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[Context] Accurate time estimation is a critical aspect of predictable software engineering. Previous work shows that low source code quality increases the uncertainty in issue resolution times. [Objective] Our goal is to evaluate how developers' project experience and file ownership are related to issue resolution times. [Method] We mine 40 proprietary software repositories and conduct an observa
CC-GLPDC codes are a class of generalized low-density parity-check (GLDPC) codes where the constraint nodes (CNs) represent convolutional codes. This allows for efficient decoding in the trellis with the forward-backward algorithm, and the strength of the component codes easily can be controlled by the encoder memory without changing the graph structure. In this letter, we extend the class of CC-G
Wireless charging of smartphones using inductive wireless power transfer (IWPT) has become very popular. However, the efficiency of IWPT systems can decrease substantially when the transmitting and receiving coils are not closely coupled. One popular approach to mitigate the efficiency degradation is to utilize higher frequency. However, the higher efficiency is only achieved at a specific range o
Maritime communication is one of the 5G vertical domains and is attracting more attention. Advanced channel models that accurately characterize the wideband maritime propagation channels are essential for the development of modern maritime communication technologies. To this end, we measured the propagation channel at 5.6GHz with a sailing boat, capturing the channel with a bandwidth of 250MHz, bo
Context: Open tools (e.g., Jenkins, Gerrit and Git) offer a lucrative alternative to commercial tools. Many companies and developers from OSS communities make a collaborative effort to improve the tools. Prior to this study, we developed an empirically based theory for companies’ strategic choices on the development of these tools, based on empirical observations in the telecom domain. Aim: The ai
In this paper we present some experiments on the MySQL database server. The objective of the experiments was to investigate the high load dynamics for varying relation sizes and requests. We show that the dynamics for SELECT (read) requests can be modeled as a modified M/M/1 system, whereas, the dynamics for UPDATE (write) are completely different. Our results can be used for designing control and
Definition and reuse of robot instructions is still an art that requires extensive engineering, not only of the infrastructure but also of the adaptation of robot capabilities to the context and domain at hand. Technical approaches are numerous, but the lack of practical success is an indication of hidden difficulties, which we have experienced as complications over the last two decades. Based on
An important part of responsible business practices is compliance with the law. This article details what actually happens when the laws of the host country fail to ensure adequate protection. The focus here is on land dispossession and loss of livelihood in relation to a gold mine project in central Ghana. How is it that a well-known international company—Newmont—with its own corporate social res
Source code analysis is ubiquitous in the development of software tools, for example in compilers to detect compile-time errors and possible optimizations, inIDEs to provide interactive coding assistance, and in stand-alone analysis tools todetect bugs. There are several techniques that have been developed to help theanalysis developer, including one called Reference Attribute Grammars (RAGs).With
Cellular-based localization and sensing pave the way for a variety ofapplications across various domains, ranging from autonomous driv-ing to emergency care and intelligent traffic management. Althoughtraditional methods have been effective, they still face challenges such as therequirement for highly accurate models and the inherent complexity of thealgorithms. This thesis explores the potential
In this paper, we describe a coreference solver based on the extensive use of lexical features and features extracted from dependency graphs of the sentences. The solver uses Soon et al. (2001)'s classical resolution algorithm based on a pairwise classification of the mentions. We applied this solver to the closed track of the CoNLL 2011 shared task (Pradhan et al., 2011). We carried out a system
The cerebellar system for the voluntary control of arm-hand movements involves a large number of different neuron types. These neurons are located both inside the cerebellum but also in extracerebellar brain structures, which provide processed motor and sensory information to the cerebellum. The various different neuron types have different morphology, receive different types, number and patterns
Syfte: Syftet med studien är att med en enkätundersökning kartlägga dagliga aktivitetsmönster, välbefinnande samt olika motivationsfaktorer hos arbetssökande unga vuxna i åldern 18–25 år. Syftet är också att kartlägga vilket stöd målgruppen upplever sig ha och vilket värde ett arbete skulle ha för målgruppen. Metod: Deltagarna som medverkade var enligt exklusionskriterierna: Sjukskrivna, ej aktivtPurpose: The purpose of the study is using a survey to map daily occupational patterns, well-being, and how different motivational factors are perceived and experienced in the target group able-bodied young adults age 18–25. The purpose is also to map the support the target group have, and what values a job would have for the target group. Method The participants where picked with the exclusion cr
Food is a fundamental human need – a physical requirement for survival. At the current historical juncture, the global food system is entangled in a web of neoliberal capitalist exchange relations and suffers from heavy dependence on fossil energy inputs. Today’s agro-industrial complex, which has evolved jointly with fossil capitalism and is organized according to its principles, is firmly entren
