounds, and preserved buildings that now serve cultural, recreational, and visitor uses.
-
C.
Mainit
Mainit is a lakeside municipality in the province of Surigao del Norte in the Philippines, known for its hot springs and proximity to Lake Mainit.
-
D.
Mainkai
Mainkai is a prominent riverside promenade along the Main River in Frankfurt, known for its scenic views and role as a central venue for major city events and markets.
-
E.
Haupt
Haupt is the surname of Enid A. Haupt, an American publisher and philanthropist known for her major contributions to horticulture and the arts.
- 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: Main Triple: [CTA Purple Line, hasStation, Main]
Generated description
Main is a Chicago 'L' rapid transit station on the city's Purple Line, serving the Evanston area north of Chicago.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Main Target entity description: Main is a Chicago 'L' rapid transit station on the city's Purple Line, serving the Evanston area north of Chicago.
-
A.
Main
The Main is a major river in Germany that flows through central regions including the state of Bavaria before joining the Rhine.
-
B.
Main Post
Main Post is the historic core of the Presidio of San Francisco, featuring former military headquarters, parade grounds, and preserved buildings that now serve cultural, recreational, and visitor uses.
-
C.
Mainit
Mainit is a lakeside municipality in the province of Surigao del Norte in the Philippines, known for its hot springs and proximity to Lake Mainit.
-
D.
Mainkai
Mainkai is a prominent riverside promenade along the Main River in Frankfurt, known for its scenic views and role as a central venue for major city events and markets.
-
E.
Haupt
Haupt is the surname of Enid A. Haupt, an American publisher and philanthropist known for her major contributions to horticulture and the arts.
- 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_69d86d9e6b44819085d1f6a969ecb74c |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e050b6c9fc8190a1bcf763c4b04b12 |
completed | April 16, 2026, 3 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff8776c2488190ad27fd79e2ce4e14 |
completed | May 9, 2026, 7:13 p.m. |
| NEDg | Description generation | batch_69ff8b6c44d081908e35ca17b5ce2189 |
completed | May 9, 2026, 7:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff8ca1c1f08190aeb6f7421d54c2de |
completed | May 9, 2026, 7:36 p.m. |
Created at: April 10, 2026, 4:47 a.m.