Results 41 to 50 of about 11,404 (241)
مدیریت فشار در شبکههای توزیع آب با استفاده از سامانههای اطلاعات مکانی و پایگاه داده مکانی متن باز (مطالعه موردی: شهرک گلستان شیراز) [PDF]
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
PASE: PostgreSQL Ultra-High-Dimensional Approximate Nearest Neighbor Search Extension
Similarity search has been widely used in various fields, particularly in the Alibaba ecosystem. The open-source solutions to a similarity search of vectors can only support a query with a single vector, whereas real-life scenarios generally require a ...
Wen Yang, Tao Li, Gai Fang, Hong Wei
semanticscholar +1 more source
AUTOIMPORT OF A LARGE VOLUME INFORMATION INTO A DATABASE USING THE PYTHON PROGRAMMING LANGUAGE
The article discusses an efficient and automated way to import large amounts of data from Excel tables into a database. In various projects, there are tasks in which the flow of huge data, such as logs of program operations or manual operations performed
Roman R. Krapivin +4 more
doaj +1 more source
In this paper we consider multidimensional indexing with the additional constraint of lexicographical ordering. In order to deal with this problem we discuss two well-known tree data structures: R-tree and B-tree.
P. V. Fedotovsky +4 more
doaj +1 more source
Adaptive and Scalable Database Management with Machine Learning Integration: A PostgreSQL Case Study
The increasing complexity of managing modern database systems, particularly in terms of optimizing query performance for large datasets, presents significant challenges that traditional methods often fail to address.
Maryam Abbasi +4 more
semanticscholar +1 more source
Integrando minería de reglas de asociación en PostgreSQL
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
Abstract Background There are limited data on the efficacy of smartphone‐based personal health records (PHRs) in patients with cardiovascular disease. This study aimed to examine the processes, outcomes and challenges associated with the implementation of integrated PHRs in patients with heart failure (HF) or coronary artery disease (CAD). Methods This
Kotaro Nochioka +16 more
wiley +1 more source
The advancement of digital technologies has brought a rapid global information exchange, impacting all areas of our lives. This also applies to science. Knowledge, conservation and scientific innovation on global biodiversity are being strengthened and disseminated at unprecedented scales.
Ana Flávia Alves Versiane +9 more
wiley +1 more source
Capacity building needed to reap the benefits of access to biodiversity collections
Global conservation efforts increasingly depend on digitised natural history collections, yet the benefits of this digital data are not equally shared. We analysed biodiversity specimens and citation data from Montserrat and the Cayman Islands to assess who collected these specimens, how they are used, and by whom.
Quentin Groom +16 more
wiley +1 more source
ONLINE STATISTICS SYSTEM FOR PARTICIPANTS IN THE DISCORD MESSENGER USING PYTHON AND POSTGRESQL
The relevance of the topic under consideration is since in one of the Discord channel communities there was a need to collect the activity of channel members for a certain time and duration.
Roman R. Krapivin +3 more
doaj +1 more source

