Sökning: "Information Cascade"

Visar resultat 1 - 5 av 89 avhandlingar innehållade orden Information Cascade.

  1. 1. Duplicate systems : investigating unintended consequences of information technology in organizations

    Författare :Henrik Wimelius; Jonny Holmström; Lars Mathiassen; Jan Damsgaard; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; IS and organization; adoption of IT; assimilation of IT; change; dialectics; paradox; duplicate systems; contradiction; unintended consequences; information systems; Informatics; Informatik;

    Sammanfattning : The organizational consequences of information technology (IT) constitutes a core focus in information systems (IS) research. The relationship between organizations and IT has received considerable attention by IS researchers in order to develop knowledge related to how and why organizations and IT are related. LÄS MER

  3. 2. GaN HEMT Low Noise Amplifiers for Radio Base Station Receivers

    Författare :Pirooz Chehrenegar; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; gallium nitride GaN ; radio base station receiver; cascode; high linearity; robustness.; cascade; high electron mobility transistor HEMT ; low noise; low noise amplifier;

    Sammanfattning : Gallium nitride (GaN) high electron mobility transistor (HEMT) has been introduced as the technology of choice for high power microwave applications due to its material properties including high saturation electron velocity and breakdown field together with excellent thermal conductivity and robustness.It is also a promising candidate for receiver front-ends in the radio base station(RBS) where low noise figure and high linearity are key issues for low noiseamplifier (LNA) design. LÄS MER

  4. 3. Human Interactions on Online Social Media : Collecting and Analyzing Social Interaction Networks

    Författare :Fredrik Erlandsson; Johnson Henric; Martin Boldt; Piotr Bródka; S. Felix Wu; Sune Lehmann; Blekinge Tekniska Högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Social Media; Social Networks; Crawling; Complex Networks; Information Cascade; Seed Selection; Privacy;

    Sammanfattning : Online social media, such as Facebook, Twitter, and LinkedIn, provides users with services that enable them to interact both globally and instantly. The nature of social media interactions follows a constantly growing pattern that requires selection mechanisms to find and analyze interesting data. LÄS MER

  5. 4. On motion planning and control for truck and trailer systems

    Författare :Oskar Ljungqvist; Daniel Axehill; Johan Löfberg; Jonas Mårtensson; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : During the last decades, improved sensor and hardware technologies as well as new methods and algorithms have made self-driving vehicles a realistic possibility in the near future. Thanks to this technology enhancement, many leading automotive and technology companies have turned their attention towards developing advanced driver assistance systems (ADAS) and self-driving vehicles. LÄS MER

  7. 5. Elements of AlGaN-Based Light Emitters

    Författare :Martin Stattin; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; graphene; vertical cavity surface emitting laser; deep-ultraviolet; III-nitride; near-infrared; light emitting diode; visible; AlGaN; quantum cascade laser;

    Sammanfattning : The III-nitrides have enabled a range of optoelectronic devices and associated applications of great industrial and societal importance. However, the full potential of the III-nitrides remains to be explored. LÄS MER