RS-frames were introduced by Gehrke as relational semantics for substructural logics. They are two-sorted structures, based on RS-polarities with additional relations used to interpret modalities. We propose an intuitive, epistemic interpretation of RS-frames for modal logic, in terms of categorization systems and agents’ subjective interpretations of these systems. Categorization systems are a...

The existing empirical literature in comparative politics holds that social cleavages affect the number of candidates or parties when electoral institutions are “permissive.” However, this literature lacks a theoretical account of the strategic candidate entry and exit decisions that ultimately determine electoral coalitions under different institutions in plural societies. This paper incorpora...

This article moves the debate on the integrative mechanisms of civil society from the study of individual civic engagement and associational life to the study of interorganizational civic networks. Drawing upon evidence from Bristol and Glasgow, we identify a polycentric model of civic networks, based on horizontal solidarity and generalized reciprocity, in which organizations engage in micro r...

Political blogs as a form of social media allow for an uniquely interactive form of political discourse. This is especially evident in focused blogs with a strong ideological identity. We investigate techniques to identify topics within the context of the community, which when discussed in a blog post evoke a discernible positive or negative collective opinion from readers who respond to posts ...

Daniel Moreno is PhD candidate in Political Science at Vanderbilt University with initial training as sociologist in Bolivia. He is member of Ciudadanía, comunidad de estudios sociales y acción pública, a Bolivian NGO focused on social science research, and participates in the Latin American Public Opinion Project (LAPOP) at Vanderbilt. Earlier versions of this paper benefited from comments by ...