airbnb-data-exploration

Here we analyze data (of 2019) from AirBnB in area of Athens and we implement a Recommendation System.

autoencoder-and-classifier-of-mnist-images

Implementation of an Auto-Encoder and Classifier so as to classify images from MNIST dataset.

autoencoder-dimensionality-reduction

Autoencoder dimensionality reduction, EMD-Manhattan metrics comparison and classifier based clustering on MNIST dataset.

b-plus-tree-file

Implementation of functions, which manage files based on B+ Trees.

bidirectional-stacked-rnn-with-lstm-gru

Our goal is to develop a sentiment classifier using a bidirectional stacked RNN with LSTM/GRU cells for twitter sentiment analysis.

car-racing-v0-gymai

Apply major Reinforcement Learning algorithms (DQN,PPO,A2C) to CarRacing-v0 from GymAI environment.

classification-clustering

Practising on WordClouds,Classification and Clustering on news dataset.

compilers_assignments

Assignments in course:Compilers.

document-retrieval-and-question-answering-with-bert

Initially implement Document-Retrieval-System with SBERT embeddings and evaluate it in CORD-19 dataset. Afterwards, fine tune BERT model with SQuAD.v2 dataset so as to evaluate it in Question Answering task.

estimate-pi

Implementation of Monte Carlo's model, which trying to calculate pi's value.

feed_forward_neural_networks

Our goal is to predict tweet comment's sentiment by experimenting with two different types of vectorization (GloVe and TfIdf).

feeder-consumers

In this mini project we solve one Operating System's problem with main process be Feeder and child processes of Feeder be its Consumers.

greek-bert

A Greek edition of BERT pre-trained language model

hash-file

Implementation of functions, which manage files based on Hash Tables.

heap-file

Implementation of functions, which manage Heap Files.

insulting-comment

In this project our goal is to decide if a comment is an insult or not. (Kaggle's Contest)

interprocess-communication

In this project I experiment with interprocess communication through named pipes and general low-level I/O.

linear_regression

Implement Linear_Regression class and experiment with Batch,Mini Batch and Stohastic Gradient Descent!

lsh-hypercube-and-clustering-algorithms

Searching similar images (represented as vectors from MNIST dataset) and clustering on them.

machine-learning-greek

Assignment on course Machine-Learnig & Pattern-Recognition, with theoretical and practical tasks!

multithreaded-client-server

In this project server is gonna have multiple server threads, whose main goal is to serve client-threads.

project-management-platform

Assignment on course Software Technology!

readers-writers

In this mini project we solve one of the most popular Operating System's problems, readers-writers problem.

spyros-briakos