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lcssalgorithm

This project enables to study the problem of finding similarity between trajectories (trajectory similarity problem) which is a known problem in the field of Data Mining. The algorithm called to deploy and solves the above problem is the LCSS(Longest Common Subsequence). Each orbit is described by a sequence geographical points (latidute, longitude). Each record dataset that we are given represents a path of a taxi that has taken place in the city of Beijing. Each line of the file contains the following separated by commas: taxi id, timestamp, latitude, longitude.

nomothesia-api-eli

places

:globe_with_meridians: Turn any <input> into an address autocomplete

process_sync

In this work we examine processes and synchronization issues interprocess communication. We have developed both programs (C and S) in the following sense. The C program in random intervals cloned. The strands C 'produce applications to the program S. These applications contain an identifier (integer 1 ... N, with random selection) referring to text files that manages to S as and the identifier of the process C '. The communication of the strands C 'to S is implemented through shared memory (incoming post, "IN"). The S program receiving a message from the incoming position cloned and "feeds" the message to the newly born strand (S '). The clone process after the message draws the contents of the indicated File (1 ... N), manufactures reply message in which loads the file content. The message is stored in shared memory (position outgoing, "OUT") for receipt by clone C 'who expect it. After On receipt of the message process C'termatizei after informing a log file for details dosolopsias (when Requested when returned, response content). Text files moving with above would have a maximum size of 80 characters (eg, files with 1 line text - string). After sending the reply message clone S 'ends.

quidditch

The aim of the project is the simulation of a Quidditch match. Quidditch is a game belonging to the magical world of Harry Potter and is played between two teams. For more information see the page: http://en.wikipedia.org/wiki/Quidditch

reconfigurable-radio-system

In recent years, the development of telecommunications has created a heterogeneous and dynamic environment where coexist different radio access technologies. At the same time, users can not keep up with these technological leaps but require as consumers to receive the highest quality service compared with the contract they have.

tweetsmap

This is a simple way of displaying tweets from users on a map. Each line of the dataset we are given, contains the following separated by commas: MESSAGEID, LATITUDE, LONGITUDE, MESSAGEDATE, EMOTION.

unix_debugger

The aim of this work is to familiarize us with system programming in Unix, namely the creation of processes and communication between them with pipelining. We are implementing a very basic debugger using ptrace system call, which will inform the user of the system calls executed by the monitored program. We are also implementing a bash script which automates the entire process of using the picodb targeted program, extracting measurements from the exit.

vm_manager

This work provides a program that translates logical and physical addresses for a room-sized virtual address 216 = 65.536 bytes (Virtual Memory Manager). The program reads from a file containing logical addresses and, using a TLB (16 seats) and a page table (1 layer), translates each logical address in its corresponding physical address and outputs the value of the byte, stored in the translated physical address. Finally it reads a file containing several integers - logical addresses. The logical addresses are organized as follows: (1) page number and 8 bits (2) offset of the page within 8 bits.