Showing 2026Show all
2 papers · 1 filter
cs.DB2026
Vivace: Exact Temporal OLAP over Interval Histories via Independent Serverless Execution
Woohyeok Park, Taeyoon Kim, Hyunjoon Kim +1
Temporal online analytical processing (OLAP) analyzes past states of data whose values change over time. Such histories are naturally stored as interval histories, in which each ro…
cs.AI2026
Trajectory-Aware Clinical Risk Prediction via Severity-Grounded Knowledge Graphs and Retrieval-Augmented Generation
Kyunghoon Jeon, Youmin Ko, Woohwan Jung +1
While Electronic Health Records (EHRs) offer a wealth of clinical data, effectively augmenting a patient's records with heterogeneous external knowledge to predict the patient's cl…