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followers: 55.0 following: 36.0 repos: 22.0 gists: 0.0

Name: Alexandra Apostolopoulou

Type: User

Company: National & Kapodistrian University of Athens

Bio: Computer Science BSc Graduate

Location: Athens, Greece

Blog: https://www.linkedin.com/in/alexaapo/

Alexandra Apostolopoulou's Projects

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

bert-based-pretrained-model-using-squad-2.0-dataset

BERT based pretrained model using SQuAD 2.0 Dataset for Question-Answering

bidirectional-stacked-rnn-with-lstm-gru

Sentiment Classifier using a bidirectional stacked RNN with LSTM/GRU cells for the Twitter sentiment analysis dataset

bplus-tree-file

Here implementat some functions which manage files based on B+ Trees

car_racer_gym

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.

data-structures

Here is Project I based on Data Structures such as hash tables, linked lists, max heap and binary trees

feed-forward-neural-network

Feed Forward Neural Network for Twitter Sentiment Analysis Dataset

feeder-consumers-problem

Here is my solution to the problem of Feeder and multiple Consumers for Operating Systems

hash-file

Here I implement some functions that manage Hash Files

heap-file

Here I implement some functions that manage Heap Files

insulting-comment

Here is a project from Kaggle's Contest to decide if a comment is insult or not.

interprocess-communication

Here is Project II based on interprocess communication using system call, named pipes and low-level I/O (handling signals).

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.

ml-image-pre-processing-classification-and-regularized-non-negative-matrix-factorization

ML project based on image pre-processing, dimension reduction with PCA algorithm and classification with KNN, SVM algorithms and on creating and implementing an algorithm for Regularized non-Negative Matrix Factorization

multithreaded-client-server

Here is Project III that is related to thread programming and network communication

project-management-platform

Assignment on course Software Technology!

readers-writers-problem

Here is my solution to readers-writers problem for Operating Systems.

sbert-for-question-answering-on-covid-19-dataset

Sentence Bert for Question-Answering on COVID-19 Open Research Dataset (CORD-19)

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