Essays about: "database systems"

Showing result 1 - 5 of 348 essays containing the words database systems.

  1. 1. Ground Based Attitude Determination Using a SWIR Star Tracker

    University essay from Linköpings universitet/Reglerteknik

    Author : Karl Gudmundson; [2019]
    Keywords : Star Tracking; Celestial Navigation; Navigation Systems; Attitude; Orientation; SWIR; MEKF;

    Abstract : This work investigates the possibility of obtaining attitude estimates by capturing images of stars using a SWIR camera. Today, many autonomous systems rely on the measurements from a GPS to obtain accurate position and attitude estimates. READ MORE

  2. 2. Improving the Chatbot Experience : With a Content-based Recommender System

    University essay from Mittuniversitetet/Institutionen för informationssystem och –teknologi

    Author : Angelica Gardner; [2019]
    Keywords : Chatbot; Recommender system; Web crawling; Bag-of-words; Graph database; GraphQL;

    Abstract : Chatbots are computer programs with the capability to lead a conversation with a human user. When a chatbot is unable to match a user’s utterance to any predefined answer, it will use a fallback intent; a generic response that does not contribute to the conversation in any meaningful way. READ MORE

  3. 3. Representing attacks in a cyber range

    University essay from Linköpings universitet/Programvara och system

    Author : Niklas Hätty; [2019]
    Keywords : it-security; cyber range; information security; penetration testing; SVED; CRATE; cyber range; it-säkerhet; informationssäkerherhet; penetrationstestning; SVED; CRATE;

    Abstract : Trained security experts can be a mitigating factor to sophisticated cyberattacks that aim to violate the confidentiality, integrity, and availability of information. Reproducible sessions in a safe training environment is an effective way of increasing the excellence of security experts. READ MORE

  4. 4. Benchmarking Framework for Transparent Data Encryption Systems

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik; Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Feidias Moulianitakis; Konstantinos Asimakopoulos; [2019]
    Keywords : Transparent Data Encryption; benchmarking framework; encryption performance; Design Research; Cryptography;

    Abstract : In the digital world of today, information is always at risk regardless of its state, at rest or in transit. Cryptography is the technology that promises to address the security issues that emerge. Hence, it was a reasonable consequence to introduce cryptography to databases. READ MORE

  5. 5. A method to evaluate database management systems for Big Data : focus on spatial data

    University essay from Luleå tekniska universitet/Datavetenskap

    Author : Saleh Kanani; [2019]
    Keywords : Big Data; spatial database; DBMS; GIS; selection method;

    Abstract : Big data of type spatial is growing exponentially with the highest rate due to extensive growth in usage of sensors, IoT and mobile devices’ spatial data generation, therefore maintaining, processing and using such data efficiently, effectively with high performance has become one of the top priorities for Database management system providers, hence spatial database features and datatypes have become serious criteria in evaluating database management systems that are supposed to work as the back-end for spatial applications and services. With exponential growth of data and introducing of new types of data, “Big Data” has become strongly focused area that has gained the attention of different sectors e. READ MORE