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Showing result 1 - 5 of 7 essays matching the above criteria.

  1. 1. Evaluating Hierarchical LDA Topic Models for Article Categorization

    University essay from Linköpings universitet/Institutionen för datavetenskap

    Author : Jennifer Lindgren; [2020]
    Keywords : topic modeling; topic models; lda; latent dirichlet allocation; hlda; hierarchical latent dirichlet allocation; constrained lda; constrained latent dirichlet allocation; news articles; categorization; machine learning; natural language processing; nlp; news recommendations;

    Abstract : With the vast amount of information available on the Internet today, helping users find relevant content has become a prioritized task in many software products that recommend news articles. One such product is Opera for Android, which has a news feed containing articles the user may be interested in. READ MORE

  3. 2. Using Work Domain Analysis to Evaluate the Design of a Data Warehouse System

    University essay from Uppsala universitet/Avdelningen för visuell information och interaktion

    Author : Axel Iveroth; [2019]
    Keywords : data warehouse; work domain analysis; cognitive work analysis; abstraction hierarchy; star schema; accumulating snapshot fact table; evaluation; issue management system; waterfall model;

    Abstract : Being able to perform good data analysis is a fundamental part of running any business or organization. One way of enabling data analysis is with a data warehouse system, a type of database that gathers and transforms data from multiple sources and structures it in the goal of simplifying analysis. READ MORE

  4. 3. A Module-Based Skill Ontology for Industrial Robots

    University essay from Lunds universitet/Institutionen för datavetenskap

    Author : Ludwig Jacobsson; [2015]
    Keywords : robot skill; ontology; modularization; industrial robots; Technology and Engineering;

    Abstract : With industrial robots ready to take the next step in mastering manufacturing tasks new approaches to reduce the programing effort are needed. This is achieved by introducing skills as robot "know-how" and using them as a higher abstraction level of robot instructions during programming. READ MORE

  5. 4. Securing Safebook : Secure Data Access Control and Key Management for Safebook

    University essay from KTH/Radio Systems Laboratory (RS Lab)

    Author : Waqas Liaqat Ali; [2013]
    Keywords : User Privacy; Access Control; Distributed Social Networks; Key Management; Användarnas Privatliv; Atkomstkontroll; Distribuerade Sociala Nätverk; Nyckelhantering;

    Abstract : Online social networks have become a fast and efficient way of sharing information and experiences. Over the past few years the trend of using social networks has drastically increased with an enormous amount of users’ private contents injected into the providers’ data centers. READ MORE

  6. 5. Using Cognitive Work Analysis to identify opportunities for enhancing human-heavy vehicle system performance

    University essay from KTH/Ergonomi

    Author : Ida Bodin; [2013]
    Keywords : Cognitive Work Analysis; Work Domain Analysis; Control Task Analysis; Truck driver environment; activity prioritization; Cognitive Work Analysis; Work Domain Analysis; Control Task Analysis; Lastbilsförarmiljö; aktivitetsprioritering;

    Abstract : In the road transportation industry development is moving towards more advanced technology and the use of automation in the driving environment is increasing. Regarding the safety risks associated with an unconsidered use of a high degree of automation, it is expensive to develop automatic systems dealing with complex situations. READ MORE