Triple
T24505687
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | California station (CTA Blue Line) |
E618058
|
entity |
| Predicate | formerRailwayLine |
P20480
|
FINISHED |
| Object |
Logan Square branch
The Logan Square branch was a former elevated rapid transit line in Chicago that once served the city's Northwest Side before being replaced by the modern Blue Line configuration.
|
E1638108
|
NE FINISHED |
How this triple was built (2 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: Logan Square branch | Statement: [California station (CTA Blue Line), formerRailwayLine, Logan Square branch]
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: Logan Square branch Triple: [California station (CTA Blue Line), formerRailwayLine, Logan Square branch]
Generated description
The Logan Square branch was a former elevated rapid transit line in Chicago that once served the city's Northwest Side before being replaced by the modern Blue Line configuration.
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_69e2d7f682108190a1a7ca5fd485ee8a |
completed | April 18, 2026, 1:01 a.m. |
| NER | Named-entity recognition | batch_69f2a80667c08190966984252535b968 |
completed | April 30, 2026, 12:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0fee8bc1b48190907cc7717911963c |
completed | May 22, 2026, 5:50 a.m. |
| NEDg | Description generation | batch_6a0fef20efe08190bb4cb412e2473ae5 |
completed | May 22, 2026, 5:52 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0ff097dd8881908bb83d84a6581ef7 |
completed | May 22, 2026, 5:58 a.m. |
Created at: April 18, 2026, 2:23 a.m.