EAN: 9783031007682

SYNTHESIS LECTURES ON DATA MANAGEMENT QUERY P...

Due to measurement errors  transmission lost  or injected noise for privacy protection 
uncertainty exists in the data of many real applications. However  query processing techniques
for deterministic data cannot be directly applied to uncertain data because they do not have
mechanisms to handle data uncertainty. Therefore  efficient and effective manipulation of
uncertain data is a practical yet challenging research topic. In this book  we start from the
data models for imprecise and uncertain data  move on to defining different semantics for
queries on uncertain data  and finally discuss the advanced query processing techniques for
various probabilistic queries in uncertain databases. The book serves as a comprehensive
guideline for query processing over uncertain databases. Table of Contents: Introduction  
Uncertain Data Models   Spatial Query Semantics over Uncertain Data Models   Spatial Query
Processing over Uncertain Databases   Conclusion

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