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The chapter discusses some design challenges encountered when developing a conversational pedagogical agent. By tracing the historical roots of pedagogical agents in Intelligent Tutoring Systems (ITS), we discern central developments of creating an agent that is both knowledgeable and fosters a social relationship with the learner. Some main challenges when attempting to develop a pedagogical age

Popular Abstract in Swedish Hjärtinfarkt och kärlkramp orsakas av förändringar i hjärtats kranskärl pga åderförkalkninng (ateroskleros). Fettinlagring i kärlväggen leder dels till förträngning och dels till bildning av ömtåliga plack som plötsligt kan spricka. Denna kärlväggsskada försöker kroppen reparera genom aktivering av blodets levringssystem (koagulation). Det är i denna situation inte heltThe triggering mechanism in myocardial infarction (MI) and unstable angina involves coronary thrombus formation following plaque rupture. Coagulation is initiated by tissue factor that activates factor VII (FVII), and is inhibited by protein C and its co-factor protein S. Resistance to activated protein C (APC resistance) is a common risk factor for venous thrombosis caused by a mutation in the ge

This chapter deals with the depictions of movement of violence in key narratives in Roman historiography.

Popular Abstract in Swedish Organiska miljögifter finns idag över hela världen inklusive Arktis och Antarktis. Miljögifter sprids lätt i atmosfären p.g.a. av de är flyktiga dvs övergår i gasfas. Trots att flera av dessa substanser har varit förbjudna att använda i över 20 år finns de idag kvar i naturen i höga halter. Flera av de organiska miljögifterna är svårnedbrytbara och har mycket lätt för aConcentrations of persistent organic pollutants (POPs) in aquatic biota are dependent on several factors both on individual and on system level. Bioaccumulation of POPs in pelagic biota in lakes as well as fish in streams has been shown to be dependent on nutrient regime of the system. In lakes, POP concentrations in pelagic biota decrease with increasing lake trophy. In this thesis POP bioaccumul

This dissertation studies the theme of illness in Swedish fiction from the first decade of the 21st century. The aim is to present a wide-ranging discussion about illness as a contemporary literary theme. The selection of texts has been confined to a short time-span – a decade – in order to acknowledge that themes of illness are temporally and culturally situated. Seven novels are discussed in dep

Historikerbiografi

Differential dijet cross sections in diffractive deep-inelastic scattering are measured with the H1 detector at HERA using an integrated luminosity of 51.5 pb-1. The selected events are of the type ep → eXY, where the system X contains at least two jets and is well separated in rapidity from the low mass proton dissociation system Y. The dijet data are compared with QCD predictions at next-to-lead

Abstract is not available.

Present-day demands on combustion equipment are increasing the need for improved understanding and prediction of turbulent combustion. Large Eddy Simulation (LES), in which the large-scale flow is resolved on the grid, leaving only the small-scale flow to be modeled, provides a natural framework for combustion calculations as the transient nature of the flow is resolved. In most situations, howeve

Denna bok är resultatet av ett samarbete mellan arkitekter och sociologer. Den handlar om de offentliga rummen i städernas periferi. Boken sätter periferin i centrum av två skäl. För det första sker de mest radikala omdaningarna av det befintliga stadslandskapet för närvarande i utkanten av de större städerna. Det är här de nya tillväxtföretagen etablerar sig, och det är här nya befolkningsgrupper