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This thesis deals with techniques for raising the programming level for a particular kind of computations, namely those on abstract syntax trees. Such computations are central in many program analysis tools, such as compilers, smart language-sensitive editors, and static analysis tools. All techniques presented in this thesis support modular description and efficiency and are capable of handling l
In the first chapter we test if Purchasing Power Parity, PPP, is empirically valid and when that is not the case we test if productivity growth differences can account for the deviations from PPP by co-integration analysis. Interestingly, the results lend support in favour of PPP in several cases and when PPP is rejected GDP per capita growth rate differences seem to explain the long-run deviation
Most of the world's energy generation is based on fossil fuels such as coal and oil, which already today but even more in the future, will cause various problems. One issue is their limited availability, which stands in conflict to the increasing global energy consumption. Another problem is the carbon dioxide generation caused by burning fossil fuels for energy production, and is thought to be on
Structure-function studies are frequently practiced on the very diverse group of natural carbohydrate-binding modules in order to understand the target recognition of these proteins. We have taken a step further in the study of carbohydrate-binding modules and created variants with novel binding properties by molecular engineering of one such molecule of known 3D-structure. A combinatorial library
Purpose To test the value of serum CA-125 measurements alone or as part of a multimodal strategy to distinguish between malignant and benign ovarian tumors before surgery based on a large prospective multicenter study (International Ovarian Tumor Analysis). Patients and Methods Patients with at least one persistent ovarian mass preoperatively underwent transvaginal ultrasonography using gray scale
This thesis describes analysis of data from the DELPHI Very Small Angle Tagger (VSAT) calorimeter at LEP1. The VSAT consists of four Silicon-Tungsten calorimeter modules symmetrically positioned 7.7 meters away from the interaction point. It measures elastically scattered electrons and positrons, Bhabha events, within the polar angular region between 5-12 mrad. Trigger efficiency and reconstructio
The current study compares controlled acceptability judgments for Swedish relative clause extractions to extractions from that-clauses and extractions from non-restrictive relative clauses. It also compares each structure in both extracted and non-extracted form. The reported possibility of relative clause extraction in Swedish (and the other Mainland Scandinavian languages) has long presented a c
Colonization and migration have a crucial effect on patterns of biodiversity, with disease predicted to play an important role in these processes. However, evidence of the effect of pathogens on broad patterns of colonization and migration is limited. Here, using phylogenetic analyses of 1,311 species of Afro-Palaearctic songbirds, we show that colonization events from regions of high (sub-Saharan
Background: The dual antiplatelet therapy (DAPT) score guides decisions on DAPT duration after coronary stenting by simultaneously predicting ischemic and bleeding risk. Objectives: This study sought to assess the performance of the DAPT score in a nationwide real-world population. Methods: The study used register data in Sweden (2006 to 2014) and followed 41,101 patients who had undergone 12 mont
This article is a basically a compare and contrast study regarding two different lines of development with regard to the film and television production which has taken place in Europe during the last three decades. On the one hand it examines and evaluates the phenomenon that is the rampant rise of runaway production of international film and television and which has predominantly occurred in East
The sex-dependent effect of environmental conditions on nestlings has been extensively studied in size dimorphic birds. Whether males or females are more sensitive to poor conditions is not yet clear; however, the degree of sexual size-dimorphism, brood size and their interactions seem to influence the pattern. Much less is known about sex-dependent environmental sensitivity in size-monomorphic sp
Popular Abstract in Swedish Akut bukspottkörtelinflammation är en sjukdom som drabbar ungefär 35 per 100 000 invånare i Sverige årligen. Förloppet innebär i flertalet fall ett komplikationsfritt tillfrisknande. Cirka 20% drabbas dock av en allvarlig form som kräver stora sjukvårdsresurser och innebär avsevärd sjuklighet, inkluderande risk för vävnadsdöd i bukspottkörteln, lokala och spridda infektAcute pancreatitis, with an annual incidence of approximately 35 per 100 000 inhabitants in Sweden, is in most cases mild and self-limiting. Severe acute pancreatitis, affecting 10-15% of the cases is, however, associated with severe complications and even death. The optimal management of acute pancreatitis includes accurate early prediction of the disease severity. The aims of this thesis were to
In the coming years, it is anticipated that if we continue with the same pace of energy consumption, communities will continue to face three major challenges; a mounting increase in energy demands, pollution, and global warming. On a local scale, Egypt is experiencing one of its most serious energy crises in decades. The energy consumed in indoor cooling and heating is the biggest portion of total
The aim of this work is to aid the development of online handwriting recognition software by using a linguistic approach to the problem of categorizing handwriting styles. This is done by exploring the wide variety of styles among users of the Latin alphabet, trying to explain the variety and finding ways of categorizing the styles. The variety is due to the many variables open to the writer and t
Abstract This is a study of present day dogs with the purpose to establish a method to investigate archaeological dogs and determine their use in the past. The study has focused on measurements of five bone elements, scapula, humerus, radius, ulna and femur. A principal component analysis has been applied in order to decide which measurements to be further used in the analysis. Different proporti
To the Maritime lawyer, international ship arrest provides both an interesting and challenging topic. This field of law is so dynamic because a particular vessel trades worldwide and spends much of its time in international waters. The importance of this area of law could be seen from the attention it has received from the international shipping community, this is also evident from the enormous ef
OBJECTIVE: To examine plasma levels of calcitonin gene related peptide (p-CGRP) in patients with systemic sclerosis (SSc) and pulmonary hypertension (PH). MATERIAL AND METHODS: Twenty nine patients with SSc, 10 with diffuse form, 18 with limited form and one with overlapping systemic lupus erythematosus were examined. Twelve patients displayed normal systolic pulmonary artery pressure (PAPsyst) <
Currently available research suggests that negative pressure wound therapy (NPWT) creates a moist wound healing environment, drains exudate, reduces tissue edema, contracts the wound edges, mechanically stimulates the wound bed, and influences blood perfusion at the wound edge, which may lead to angiogenesis and the formation of granulation tissue. Although no clear evidence is available that NPWT
