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Load-balancing methods for parallel constraint solving

Program parallelization becomes increasingly important when new parallel and multi-core architectures provide ways to improve performance. In this paper, we address parallel search in constraint programming (CP) by proposing several load-balancing methods. We show how these methods improve the execution-time scalability of constraint programs. Scalability is the greatest challenge of parallelism a

Anthropology in Aidland

Panel Presentation on ethnographic approaches to U.S. Aid, using the concept of "Aidland" as a place one studies and the ideas of Marcel Mauss looking at donors as giftgivers, explicating the discourse of "partnership" when the donors and recipients are unequal. Based on the author's work as democracy consultant in Kosovo, Albania, Bosnia, Romania.

Tracking and positioning using phase information from estimated multi-path components

High resolution radio based positioning and tracking is a key enabler for new or improved cellular services. In this work, we are aiming to track user movements with accuracy down to centimeters using standard cellular bandwidths of 20-40 MHz. The goal is achieved by using phase information from the multi-path components (MPCs) of the radio channels. First, an extended Kalman filter (EKF) is used

Quantitative genetic variation in declining plant populations

The ecological and genetic effects of habitat fragmentation are an issue of major concern in current conservation biology. Habitat fragmentation results in smaller habitat areas and as a consequence smaller and more isolated populations. Many habitats have become fragmented through human activities such as forestry and agricultural development. In Sweden, for example, the area of species-rich, sem

Semesterkultur

Regular column on theatre in the weekly newspaper Arbetaren (The Worker).