Triple
T27662477
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bigtable: A Distributed Storage System for Structured Data |
E697155
|
entity |
| Predicate | hasAuthor |
P4244
|
FINISHED |
| Object |
Sridhar Rajagopalan
Sridhar Rajagopalan is a computer scientist known for his contributions to large-scale distributed systems, including co-authoring Google's influential Bigtable storage system.
|
E1851601
|
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: Sridhar Rajagopalan | Statement: [Bigtable: A Distributed Storage System for Structured Data, hasAuthor, Sridhar Rajagopalan]
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: Sridhar Rajagopalan Triple: [Bigtable: A Distributed Storage System for Structured Data, hasAuthor, Sridhar Rajagopalan]
Generated description
Sridhar Rajagopalan is a computer scientist known for his contributions to large-scale distributed systems, including co-authoring Google's influential Bigtable storage system.
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_69ef590b85a4819083ec7c12bd3c9c10 |
completed | April 27, 2026, 12:39 p.m. |
| NER | Named-entity recognition | batch_69f634a183bc8190bdb59700f8f0a16e |
completed | May 2, 2026, 5:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a2537810cf48190908a337411acb4b4 |
completed | June 7, 2026, 9:18 a.m. |
| NEDg | Description generation | batch_6a253bf87598819087116abf2274d649 |
completed | June 7, 2026, 9:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a25470a98f48190b7afa02e39675cc3 |
completed | June 7, 2026, 10:25 a.m. |
Created at: April 27, 2026, 2:37 p.m.