Advanced Database Systems and Queries

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The problem of statistics and aggregate maintenance over data streams has gained popularity in recent years especially in telecommunications network monitoring, trend-related analysis, Web-click streams, stock tickers, and other time-variant data. The amount of data generated in such applications can become too large…

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• REDA ALHAJJ

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• REDA ALHAJJ

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The Organization for the Advancement of Structured Information Standards (OASIS) has developed the business transaction protocol (BTP) to meet the requirements of Web-based long-running collaborative business applications. BTP is designed to support interactions that cross application and administrative boundaries, th…

In this paper, we present an approach for incorporating fuzzy and imprecise data in XML documents. We describe the ways to introduce fuzziness using both possibility theory and similarity relations. We then show how to map the data from a fuzzy relational database into a fuzzy XML document, with the corresponding XML…

Next generation information system applications require powerful and intelligent information management that necessitates an efficient interaction between database and knowledge base technologies. It is also important for these applications to incorporate uncertainty in data objects, in integrity constraints, and/or i…

The popularity of NoSQL databases has increased due to the need of (1) processing vast amount of data faster than the relational database management systems by taking the advantage of highly scalable architecture, (2) flexible (schema-free) data structure, and, (3) low latency and high performance. Despite that memory…

• RESUL KARA

The popularity of NoSQL databases has increased due to the need of (1) processing vast amount of data faster than the relational database management systems by taking the advantage of highly scalable architecture, (2) flexible (schema-free) data structure, and, (3) low latency and high performance. Despite that memory…

• ABDULLAH TALHA KABAKUŞ

High-performance low-cost PC hardware and high-speed LAN/WAN technologies make distributed database (DDB) systems an attractive research area where query optimization and DDB design are the two important and related problems. Since dynamic programming is not feasible for optimizing queries in a DDB, we propose a new g…

• AHMET COŞAR
• ENDER SEVİNÇ

High-performance low-cost PC hardware and high-speed LAN/WAN technologies make distributed database (DDB) systems an attractive research area where query optimization and DDB design are the two important and related problems. Since dynamic programming is not feasible for optimizing queries in a DDB, we propose a new g…

• AHMET COŞAR