Results 71 to 80 of about 1,755,080 (282)

The Main Elements of Development of Mandatory Access Control Mechanism in DBMS MySQL based on DP-Models

open access: yesБезопасность информационных технологий, 2014
It is proposed an approach to development of mandatory access control in originally discrete DBMS MySQL based on DP-models. It is performed analysis of the existent access control mechanisms in this DBMS, it is described DP-model of MySQL, and it is ...
Denis Nikolaevich Kolegov   +2 more
doaj  

Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore the relationship between dopaminergic denervation and motor impairment in two de novo Parkinson's disease (PD) cohorts. Methods n = 249 PD patients from Parkinson's Progression Markers Initiative (PPMI) and n = 84 from an external clinical cohort.
Rachele Malito   +14 more
wiley   +1 more source

Five‐Year Disease Progression in Synuclein Seeding Positive Sporadic Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To provide a comprehensive description of disease progression in synuclein seeding assay (SAA) positive sporadic Parkinson Disease participants, using Neuronal Synuclein Disease integrated biological and functional impairment staging framework.
Paulina Gonzalez‐Latapi   +19 more
wiley   +1 more source

Interface between astrophysical datasets and distributed database management systems (DAVID) [PDF]

open access: yes
This is a status report on the progress of the DAVID (Distributed Access View Integrated Database Management System) project being carried out at Louisiana State University, Baton Rouge, Louisiana.
Iyengar, S. S.
core   +1 more source

Indexing a Fuzzy Database Using the Technique of Superimposed Coding - Cost Models and Measurements [PDF]

open access: yes, 1996
Recently, new applications have emerged that require database management systems with uncertainty capabilities. Many of the existing approaches to modelling uncertainty in database management systems are based on the theory of fuzzy sets.
Boss, Birgit, Helmer, Sven
core  

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende   +26 more
wiley   +1 more source

How to Better Assess the Real Role of the Environment in Pregnancy, From Past to Future: A Relational Open Data Infrastructure Covering 30,000 Births

open access: yesHealth Science Reports
Background and Aims One of today's challenges in terms of understanding the real impact of the environment on pregnancy and its complications is the ability to work with real‐life data that are correctly and extensively connected to data on the ...
Sophie Cot   +6 more
doaj   +1 more source

Developmental and Epileptic Encephalopathy due to Biallelic Pathogenic Variants in PIGM

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective PIGM encodes a critical enzyme in the glycosylphosphatidylinositol (GPI)‐anchor biosynthesis pathway. While promoter‐region mutations in PIGM have been associated with a relatively mild phenotype characterized by portal vein thrombosis and absence seizures, recent evidence suggests that coding‐region mutations result in a more severe
Júlia Sala‐Coromina   +11 more
wiley   +1 more source

STRATEGIC CONSIDERATIONS FOR DATABASE SYSTEMS: POSTGRESQL VS. MICROSOFT SQL SERVER

open access: yesАвтоматизация технологических и бизнес-процессов
In this paper, we conducted a comprehensive study of two leading relational database management systems: Microsoft SQL Server and PostgreSQL, representing commercial and open-source software development models respectively.
R. О. Popov, V. V. Gerasimov
doaj   +1 more source

Array sort: an adaptive sorting algorithm on multi-thread

open access: yesThe Journal of Engineering, 2019
Sorting is the most fundamental operation in database system. There are many classical sorting algorithms and among them the most commonly-used sorting algorithm in modern database system is merge sort.
Xin Huang, Zhijing Liu, Jinyang Li
doaj   +1 more source

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