Postdoctoral Researcher at the Department of Computer Science, University of Cyprus
Hello and welcome to my personal website!
I'm a Postdoctoral Researcher at the Laboratory for Internet Computing (LInC) of the Department of Computer Science, University of Cyprus.
My research interests include Distributed and Internet Computing with particular focus on Big Data Analytics and Data Mining on the Cloud.
My PhD thesis targeted developing low-cost probabilistic and adaptive learning models for approximate monitoring in order to improve energy-efficiency and reduce both the volume and velocity of data generated and consumed by IoT services offered through the cloud.
I am currently contributing as a Senior Developer to the Unicorn H2020 EU co-funded project. Unicorn aims to simplify the design, deployment and management of secure and elastic –by design– multi-cloud services. This will be achieved by enabling continuous orchestration and automatic optimization of portable and dynamic cloud services running on virtual instances or micro-execution containers for increased security, data protection privacy and vast resource (de)-allocation.
I've also worked on other cool projects which you can take at look at here.
Qualification: PhD
Doctoral Thesis is entitledLow-Cost Approximate and Adaptive Monitoring Techniques
Thesis Advisor: Dr. George Pallis and Dr. Marios D. Dikaiakos
Qualification: MSc
Graduated top of my class
Master Thesis is entitled "Monitoring Elastically Adaptive Cloud Services"
Thesis Advisor: Dr. George Pallis and Dr. Marios D. Dikaiakos
Qualification: Dipl.-Ing. (5-year-degree, MEng equiv.)
Grade: 8/10
Diploma Thesis is entitled "Research and Development of a Web Service for Monitoring Storage Clouds", grade 10/10
Thesis Advisor: Dr. Theodora Varvarigou
check out my portfolio
Several papers are available for download. By following these links you agree to respect the copyrights of the papers.
The papers obtained from this Web page are included by the contributing authors as a means to ensure timely dissemination of scholarly and technical work on a non-commercial basis. Copyright and all rights therein are maintained by the authors or by other copyright holders, notwithstanding that they have offered their works here electronically. It is understood that all persons copying this information will adhere to the terms and constraints invoked by each author's copyright. These works may not be reposted without the explicit permission of the copyright holder.
January 2017
Unicorn aims to simplify the design, deployment and management of secure and elastic –by design– multi-cloud services. This will be achieved by enabling continuous orchestration and automatic optimization of portable and dynamic cloud services running on virtual instances or micro-execution containers for increased security, data protection privacy and vast resource (de)-allocation.
Read more →A monitoring framework that reduces data volume and battery consumption of your IoT devices. AdaM uses re-enforcement and probabilistic learning to follow the evolution of the collected monitoring stream in order to adapt the rate at which monitoring metrics are collected.
Read more →
November 2014
The vision of the PaaSport project is to resolve the application portability issues that exist in the Cloud PaaS market through a flexible and efficient deployment and migration approach. To this end, PaaSport will combine Cloud PaaS technologies with lightweight semantics in order to specify and deliver a thin, non-intrusive Cloud-broker (in the form of a Cloud PaaS Marketplace), to implement the enabling tools and technologies, and to deploy fully operational prototypes and large-scale demonstrators.
Read more →
October 2012
Auto Scaling Resources is one of the top obstacles and opportunities for cloud computing: consumers can minimize the execution time of their tasks without exceeding a given budget. Cloud providers maximise their financial gain while keeping their customers satisfied and minimizing administrative costs. Many systems claim to offer adaptive elasticity, yet the “throttling” is usually performed manually, requiring the user to figure out the proper scaling conditions. In order to harvest the benefits of elastic provisioning, it is imperative that it be performed in an automated, fully customizable manner. CELAR delivers a fully automated and highly customisable system for elastic provisioning of resources in cloud computing platforms.
Read more →
January 2014
JCatascopia is a fully automated, multi-layer, interoperable Cloud Monitoring System suitable for monitoring elastically adaptive Cloud applications. JCatascopia can be utilized to collect monitoring metrics from multiple level of the underlying Cloud infrastructure as well as performance metrics from Cloud applications and subsequently distribute them to subscribed users and platform operators. JCatascopia is enhanced with a metric subscription rule mechanism where application developers can subscribe to aggregated metrics and also compose high-level metrics from low-level metrics. Users and platform operators can monitor the performance of their applications and the underlying platform by accessing metrics through the JCatascopia RESTful API or via the JCatascopia web interface which generates for each metric real-time graphs.
Read more →
Auto Scaling Resources is one of the top obstacles and opportunities for cloud computing: consumers can minimize the execution time of their tasks without exceeding a given budget. Cloud providers maximise their financial gain while keeping their customers satisfied and minimizing administrative costs. Many systems claim to offer adaptive elasticity, yet the “throttling” is usually performed manually, requiring the user to figure out the proper scaling conditions. In order to harvest the benefits of elastic provisioning, it is imperative that it be performed in an automated, fully customizable manner. CELAR delivers a fully automated and highly customisable system for elastic provisioning of resources in cloud computing platforms.
#CELAR #elasticity #Cloud
October 2012
JCatascopia is a fully automated, multi-layer, interoperable Cloud Monitoring System suitable for monitoring elastically adaptive Cloud applications. JCatascopia can be utilized to collect monitoring metrics from multiple level of the underlying Cloud infrastructure as well as performance metrics from Cloud applications and subsequently distribute them to subscribed users and platform operators. JCatascopia is enhanced with a metric subscription rule mechanism where application developers can subscribe to aggregated metrics and also compose high-level metrics from low-level metrics. Users and platform operators can monitor the performance of their applications and the underlying platform by accessing metrics through the JCatascopia RESTful API or via the JCatascopia web interface which generates for each metric real-time graphs.
#Cloud Monitoring #JCatascopia #Elasticity
January 2014
Hello! Here, you'll understand how we projected this theme. Read all the text to know any details about Metroid vCard Template. It's a powerfull personal page to start your web life, because it's simple, fast, animated, beautiful, colorful and it brings many possibilities!
.col .c1
.col .c2-1 .first
.col .c2-1
.col .c3-1 .first
.col .c3-1
.col .c3-1
.col .c3-1 .first
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A: Yes, simply add a <section class="content"> into the <div id="page"></div> and create a tag link with the (class="menu").
See the example:
<a href="#blog" id="blog" class="menu">Blog Link</a>
<div id="page">
<section id="blog-page" class="content">
<div class="inner">
...page content
</div>
</section>
</div>
Metroid was designed to be simple to use and customize. Here's how easy it is to use it.
A: Everything that is displayed on the screen, whether text, form boxes, portfolio or progress bars, are written in a single file named "index.html". The screen changes are simulated by script calls, so our theme is considered Onepage.
A: Go to the folder "img/profile/" and replace the file "photo.jpg". We recommend that you use a square photo with 245x245 pixels.
Note : We recommend that you use the same sizes as the profile pictures and blog to keep the layout is appropriate in all resolutions (screen, tablet and mobile).
Icons | Credits: Font Awesome (http://fortawesome.github.io/Font-Awesome/)
The Metroid comes with predefined CSS files with 10 different colors in different color tones. In addition, we selected 20 patterns to choose as background.
Patterns | Credits: Subtle Patterns (http://subtlepatterns.com/)
A: Just choose the color and pattern you want and change the CSS call into index.html file on line 32. To configure the desired pattern go to the folder "img/bg/" and see the numbering pattern to set the line 54 into index.html.
See the example:
Line 32: <link rel="stylesheet" type="text/css" href="css/colors/color-name.css" id="color" />
Change to name of color.
Line 54: <body class="bg01">
Change from '01' to '20'.
A: Yes, simply access the file "custom.css", include your colors there, comment out the line 32 and uncomment line 33.
Metroid used fonts from Google Fonts. There are amazing font styles in Google Font that you can choose. So, you can choose the better font to you, and apply in your new website. We are using the font "Ubuntu" in all Metroid's pages. Enjoy and customize!
Use simple tags to create your headers, texts and lists.
Headers
<h1>Title<h1>
<h2>Title<h2>
<h3>Title<h3>
<h4>Title<h4>
<h5>Title<h5>
<h6>Title<h6>
Texts
<p>Paragraph<p>
<label>Label<label>
<span>Span<span>
<code>Code<code>
<pre>Pre<pre>
<a>Anchor<a>
Lists
<ul>
<li>item</li>
<li>item</li>
<li>item</li>
<li>item</li>
</ul>
Well, Thanks so much for purchased our items! We’re really appreciated it and hope you enjoy it! If you need support, you can leave your questions or doubts in comments area of the item. We usually get back to you within 2-12hours (except holiday seasons which might take longer).
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