190,815 research outputs found
Replication Data for: Covering Blue Voices: African American English and Authenticity in Blues Covers
No full textRepository Description
This repository contains data for a quantitative analysis of blues lyrics performed by artists across time and socio-cultural groups. This analysis is a part of my PhD project on the use of African American English features as indexical expressions of authenticity in blues music. The particular study for which data is shared here examines the use of African American English (AAE) features in blues music, for which a corpus of 270 studio-performed blues songs was compiled from YouTube, consisting of six songs each by 45 artists. These artists were evenly distributed across three social groups (African American; non-African American, US-based; and non-African American, non-US-based) and three time periods (the 1960s, 1980s, and 2010s). Each artist contributed three original songs and three covers (i.e., previously recorded by other performers). Songs were selected to fit broad blues criteria, including structural, melodic, and lyrical patterns, encompassing traditional blues and contemporary blues-rock. All 270 songs were imported into MAXQDA for transcription and annotation of five phonological and three lexico-grammatical AAE features, selected based on established sociolinguistic literature. Each token where a feature could potentially occur was coded in binary fashion (realized or not), with uncertain cases left uncoded. The annotated data were exported from MAXQDA into a structured tabular format for statistical and machine learning analysis in Python. Only the raw, intermediate and processed datasets are included in this repository. The Python code used to (pre)process and analyze the data are hosted on this GitHub repository.
Article Abstract
Many musicologists and researchers of popular music have recently stressed the omnipresence of covers in today’s music industry. In the sociolinguistics of music, however, studio-recorded covers and their potential differences from ‘original’ compositions have certainly been acknowledged in passing, but very few sociolinguists concerned with the study of song seem to have systematically explored how language use may differ in such re-imagined musical outputs. This article reports on a study which examines the language use of 45 blues artists from three distinct time periods (viz., 1960s, 1980s, and 2010s) and three specific social groups (viz., African American; non-African American, US-based; and non-African American, non-US based) distributed over 270 studio-recorded original and cover performances. Through gradient boosting decision tree classification, it aims to analyze the artists’ use of eight phonological and lexico-grammatical features that are traditionally associated with African American English (viz., /aɪ/ monophthongization, post-consonantal word-final /t/ deletion, post-consonantal word-final /d/ deletion, alveolar nasal /n/ in ultimas, post-vocalic word-final /r/ deletion, copula deletion, third-person singular <s> deletion, and not-contraction). Our analysis finds song type (i.e., the distinction between covers and originals) to have no meaningful impact on artists’ use of the examined features of African American English. Instead, our analysis reveals how performers seem to rely on these features to a great extent and do so markedly consistently, regardless of factors such as time period, socio-cultural background, or song type. This paper hence builds on our previous work on the language use of blues performers by further teasing out the complex indexical and iconic relationships between features of African American English, authenticity, and the blues genre in its various manifestations of time, place, and performance types
Polytomous diagnosis of ovarian tumors as benign, borderline, primary invasive or metastatic: development and validation of standard and kernel-based risk prediction models
No full text25.03.14 KB. Ok to add published version to spiral, OA pape
Noncovalent Synthesis of Melamine-Cyanuric/Barbituric Acid Derived Nanostructures: Regio- and Stereoselection
No full textHetzelfde maar dan anders
No full textIn zijn oratie belicht Peter Timmerman het vakgebied van therapeutische vaccins, een vrij nieuwe vorm van immuuntherapie die nog in ontwikkeling is, maar mogelijk toepassing gaat vinden voor behandeling van kanker. Therapeutische vaccins activeren het immuunsysteem om antistoffen te maken tegen hormonen die overgereguleerd zijn. Deze hormonen stimuleren tumorgroei. Door ze weg te vangen met behulp van antilichamen kan de tumorgroei afgeremd worden. De werking van therapeutische vaccins lijkt sterk op die van therapeutische antilichamen, die in toenemende mate een vast onderdeel vormen van bestaande antikankertherapieën. Eiwit-mimics staan in de oratie van Timmerman centraal. Hij ontwikkelde de CLIPS-technologie. Daarmee kunnen flexibele peptides gefixeerd worden, zodat ze het eiwit waarvan ze zijn afgeleid beter nabootsen. Dit heeft kortgeleden geleid tot de ontwikkeling van een therapeutisch vaccin tegen het groeihormoon VEGF, dat massaal door tumoren wordt uitgescheiden om tumorgroei te stimuleren
Amplification of Chirality: The 'sergeants and soldiers' principle applied to dynamic hydrogen-bonded assemblies
No full textThe amplification of supramolecular chirality has been studied in dynamic chiral hydrogen-bonded assemblies 13·(CA)6 using "Sergeants and Soldiers" experiments. Previously, we have shown that chiral centers present in either the dimelamine component 1 or the cyanurate component CA quantitatively induce one handedness (M or P) in the assembly. This offers the possibility to study the amplification of chirality under two different kinetic regimes. When chiral dimelamines 1 are used, the exchange of chiral components and (M/P)-interconversion, i.e., interconversion between the (M)- and (P)-isomers of assembly 13·(CA)6, take place via identical pathways (condition A). When chiral cyanurates CA are used, the exchange of chiral components occurs much faster than (M/P)-interconversion (condition B). Experimentally, a much stronger chiral amplification is observed under condition B. For example, the observed chiral amplification for a mixture of chiral and achiral components (40:60) is 46% under condition B and 32% under condition A. Kinetic models were developed to fit the experimental data and to simulate chiral amplification in dynamic systems in general. These simulations show that it is theoretically possible that the diastereomeric excess in a dynamic system is more than 99% with less than 1% chiral component present
Hetzelfde, maar dan anders
No full textIn zijn oratie belicht Peter Timmerman het vakgebied van therapeutische vaccins, een vrij nieuwe vorm van immuuntherapie die nog in ontwikkeling is, maar mogelijk toepassing gaat vinden voor behandeling van kanker. Therapeutische vaccins activeren het immuunsysteem om antistoffen te maken tegen hormonen die overgereguleerd zijn. Deze hormonen stimuleren tumorgroei. Door ze weg te vangen met behulp van antilichamen kan de tumorgroei afgeremd worden. De werking van therapeutische vaccins lijkt sterk op die van therapeutische antilichamen, die in toenemende mate een vast onderdeel vormen van bestaande antikankertherapieën. Eiwit-mimics staan in de oratie van Timmerman centraal. Hij ontwikkelde de CLIPS-technologie. Daarmee kunnen flexibele peptides gefixeerd worden, zodat ze het eiwit waarvan ze zijn afgeleid beter nabootsen. Dit heeft kortgeleden geleid tot de ontwikkeling van een therapeutisch vaccin tegen het groeihormoon VEGF, dat massaal door tumoren wordt uitgescheiden om tumorgroei te stimuleren
Unique Characteristics and Related Project Management Challenges of Global Virtual Teams
No full textv, 82 p. This paper was completed as part of the final research component in the University of Oregon Applied Information Management Master's Degree Program [see htpp://aim.uoregon.edu].As companies continue to expand globally, virtual teams utilizing information and communication technology are formed to accomplish company goals. Success in these teams requires increased knowledge of the unique characteristics and related management challenges. Selected literature published since 1996 is examined, to produce a reference guide for project managers. Six global virtual team characteristics are identified: geographic dispersal; structural flexibility; technology-based communications; cultural diversity; high task interdependence; and lack of shared work experience
Kenneth R. Timmerman. Le lobby de la mort. Comment l'Occident a armé l'Irak
No full textDumas Marie-Lucy. Kenneth R. Timmerman. Le lobby de la mort. Comment l'Occident a armé l'Irak. In: Politique étrangère, n°1 - 1992 - 57ᵉannée. p. 184
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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