Data Processing

Data Analysis
Data
Analysis
Data Analysis
Data Processing
Data Analysis
Big
Data
Cloud Computing
Cloud Computing
Cloud Computing
Internet of Things
Cloud Computing
Information Systems

Implementation of lossless image compression / decompression algorithms

The objective of the thesis will be the study, development and configuration of algorithms for compression and decompression of image files without loss (lossless compression), with the aim of reducing the original size of the image.

Required Skills: Java/ Python


Syntactic and Semantic similarity between XML documents

The objective of the thesis will be the study of techniques for finding syntactic and semantic similarity among different text documents, in order to create an algorithm for calculating the syntactic and semantic similarity between XML documents.

Required Skills: Java/ Python


Implementation of a Hadoop-based system for Big Data Management

The objective of the thesis will be the study and development of a Hadoop-based web application following the microservices architecture, implementing the complete data path of Big Data, from data collection to data analysis, in the fields of either eHealth or environment.

Required Skills: Java/ Python, Web technologies


Techniques for collection and processing of streaming data

The objective of the thesis will be the study and comparison of various commercial and research techniques and tools for collecting and processing streaming data in the fields of IoT and eHealth. The ultimate goal will be the implementation of a microservices-based web application, which will provide a mechanism for the automatic collection and processing of streaming data generated by different types of IoT medical devices.

Required Skills: Java/ Python, Web technologies


Techniques for cleaning/quality of streaming data

The objective of the thesis will be the study and comparison of various commercial and research techniques and tools for controlling the quality of streaming data in the fields of IoT and eHealth. The ultimate goal will be the implementation of a microservices-based web application, which will provide a quality control mechanism for data produced by different types of IoT medical devices.

Required Skills: Java/ Python, Web technologies


Development of a data-driven approach to facilitate the development of personalized value adding services for business customers of a Bank

The objective of the thesis will be the creation of a Business Financial Managemen (BFM) tool that will be comprised of a Transaciton Categorizaiton, a Transaciton Monitoring, a Budget Prediciton Engine, a KPI Engine and Benchmarking Engine and will be presented in a user friendly Android applicaiton.

Required Skills: Python, ML/DL, Android


Comparative study of techniques and approaches for achieving Entity-Level Sentiment Analysis (ELSA) on Tweets.

The main goal of this thesis is to analyse and compare various approaches and methodologies that can be implemented and utilized for achieving Entity-Level Sentiment Analysis on tweets.

Required Skills: Python, Machine Learning, Deep Learning, Neural Networks


Comparative study of the utilization of Ontologies and Knowledge Graphs for achieving Semantic Interoperability on Electonic Health Records (EHRs)

The main goal of this thesis is to analyse and compare various tools and approaches from the domains of Semantic Web, such as Ontologies, RDFs, JSON-LD, in order to achieve high Semantic Interoperability and Expressivity in the healthcare domain and more specific on patiets’ Electronic Health Records (EHRs)

Required Skills: Python, Machine Learning, Semantic Web, SparkQL