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This book constitutes the refereed proceedings of the 30th Australasian Database Conference, ADC 2019, held in Sydney, NSW, Australia, in January/February 2019.

The 9 full papers presented together with one demo paper were carefully reviewed and selected from 19 submissions. The Australasian Database Conference is an annual international forum for sharing the latest research progresses and novel applications of database systems, data management, data mining and data analytics for researchers and practitioners in these areas from Australia, New Zealand and in the world

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Batch Processing of Shortest Path Queries in Road Networks.- Extracting Temporal Patterns From Large-Scale Text Corpus.- Simple SQL Validation of Generalized Entity Integrity.- A Versatile Framework for Painless Benchmarking of Database Management Systems.- Neighbourhood Blocking for Record Linkage.- Items2Data: Generating Synthetic Boolean Datasets from Itemsets.- Real Time Transaction Management in Replicated DRTDBS.- Materialized View Selection for Aggregate View Recommendation.- Effective Community Search Over Location-Based Social Networks: Conceptual Framework with Preliminary Result.- Context-aware Visualization of Entity-Entity Relationships in a Document Corpus.

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