Results 51 to 60 of about 53,818 (265)
2D MOF with Intrinsic Porosity for Colorimetric Volatile Organic Compounds (VOCs) Detection
Advanced Materials, EarlyView.An uncommon 2D MOF with intrinsic in‐plane porosity that can be mechanically exfoliated undergoes a distinct and reversible colour change upon exposure to various volatile organic compounds. ABSTRACT In this work, we report an uncommon 2D metal–organic framework (MOF) with intrinsic in‐plane porosity that undergoes a distinct and reversible colour ...
Sergio R. Gamarra +4 more
wiley +1 more source
NonStop SQL, A Distributed, High-Performance, HighAvailability [PDF]
, 1987 NonStop SQL is an implementation of ANSI SQL on Tandem Computer Systems. It provides distributed data and distributed execution. It can run on small computers and has been benchmarked at over 200 transactions per second on a large system.
Implementation Of Sql
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Lead‐Free Chiral Hybrid Metal Halides for Circularly Polarized Light‐Emitting Diodes
Advanced Optical Materials, EarlyView.Lead‐free chiral hybrid metal halides provide a versatile platform for realizing chiroptical responses through chiral modulation of metal–halide frameworks with diverse dimensionalities, induces inversion‐symmetry breaking and enables dissymmetric excited‐state transitions toward efficient circularly polarized luminescence and electroluminescence. This
Kun Zhu, Li Wan
wiley +1 more source
mRAT-SQL+GAP: A Portuguese Text-to-SQL Transformer [PDF]
, 2021 The translation of natural language questions to SQL queries has attracted growing attention, in particular in connection with transformers and similar language models. A large number of techniques are geared towards the English language; in this work, we thus investigated translation to SQL when input questions are given in the Portuguese language. To
Marcelo Archanjo José +1 more
openaire +2 more sources
The Interoperability Challenge in DFT Workflows Across Implementations
Advanced Intelligent Discovery, EarlyView.Interoperability and cross‐validation remain major challenges in the computational materials science. In this work, we introduce a common input/output standard that enables internal translation across multiple workflow managers—AiiDA, PerQueue, Pipeline Pilot, and SimStack—while producing results in a unified schema.
Simon K. Steensen +13 more
wiley +1 more source
Um modelo para o gerenciamento de bancos de dados SQL através de Stored Procedures [PDF]
, 2002 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Ciência da Computação.Este trabalho apresenta uma proposta de modelo para gerenciamento de bancos de dados relacionais que utilizam a ...
Huth, Guilherme
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Деревовидні структури в SQL [PDF]
, 2022 Системи управління реляційними базами даних і сама мова SQL не мають жодних вбудованих механізмів для зберігання та управління ієрархічними структурами. Існує кілька різних способів представлення дерев в реляційних базах даних. В роботі розглянуто метод
Возняк, Микола Андрійович +2 more
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Norma Z39.50, actualidad, posibilidades. ¿Es necesario un cambio de actitud?
Revista Española de Documentación Científica, 1998 La tecnología de los sistemas basados en la norma Z39.50 ofrece numerosas posibilidades, a priori bastante prometedoras. Conectividad de sistemas, recuperación de información muy estructurada, redefinición de aplicaciones (robots de búsqueda, agentes...),
A. de la Rosa Piñero +2 more
doaj +1 more source
SQL Hacks. Tips and tools for digging into your data. [PDF]
, 2007 ...SQL Hacks reveals the secrets that database experts use to dig through their data and get the answers they need. It includes 100 hacks for sorting, sifting, shuffling, and pushing the limits of traditional SQL.
Russell, Gordon, Cumming, Andrew
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Survey of Just-in-Time Query Compilation Methods
Труды Института системного программирования РАН, 2018 Data processing systems have been traditionally optimized for I/O, mainly because, until pretty recently, disk storage has been the most affordable type of storage and the most prevalent one.
E. Y. Sharygin, R. A. Buchatskiy
doaj +1 more source