Results 41 to 50 of about 55,832 (275)

Integrando minería de reglas de asociación en PostgreSQL

Serie 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, Jose Miguel Reyes Pérez, Julio Cesar Diaz Vera   +2 more
doaj  

To sort or not to sort: the evaluation of R-Tree and B+-Tree in transactional environment with ordered result requirement

Труды Института системного программирования РАН, 2018
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, G. A. Erokhin, K. E. Cherednik, K. K. Smirnov, G. A. Chernishev   +4 more
doaj   +1 more source

SmartUnit: Empirical Evaluations for Automated Unit Testing of Embedded Software in Industry

, 2018
In this paper, we aim at the automated unit coverage-based testing for embedded software. To achieve the goal, by analyzing the industrial requirements and our previous work on automated unit testing tool CAUT, we rebuild a new tool, SmartUnit, to solve ...
Miao, Weikai, Pu, Geguang, Su, Ting, Wu, Ke, Yan, Yichen, Yao, Yinbo, Zhang, Chengyu, Zhou, Hanru   +7 more
core   +1 more source

Simulating climate change scenarios established by the Intergovernmental Panel on Climate Change in aquatic mesocosms

Limnology and Oceanography: Methods, EarlyView.
Abstract Climate change poses a major threat to ecosystems worldwide, with temperature changes being a key driver of ecological disruption in aquatic environments due to the limited ability of many aquatic species to relocate in response. Despite advances in aquatic experimental approaches to temperature control, most studies rely on simplified warming
Tauany Rodrigues, Aldo Caccavo, Saulo Jacques, Luiza O. Costa, Vinicius F. Farjalla, Aliny P. F. Pires   +5 more
wiley   +1 more source

SPOT: Open Source framework for scientific data repository and interactive visualization [PDF]

, 2018
SPOT is an open source and free visual data analytics tool for multi-dimensional data-sets. Its web-based interface allows a quick analysis of complex data interactively. The operations on data such as aggregation and filtering are implemented.
Attema, Jisk, Bakhshi, Rena, Caron, Sascha, Diblen, Faruk, Hendriks, Luc, Stienen, Bob   +5 more
core   +2 more sources

Synergistic efforts in specimen digitisation, curation and cataloguing of Brazil's megadiverse flora and funga

PLANTS, PEOPLE, PLANET, EarlyView.
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, Fabiana Ranzato Filardi, Thuane Bochorny, Paula Leitman, Mariana Taniguchi, Felipe Alves de Oliveira, Luís Alexandre Estevão da Silva, Rafael Oliveira Lima, Domingos Cardoso, Rafaela Campostrini Forzza   +9 more
wiley   +1 more source

ONLINE STATISTICS SYSTEM FOR PARTICIPANTS IN THE DISCORD MESSENGER USING PYTHON AND POSTGRESQL

International Journal of Advanced Studies, 2022
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, Linar M. Akhmetov, Marat R. Khamidullin, Gulnara A. Gareeva   +3 more
doaj   +1 more source

Neo: A Learned Query Optimizer

, 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, Kraska, Tim, Mao, Hongzi, Marcus, Ryan, Negi, Parimarjan, Papaemmanouil, Olga, Tatbul, Nesime, Zhang, Chi   +7 more
core   +1 more source

STUDI PERBANDINGAN PERFORMANSI ANTARA MYSQL DAN POSTGRESQL

Jurnal khatulistiwa informatika, 2020
Penggunaan DBMS saat ini merupakan hal yang sangat penting dalam segala aspek, baik itu dalam skala yang besar atau kecil. Pemilihan database merupakan bagian yang sangat penting, karena database tersebut nantinya harus mampu mengelola data dalam jumlah ...
Ardian Dwi Praba, Maryanah Safitri
semanticscholar   +1 more source

Capacity building needed to reap the benefits of access to biodiversity collections

PLANTS, PEOPLE, PLANET, EarlyView.
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, Sofie Meeus, Sara Bárrios, Catherine Childs, Colin Clubbe, Ernestine Corbett, Sarita Francis, Alan Gray, Luke Harding, Annick Jackman, Rebecca Machin, Andrew McGovern, Mike Pienkowski, Delmaude Ryan, Chris Sealys, Catherine Wensink, Jodey Peyton   +16 more
wiley   +1 more source