database security and relations ?

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I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

How to set the environment variable for incorporating the GD3 dispersion in G16 for performing calculations using the OPBE functional?

I have incorporated the dispersion effect for the OPBE functional by specifying the S6, SR6 and S8 parameters for GD3 in Gaussian G09 package. For this purpose, I have defined the environment...

05 August 2024 1,494 2 View

How prion can cause disease?

how is prion can cause disease

01 August 2024 250 1 View

Has anyone used Jump 2 before?

Jump 2 is the 1st app scientifically developed to measure your jump height.

31 July 2024 8,194 0 View

Help on understanding the implementation of Mori Tanaka method on MATLAB?

I am new to Micromechanics and having similar problem with understanding the implementation of the formula's. I would appreciate if anyone can guide me on how to go about getting a scalar value...

30 July 2024 969 0 View

I need a reliable source or an example supported by excel sheet to understand Fuzzy Vikor?

27 July 2024 5,916 1 View

What are the most PROBLEMS of HYBRID nanofluid in oil industry ?

explain your idea

23 July 2024 1,197 0 View

Can anybody provide me the Matlab code to plot the attached picture (Time-Frequency Domain), please?

Time-Frequency Domain

19 July 2024 8,031 2 View

"Hello, I am trying to find public datasets containing FTIR spectra of blood samples (both healthy and disease-related)?

These datasets will be used in the training of machine learning algorithms. Does anyone know any available data?"

17 July 2024 6,519 3 View

Feedback defines the constitution of an organism?

“Here is a thought experiment. Let's place Rodolpho Llinas's jarred-brain on top of a body (Fig. 1). I bet Llinas would argue that his jarred-brain retains its own consciousness, and the android...

11 August 2024 2,483 1 View

Self-Organizing Superorganisms—as envisaged by Nenad Sestan (2018)?

The rate of glucose consumption by the neocortex is reduced by over 80% during anesthesia (Sibson et al. 1998), which disables the synapses (Richards 2002) that are inundated by glial tissue (Engl...

08 August 2024 3,118 0 View

Measuring the Intelligence of a Species?

Larger brains, which typically contain more neurons, store and transfer more information (Tehovnik and Chen 2015), but the precise relationship between number of neurons and information has yet to...

05 August 2024 1,238 2 View

How can i do multivariate Time Series forecast using MLP, ANFIS and LSTM?

I need the python code to forecast what crop production will be in the next decade considering climate and crop production variables as seen in the attached.csv file.

05 August 2024 2,977 3 View

The Curse of Evolution and Complexity?

Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...

05 August 2024 6,247 3 View

Do you know any references for analyzing stochastic fiber orientaion composites ?

Hello everyone I am looking for one or some books for propertes and behaviors of stochastic fibre orientation composites. unfotunately I could not find any suitable reference for thias by...

04 August 2024 3,461 3 View

Need help with my research project on open source SIEM and machine learning?

Hello everyone, I am currently working on a research project that aims to integrate machine learning techniques into an open source SIEM tool to automate the creation of security use cases from...

04 August 2024 3,196 2 View

Swimming/space travel depends on the proprioceptive muscle spindles?

When the entire neocortex is ablated in rodents, although they are still able to swim, all the limbs move continuously and asynchronously (Vanderwolf 2006; Vanderwolf et al. 1978). Normal animals...

03 August 2024 835 3 View

What are the limitations and challenges of using machine learning for predicting concrete compressive strength in practical applications?

Machine learning (ML) has shown great potential in predicting the compressive strength of concrete, an important property for structural engineering. However, its practical application comes with...

03 August 2024 2,546 2 View

Some new emerging problems on application of RL for scheduling in IoT networks?

I have seen plenty of existing works on applied Reinforcement Learning (RL) policies for optimized scheduling in IoT networks including Q-learning, DQNs, and the newer ones including PPO for...

01 August 2024 8,754 2 View

Velibor Božić

Atzeni, De Antonelli: Relational Database Theory

Len Leonid Mizrah

Dear Awezan Ahmed,

The data below may help:

https://www.quora.com/What-is-the-best-book-website-resource-for-learning-relational-database-theory

https://www.reddit.com/r/learnprogramming/comments/kboooo/where_to_learn_relational_databases_indepth_not/

Gioacchino de Candia

There is no "perfect and safe" database.