نتایج جستجو برای: data availability
تعداد نتایج: 2503948 فیلتر نتایج به سال:
High availability in peer-to-peer DHTs requires data redundancy. This paper takes user download behavior into account to evaluate redundancy schemes in data storage and share systems. Furthermore, we propose a hybrid redundancy scheme of replication and erasure coding. Experiment results show that replication scheme saves more bandwidth than erasure coding scheme, although it requires more stor...
The ideal storage system is always available and incrementally expandable. Existing storage systems fall far from this ideal. Affordable computers and high-speed networks allow us to investigate storage architectures closer to the ideal. Our demo, present a prototype implementation of LH*RS: a highly available scalable and distributed data structure.
High average-utility itemsets mining (HAUIM) is a key data mining task, which aims at discovering high average-utility itemsets (HAUIs) by taking itemset length into account in transactional databases. Most of these algorithms only consider a single minimum utility threshold for identifying the HAUIs. In this paper, we address this issue by introducing the task of mining HAUIs with multiple min...
Mesa is a highly scalable analytic data warehousing system that stores critical measurement data related to Google’s Internet advertising business. Mesa is designed to satisfy a complex and challenging set of user and systems requirements, including near real-time data ingestion and queryability, as well as high availability, reliability, fault tolerance, and scalability for large data and quer...
This paper reports on a four-week study of the usage of myTeam, a prototype that provides availability awareness for distributed work groups through the use of sensor data. Automatically detected information such as presence or absence in office, network connection, mouse and keyboard activity is conveyed along with optional user-added information such as “gone for the day”, or “do not disturb”...
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