Results 51 to 60 of about 40,776 (245)

FLIAT, an object-relational GIS tool for flood impact assessment in Flanders, Belgium [PDF]

open access: yes, 2019
Floods can cause damage to transportation and energy infrastructure, disrupt the delivery of services, and take a toll on public health, sometimes even causing significant loss of life. Although scientists widely stress the compelling need for resilience
Beullens, Jochem   +4 more
core   +1 more source

مدیریت فشار در شبکه‌های توزیع آب با استفاده از سامانه‌های اطلاعات مکانی و پایگاه داده مکانی متن ‏باز (مطالعه موردی: شهرک گلستان شیراز) [PDF]

open access: yesآب و توسعه پایدار, 2018
یکی از مشکلات موجود در سطح شرکت‏ های آب و فاضلاب مدیریت فشار در شبکه‏ های توزیع آب است. با توجه به ارتباط مستقیم بین فشار شبکه و میزان مصارف مشترکین، مدل‏سازی توزیع مکانی فشار در نرم‏ افزارهای هیدرولیکی قابل انجام است؛ ولی به علت مکان مرجع بودن داده ‏های
غلامرضا فلاحی   +1 more
doaj   +1 more source

Deep Reinforcement Learning for Join Order Enumeration

open access: yes, 2018
Join order selection plays a significant role in query performance. However, modern query optimizers typically employ static join enumeration algorithms that do not receive any feedback about the quality of the resulting plan.
Aboulnaga A.   +7 more
core   +1 more source

Neo: A Learned Query Optimizer

open access: yes, 2019
Query optimization is one of the most challenging problems in database systems. Despite the progress made over the past decades, query optimizers remain extremely complex components that require a great deal of hand-tuning for specific workloads and ...
Alizadeh, Mohammad   +7 more
core   +1 more source

PENGEMBANGAN SINGLE PAGE APPLICATION PADA SISTEM INFORMASI AKADEMIK

open access: yesIlkom Jurnal Ilmiah, 2018
Sistem Informasi Akademik (SIAKA) adalah sistem pengelola data sehingga memudahkan pengguna dalam kegiatan administrasi akademik secara online. Single Page Application (SPA) adalah aplikasi web yang sesuai pada satu halaman web dinamis tanpa refresh page.
Poetri Lestari Lokapitasari Belluano
doaj   +1 more source

Comparison of MySQL, MSSQL, PostgreSQL, Oracle databases performance, including virtualization

open access: yesJournal of Computer Sciences Institute, 2020
Oracle, MSSQL, MySQL and PostgreSQL are four of the most popular relational databases. They are often used in internet applications. This paper aims to compare the efficiency of these technologies in terms of speed using virtualization with Docker.
Wojciech Truskowski   +2 more
doaj   +1 more source

Fault tolerance via diversity for off-the-shelf products: A study with SQL database servers [PDF]

open access: yes, 2007
If an off-the-shelf software product exhibits poor dependability due to design faults, then software fault tolerance is often the only way available to users and system integrators to alleviate the problem.
Gashi, I., Popov, P. T., Strigini, L.
core   +1 more source

A Novel Digitalization Approach for Smart Materials – Ontology‐Based Access to Data and Models

open access: yesAdvanced Engineering Materials, EarlyView.
In order to access heterogeneous material data and model‐based knowledge, the established ontology‐based data access (OBDA) is extended to include material models. This novel ontology‐based data and model access (OBDMA) enables the computation of new responses beyond stored data.
Jürgen Maas   +15 more
wiley   +1 more source

In-RDBMS Hardware Acceleration of Advanced Analytics [PDF]

open access: yesDivya Mahajan, Joon Kyung Kim, Jacob Sacks, Adel Ardalan, Arun Kumar, and Hadi Esmaeilzadeh. In-RDBMS Hardware Acceleration of Advanced Analytics. PVLDB, 11(11): 1317-1331, 2018, 2018
The data revolution is fueled by advances in machine learning, databases, and hardware design. Programmable accelerators are making their way into each of these areas independently. As such, there is a void of solutions that enables hardware acceleration at the intersection of these disjoint fields.
arxiv   +1 more source

Integrando minería de reglas de asociación en PostgreSQL

open access: yesSerie Científica de la Universidad de las Ciencias Informáticas, 2022
El desarrollo de las tecnologías y la informatización de las empresas ha incrementado el cúmulo de información almacenada en las bases de datos dificultando el proceso de análisis de estas manualmente, por lo cual es necesario utilizar técnicas como la ...
Alfredo Yunior Montero Oconor   +2 more
doaj  

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