Results 101 to 110 of about 49,363 (264)

Sampling-Based Query Re-Optimization

open access: yes, 2016
Despite of decades of work, query optimizers still make mistakes on "difficult" queries because of bad cardinality estimates, often due to the interaction of multiple predicates and correlations in the data.
Bruno N.   +5 more
core   +1 more source

Estimating the number and growth of tobacconists and vape stores in Queensland in the absence of a retailer licensing database

open access: yesDrug and Alcohol Review, Volume 44, Issue 4, Page 1108-1113, May 2025.
Abstract Introduction In 2022, Queensland had not implemented a tobacco retailer licensing scheme. This study aimed to develop a prototype system to periodically collect geolocations of tobacconists and/or vape retailers (TVR) in Queensland over a 12‐month period.
Hollie Bendotti   +4 more
wiley   +1 more source

Revisiting Unsupervised Learning for Defect Prediction

open access: yes, 2017
Collecting quality data from software projects can be time-consuming and expensive. Hence, some researchers explore "unsupervised" approaches to quality prediction that does not require labelled data.
Fu, Wei, Menzies, Tim
core   +1 more source

USING THE SYNERGY OF QFIELD FOR COLLECTING DATA ON-SITE AND QGIS FOR INTERACTIVE MAP CREATION BY ALKIS® DATA EXTRACTION AND IMPLEMENTATION IN POSTGRESQL FOR URBAN PLANNING PROCESSES

open access: yes, 2020
. The German law concerning Urban Development Promotion (Stadtebauforderungsgesetz; StBauFG) is an important component of the Building Law (Baugesetzbuch).
H. Ostadabbas, H. Weippert, F. Behr
semanticscholar   +1 more source

Portal para el Grupo de Usuarios PostgreSQL de Cuba

open access: yesSerie Científica de la Universidad de las Ciencias Informáticas, 2019
El desarrollo acelerado de las Tecnologías de la Información y las Comunicaciones y su incorporación definitiva a todas las esferas de la vida ha incrementado exponencialmente el volumen de datos a archivar, requiriéndose mecanismos más eficientes para ...
Yandy Ernesto Cantillo Remis   +1 more
doaj  

Enabling On-Demand Database Computing with MIT SuperCloud Database Management System

open access: yes, 2015
The MIT SuperCloud database management system allows for rapid creation and flexible execution of a variety of the latest scientific databases, including Apache Accumulo and SciDB.
Arcand, William   +13 more
core   +1 more source

3D Point Clouds in PostgreSQL/PostGIS for Applications in GIS and Geodesy

open access: yesInternational Conference on Geographical Information Systems Theory, Applications and Management, 2019
Besides the common approach of an exclusively file based management of 3D point clouds, meanwhile it is possible to store and process this special type of massive geodata within spatial database systems.
T. Meyer, A. Brunn
semanticscholar   +1 more source

ЄДИНА ЦИФРОВА ІНФРАСТРУКТУРА СУЧАСНОЇ НАУКОВОЇ БІБЛІОТЕКИ НА ОСНОВІ WEB-ТЕХНОЛОГІЙ

open access: yesNauka ta progres transportu, 2019
Мета. Цифровізація, розширення інформаційного середовища наукової бібліотеки та його інтеграція в глобальний цифровий простір потребують створення повноцінної багатофункціональної Web-орієнтованої екосистеми. Робота спрямована на дослідження раціональних
І. А. Kliushnyk   +2 more
doaj   +1 more source

Heterogeneous biomedical database integration using a hybrid strategy: a p53 cancer research database. [PDF]

open access: yes, 2006
Complex problems in life science research give rise to multidisciplinary collaboration, and hence, to the need for heterogeneous database integration. The tumor suppressor p53 is mutated in close to 50% of human cancers, and a small drug-like molecule ...
Bichutskiy, Vadim Y   +3 more
core  

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