Data source selection for approximate query
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Combinatorial Optimization"
DOI: 10.1007/s10878-021-00760-y
Abstract: Exact query on big data is a challenging task due to the large numbers of autonomous data sources. In this paper, an efficient method is proposed to select sources on big data for approximate query.… read more here.
Keywords: data source; source selection; approximate query; query ... See more keywords
Learned Optimizer for Online Approximate Query Processing in Data Exploration
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Knowledge and Data Engineering"
DOI: 10.1109/tkde.2024.3361989
Abstract: In the interactive data exploration, approximate query processing (AQP) can be used to quickly return query results at the cost of accuracy. For online AQP, the sampler can be treated as an operator in the… read more here.
Keywords: data exploration; query processing; push; accuracy ... See more keywords
Approximate Query on Temporal Knowledge Graphs via Two-Level Embeddings
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DOI: 10.3390/e27121232
Abstract: Approximate query on knowledge graphs (KGs) is an important and common task in real-world applications, where the goal is to return more results on KGs that match the query criteria. Previous approximate query methods have… read more here.
Keywords: two level; level; approximate query; temporal knowledge ... See more keywords