In this paper we examine a small arts organization – NZTrio – and its capacity to operate successfully as a cooperative, without having a designated leader. The Trio has developed highly attuned collaborative skills which enrich notions of relational leadership. We explore the history of the Trio noting the egalitarian ethos that pervades everything they undertake and the ethic of care that und...

This paper presents the first DBMS for uncertain data that incorporates data modifications and a simple versioning system. Our work is in the context of Trio, a project at Stanford for managing data uncertainty and lineage. We establish SQL-based language constructs for data modifications, and an extended data model ULDB that supports these modifications yielding versioned relations. We show th...