Triple
T15762807
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA Purple Line |
E382139
|
entity |
| Predicate | uses |
P98
|
FINISHED |
| Object |
Howard branch
The Howard branch is a major segment of Chicago's rapid transit system that serves as the northern portion of the Red Line and a key corridor for CTA rail operations.
|
E1176032
|
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: Howard branch | Statement: [CTA Purple Line, uses, Howard branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howard branch Context triple: [CTA Purple Line, uses, Howard branch]
-
A.
New Hope Branch
New Hope Branch is a former Reading Railroad branch line in southeastern Pennsylvania that once provided rail service between the Philadelphia area and the town of New Hope.
-
B.
Springfield Branch
Springfield Branch is a neighborhood library facility that serves as one of the community branches within the Newark Public Library system.
-
C.
Howell Branch
Howell Branch is a local public library facility that serves as one of the community branches within the Central Rappahannock Regional Library system.
-
D.
Montross Branch
Montross Branch is a local public library facility that serves the Montross, Virginia community as part of the Central Rappahannock Regional Library system.
-
E.
Ballard Branch
Ballard Branch is a neighborhood library of the Seattle Public Library system serving the Ballard area with books, media, and community services.
- 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: Howard branch Triple: [CTA Purple Line, uses, Howard branch]
Generated description
The Howard branch is a major segment of Chicago's rapid transit system that serves as the northern portion of the Red Line and a key corridor for CTA rail operations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Howard branch Target entity description: The Howard branch is a major segment of Chicago's rapid transit system that serves as the northern portion of the Red Line and a key corridor for CTA rail operations.
-
A.
New Hope Branch
New Hope Branch is a former Reading Railroad branch line in southeastern Pennsylvania that once provided rail service between the Philadelphia area and the town of New Hope.
-
B.
Springfield Branch
Springfield Branch is a neighborhood library facility that serves as one of the community branches within the Newark Public Library system.
-
C.
Howell Branch
Howell Branch is a local public library facility that serves as one of the community branches within the Central Rappahannock Regional Library system.
-
D.
Montross Branch
Montross Branch is a local public library facility that serves the Montross, Virginia community as part of the Central Rappahannock Regional Library system.
-
E.
Ballard Branch
Ballard Branch is a neighborhood library of the Seattle Public Library system serving the Ballard area with books, media, and community services.
- 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.