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cs.DB2025
Sync Without Guesswork: Incomplete Time Series Alignment
Ding Jia, Jingyu Zhu, Yu Sun +4
Multivariate time series alignment is critical for ensuring coherent analysis across variables, but missing values and timestamp inconsistencies make this task highly challenging.…
cs.DB2020
Learning Individual Models for Imputation (Technical Report)
Aoqian Zhang, Shaoxu Song, Yu Sun +1
Missing numerical values are prevalent, e.g., owing to unreliable sensor reading, collection and transmission among heterogeneous sources. Unlike categorized data imputation over a…