نتایج جستجو برای: database system
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Abstract In this systems paper, we present MillenniumDB: a novel graph database engine that is modular, persistent, and open source. MillenniumDB based on data model, which call domain graphs, provides simple abstraction upon variety of popular models can be supported, thus providing flexible management for diverse types knowledge graph. The itself founded combination tried tested techniques fr...
کنترل یا اجازه دسترسی، مفهومی است که به اندازه مدت زمانی که بشر از دارایی خود محافظت می کرده است قدمت دارد. از جنبه تجاری، کنترل دسترسی پتانسیلی برار به اشتراک گذاشتن بهینه اطلاعات و منابع و همچنین کنترل کاربران برای جلوگیری از فاش کردن یا از بین بردن اطلاعات با ارزش دارد. در این پایان نامه، جند نوع سیاست کنترل دسترسی، ویژگی ها، اهداف، مزایا و معایب آن ها به طور مختصر شرح داده می شود و تمرکز بی...
Introduction: The Iranian Brain Imaging Database (IBID) was initiated in 2017, with 5 major goals: provide researchers easy access to a neuroimaging database, provide normative quantitative measures of the brain for clinical research purposes, study the aging profile of the brain, examine the association of brain structure and function, and join the ENIGMA consortium. Many prestigious databases...
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We demonstrate PBIR , an integrated system that we have built for conducting multimodal image retrieval. The system combines the strengths of content-based soft annotation (CBSA), multimodal relevance feedback through active learning, and perceptual distance formulation and indexing. PBIR supports multimodal query and annotation in any combination of its three basic modes: seed-by-nothing, seed...
Database Management Systems (DBMSs) are complex, mission-critical pieces of software. Today’s DBMSs are based on decades of academic and industrial research, and intense corporate software development. Database systems were among the earliest widely-deployed online server systems, and as such have pioneered design issues spanning not only data management, but also applications, operating system...
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