Titlebook: Database and Expert Systems Applications; 27th International C Sven Hartmann,Hui Ma Conference proceedings 2016 Springer International Publ

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Footprint Reduction and Uniqueness Enforcement with Hash Indices in SAP HANAs, such concatenated composite keys contribute significantly to the overall space consumption, which is particularly expensive for main memory-resident databases. We present an integer-based hash representation of the actual values for the purpose of reducing the overall memory footprint of a system

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τJSchema: A Framework for Managing Temporal JSON-Based NoSQL Databases a JSON-based API or query facility to simplify the life of application developers. Whereas many applications require the management of temporal data, the JSON Schema language lacks explicit support for time-varying data. In this paper, for a systematic approach to the management of temporal data in

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Conference proceedings 2016NoSQL, NewSQL; Multimedia Data; Personal Information Management; Semantic Web and Ontologies; Database and Information System Architectures; Query Answering and Optimization; Information Retrieval, and Keyword Search; Data Modelling, and Uncertainty..

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Thierry Warin,Aleksandar Stojkovdified . nearest neighbors (.NN) algorithm to speedup the matching process. The experimentalresults show that our approach is up?to five times faster than the traditional methods and can achieve high precisions and recalls.

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https://doi.org/10.1057/9781137510747e a method for estimating the abstractiveness of an event and analyzing the abstract-concrete relationships between news events based on the 5W model. The experimental results indicate that our model, concept, and method are effective for extracting a concrete event description.

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