In this paper we explore to what extent the modeling of dialog can be subsumed under the broader modeling of intelligent agents. Specifically, we analyze how four core aspects of modeling human physiology and general cognition can be applied to dialog, and attempt to determine whether dialog poses any modeling challenges that require additional methods or expressive power.

In this paper we argue that conceptual modeling is well suited to define a convincing profile for the information systems discipline. Different from empirical research, conceptual modeling should not only represent existing domains. To fully exploit the potential offered by information technology, conceptual models should also represent constructions of future reality. While such an approach is...

OBJECTIVES Awareness of and support for systems thinking and modeling in the public health field are growing, yet there are many practical challenges to implementation. We sought to identify and describe these challenges from the perspectives of practicing public health professionals. METHODS A systems-based methodology, concept mapping, was used in a study of 133 participants from 2 systems-...

Despite the evident multiphysics nature of the heart – it is an electrically controlled mechanical pump – most modeling studies considered electrophysiology and mechanics in isolation. In no small part, this is due to the formidable modeling challenges involved in building strongly coupled anatomically accurate and biophyically detailed multi-scale multi-physics models of cardiac electro-mechan...

An information-based framework is presented for spatially explicit GIS-based ecological modeling. Within this framework some of the important issues and challenges of incorporating fuzzy sets in spatially explicit population models (SEPM) are discussed. Examples of current work are used to illustrate the main issues and challenges facing the incorporation of fuzzy sets in ecological modeling. A...

Statistical topic modeling is a common tool for summarizing the themes in a document corpus. Due to the complexity of topic modeling algorithms, however, their results are not accessible to non-expert users. Recent work in interactive topic modeling looks to incorporate the user into the inference loop, for example, by allowing them to view a model then update it by specifying important words a...

Domain-specific modeling solutions have been promoted for some time in order to improve the productivity of software developers by providing them with modeling environments that are easier to learn, integrate best solutions and provide the possibility to automate software development by generating code from models. This paper presents experiences of developing a network modeling tool in Telefón...

Grutters et al show that economic assessments can inform the development of new health technologies at an early stage. This is an important contribution to health services and policy research, which implies a “shift away” from the more traditional forms of academic health economic modeling. Because transforming established disciplinary traditions is both valuable and de...

We describe the extension of high resolution finite volume methods and adaptive refinement for the shallow water equations in the context of tsunami modeling. Godunov-type methods have been used extensively for modeling the shallow water equations in many contexts, however, tsunami modeling presents some unique challenges that must be overcome. We describe some of the specific difficulties asso...