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Displaying Results 1 - 25 of 4716 on page 1 of 189
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'At the heart of society burns the fire of social movements': What would a Marxist theory of social movements look like?
(2005)
Cox, Laurence; Gunvald Nilsen, Alf
'At the heart of society burns the fire of social movements': What would a Marxist theory of social movements look like?
(2005)
Cox, Laurence; Gunvald Nilsen, Alf
Abstract:
Social movement activists have their own theories of social movements, whose goals and structure often diverge radically from those of academic social movement studies. This paper explores the example of Marxism, as a theory developed outside the academy, primarily on the basis of the experience of the nineteenth-century workers' movement in Europe. If society consists of socially organised human practice, then social movements contend to direct this 'historicity', in Touraine's words: they are struggles over how society creates itself. This paper attempts to do two things. Firstly, it offers a rough-and-ready typology of how grassroots activists experience their opponents in 'social movements from above', the ways in which dominant social groups attempt to maintain or extend ways of organising human practice that sustain their power. We explore defensive and offensive movements from above, the political choices and alliances involved, and the ways in w...
http://eprints.nuim.ie/460/
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'Be Mission Centred, Market Smart and Politically Savvy': Challenges for Higher Education
(2008)
Hazelkorn, Ellen
'Be Mission Centred, Market Smart and Politically Savvy': Challenges for Higher Education
(2008)
Hazelkorn, Ellen
http://arrow.dit.ie/cseroth/14
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'Letting go of control' to embrace open source : implications for company and community
(2010)
Shaikh, Maha; Cornford, Tony
'Letting go of control' to embrace open source : implications for company and community
(2010)
Shaikh, Maha; Cornford, Tony
Abstract:
It is increasingly understood across the information technology and services sector that engagement with the open source software model can serve as a means for firms to capture intellectual energy, learn about productive software processes, access relevant technical skills, identify and recruit staff, as well as obtain valuable resources including code. This paper reports a study undertaken within two large global IT companies that have been actively involved with open source for more than ten years. The study involved over 30 semi-structured interviews with employees of the companies drawn from top, middle, and lower level management, and included active and experienced developer as well as open source community members. Our findings indicate how these companies have adapted their day-to-day management practices to take into account the need for flexibility and freedom expected by open source communities. This paper focuses on how they ‘let go of control’ and what the implication...
http://hdl.handle.net/10344/713
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'Loosely-coupled' consistency between agent-oriented conceptual models and Z specifications
(2005)
Krishna, Aneesh; Ghose, Aditya K.; Vilkomir, Sergiy A.
'Loosely-coupled' consistency between agent-oriented conceptual models and Z specifications
(2005)
Krishna, Aneesh; Ghose, Aditya K.; Vilkomir, Sergiy A.
Abstract:
Agent-oriented conceptual modelling (AOCM) is a relatively new technique that offers significant benefits in the modelling and development of complex computer systems. It is highly effective in answering questions such that what are the main goals of the system, how key actors depend on each other, and what alternatives exist. A formal method can benefit any stage of the software development lifecycle and improves the quality of the computer systems. The paper defines an approach that allows to complement requirements modelling notations with formal specifications, while preserving the consistency between them.
http://hdl.handle.net/10344/155
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'My sweat my health': Real time sweat analysis using wearable micro-fluidic devices
(2011)
Curto, Vincenzo F.; Angelov, N.; Coyle, S.; Byrne, R.; Hughes, S.; Moyna, Niall; Diamon...
'My sweat my health': Real time sweat analysis using wearable micro-fluidic devices
(2011)
Curto, Vincenzo F.; Angelov, N.; Coyle, S.; Byrne, R.; Hughes, S.; Moyna, Niall; Diamond, Dermot; Benito-Lopez, Fernando
Abstract:
In this work a robust, non-invasive and wearable micro-fluidic system was developed and employed to analyse pH of sweat in real time during exercise. The device is incorporated in an optical detection platform designed to provide real-time information on sweat composition. The device has been tested by monitoring the pH of sweat during 55 minutes of cycling activity. During these trials, the data obtained by the micro-fluidic system was compared to pH measurements obtained in parallel studies with a conventional electrochemical sensor.
http://doras.dcu.ie/16371/
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'The Bourgeoisie, Historically, Has Played a Most Revolutionary Part': Understanding Social Movements From above
(2006)
Cox, Laurence; Gunvald Nilsen, Alf
'The Bourgeoisie, Historically, Has Played a Most Revolutionary Part': Understanding Social Movements From above
(2006)
Cox, Laurence; Gunvald Nilsen, Alf
Abstract:
'From castles and palaces and churches to prisons and workhouses and schools; from weapons of war to a controlled press', Raymond Williams writes, 'any ruling class, in variable ways though always materially, produces a social and political order'. This productive activity constitutes the essence of what can be referred to as social movements from above. This paper explores social movements from above as the organization of multiple forms of skilled activity around a rationality expressed and organized by dominant social groups, which aims at the maintenance or modification of a dominant structure of entrenched needs and capacities in ways that reproduce and/or extend the power of those groups and its hegemonic position within a given social formation. Starting from a theoretical conception of social structure as the sediment of struggle between social movements from above and those from below, the paper discusses the relevance of a conception of social movemen...
http://eprints.nuim.ie/458/
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‘Experimentation in contact with the real’: networking with Deleuze & Guattari
(2011)
Kamp, Annelies
‘Experimentation in contact with the real’: networking with Deleuze & Guattari
(2011)
Kamp, Annelies
Abstract:
This paper draws on data from an longitudinal case study of a Local Learning and Employment Network (LLEN) instituted by a state government in Victoria in the arena of post compulsory education and training to explore the possibilities of a new approach to thinking about networks, their formation and operation, one that is inspired by ‘A Thousand Plateaus’ (Deleuze & Guattari, 1987). Using a rhizomatic approach my focus is on the middle — the plateau — a space that is made of lines moving in multiple directions. Looking at the middle disrupts taken-for-granted understandings and perceptions of linearity; it is in considering middles and plateaus that it is possible to move beyond a concern with joining-up ‘fixed’ entities within existing, and constrained, ways of knowing and, in the process, finding new ways of understanding and realizing the potential of a phenomenon that is ‘fast becoming a standard explanation of structure and action in both the public and private domain’(...
http://doras.dcu.ie/16701/
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‘The teacher is here to ask for your help’: A story of schools, employers and networks.
(2005)
Kamp, Annelies
‘The teacher is here to ask for your help’: A story of schools, employers and networks.
(2005)
Kamp, Annelies
Abstract:
This paper explores the development of the Jobs4Kids (J4K) campaign, a joint initiative of the SGR LLEN Employer Reference Group and the Beacon Foundation. Involving a three-year business plan, the J4K campaign aims to broker young people into employment in local jobs in the region. The campaign is the result of the intersection between an evolving project within the LLEN and the growth of an established program of the Beacon Foundation. The paper will use a Deleuzian lens to explore the ground shifts that have occurred in the process of forming this connection; I am concerned with the intersecting movements of different orders that have created a necessary transitory coordination. Within such a ‘rhizome’ there are only lines: dimensional lines of segmentarity and stratification and lines of flight as ‘the maximum dimension after which the multiplicity undergoes metamorphosis, changes in nature’ (Deleuze & Guattari 1987 p.21). My perspective of this metamorphosis is specif...
http://doras.dcu.ie/16253/
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"Calling passengers" - an ethical problem in the design of self-service websites amongst low-cost airlines in Ireland.
(2007)
Barry, Chris; Torres, Ann M.
"Calling passengers" - an ethical problem in the design of self-service websites amongst low-cost airlines in Ireland.
(2007)
Barry, Chris; Torres, Ann M.
Abstract:
Ethics on the Internet has been a widely debated topic in recent years covering issues that range from privacy to security to fraud. Little, however, has been written on more subtle ethical questions such as the exploitation of Web technologies to inhibit or avoid customer service. Increasingly, it would appear, some firms are using Websites to create distance between them and their customer base in specific areas of their operations, while simultaneously developing excellence in sales transaction completion via self-service. This paper takes a magnifying glass with an ethical lens to just one sector ¿ the low-cost, Web-based selfservice airline industry, specifically in Ireland. The paper notes the teaching of information systems development (ISD) and, for the most part, its practice assumes ethicality. Similarly, marketing courses focus on satisfying customer needs more effectively and efficiently within the confines of an acceptable ethos. This paper observes that while these bus...
http://hdl.handle.net/10379/1380
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"cba to check the spelling" investigating parser performance on discussion forum posts
(2010)
Foster, Jennifer
"cba to check the spelling" investigating parser performance on discussion forum posts
(2010)
Foster, Jennifer
Abstract:
We evaluate the Berkeley parser on text from an online discussion forum. We evaluate the parser output with and without gold tokens and spellings (using Sparseval and Parseval), and we compile a list of problematic phenomena for this domain. The Parseval f-score for a small development set is 77.56. This increases to 80.27 when we apply a set of simple transformations to the input sentences and to the Wall Street Journal (WSJ) training sections.
http://doras.dcu.ie/15984/
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"I’m Eating a Sandwich in Glasgow": Modeling locations with tweets
(2011)
Kinsella, Sheila; Murdock, Vanessa; OHare, Neil
"I’m Eating a Sandwich in Glasgow": Modeling locations with tweets
(2011)
Kinsella, Sheila; Murdock, Vanessa; OHare, Neil
Abstract:
Social media such as Twitter generate large quantities of data about what a person is thinking and doing in a partic- ular location. We leverage this data to build models of locations to improve our understanding of a user’s geographic context. Understanding the user’s geographic context can in turn enable a variety of services that allow us to present information, recommend businesses and services, and place advertisements that are relevant at a hyper-local level. In this paper we create language models of locations using coordinates extracted from geotagged Twitter data. We model locations at varying levels of granularity, from the zip code to the country level. We measure the accuracy of these models by the degree to which we can predict the location of an individual tweet, and further by the accuracy with which we can predict the location of a user. We find that we can meet the performance of the industry standard tool for pre- dicting both the tweet and the user at the country,...
http://doras.dcu.ie/16754/
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"Privacy-shake", a haptic interface for managing privacy settings in mobile location sharing applications
(2010)
Jedrzejczyk, Lukasz; Price, Blaine A.; Bandara, Arosha K.; Nuseibeh, Bashar
"Privacy-shake", a haptic interface for managing privacy settings in mobile location sharing applications
(2010)
Jedrzejczyk, Lukasz; Price, Blaine A.; Bandara, Arosha K.; Nuseibeh, Bashar
Abstract:
We describe the “Privacy-Shake”, a novel interface for managing coarse grained privacy settings. We built a prototype that enables users of Buddy Tracker, an example location sharing application, to change their privacy preferences by shaking their phone. Users can enable or disable location sharing and change the level of granularity of disclosed location by shaking and sweeping their phone. In this poster we present and motivate our work on Privacy-Shake and report on a lab-based evaluation of the interface with 16 participants.
http://hdl.handle.net/10344/763
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"What have the Romans ever done for us?" Academic and activist forms of movement theorizing
(2002)
Barker, Colin; Cox, Laurence
"What have the Romans ever done for us?" Academic and activist forms of movement theorizing
(2002)
Barker, Colin; Cox, Laurence
Abstract:
We want to pose some questions about the relationship between social movements and 'social movement theories'. The questions reflect the sense of unease experienced by some 'academic intellectuals' who are also activists in movements, and the scepticism sometimes expressed by activists about the value of 'social movement theory.' Both of us having a foot in each camp, we share the unease.
http://eprints.nuim.ie/428/
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“Lessons learnt in developing a SDR Platform with USB interface”
(2008)
Sanchez Mora , Magdalena; Corley, Gerry; Farrell, Ronan
“Lessons learnt in developing a SDR Platform with USB interface”
(2008)
Sanchez Mora , Magdalena; Corley, Gerry; Farrell, Ronan
Abstract:
Building a new Software Defined Radio (SDR) system requires multidisciplinary research covering the engineering disciplines of communication systems, radio frequency, digital and analog hardware, software and digital signal processing. This paper focuses on the efforts at the low-level software development, such as device drivers, embedded source code at firmware-space and Application- Programming Interfaces (APIs) at user-space. In the early stages of constructing a SDR platform, design decisions are made regarding the interface between the SDR hardware and the PC. These decisions are of great importance and will determine the complexity of the low-level software development, its interoperability with third-party tools for waveform development and its efficiency in terms of bandwidth and configurability. This position paper reviews the experiences in using a USB interface between the PC and the SDR platform and the corresponding impact in the software development stage.
http://eprints.nuim.ie/1407/
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“My Sweat my Health”: Real time sweat analysis with wearable micro-fluidic devices
(2011)
Benito-Lopez, Fernando; Curto, Vincenzo F.; Coyle, Shirley; Byrne, Robert; Diamond, Dermot
“My Sweat my Health”: Real time sweat analysis with wearable micro-fluidic devices
(2011)
Benito-Lopez, Fernando; Curto, Vincenzo F.; Coyle, Shirley; Byrne, Robert; Diamond, Dermot
http://doras.dcu.ie/16268/
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(Still) Up to no Good: Reconfiguring the boundaries of worker resistance and misbehaviour in an increasingly non-union world
(2010)
Dundon, Tony; Vanden Broek, Diane
(Still) Up to no Good: Reconfiguring the boundaries of worker resistance and misbehaviour in an increasingly non-union world
(2010)
Dundon, Tony; Vanden Broek, Diane
Abstract:
There has been significant development in the way industrial conflict and worker resistance has been analysed over the past fifteen years. While researchers have observed the quantitative decline of traditional forms of employee resistance, others have highlighted the diversity and range of more informal employee behaviours. As indicated below, there have been a range reasons for both the decline in formal resistance and in approaches to how resistance is viewed. However, a common tendency has been to overlook the role of institutional and industrial context. The following research into unorganised workers identifies the importance of institutional factors in reassessing assumed boundaries between formal (and often collective) indicators of conflict, and more informal instances of workplace misbehaviour.
http://hdl.handle.net/10379/2089
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(Web Search) shared : social aspects of a collaborative, community-based search network
(2008)
Coyle, Maurice; Smyth, Barry
(Web Search) shared : social aspects of a collaborative, community-based search network
(2008)
Coyle, Maurice; Smyth, Barry
Abstract:
Collaborative Web search (CWS) is a community-based approach to Web search that supports the sharing of past result selections among a group of related searchers so as to personalize result-lists to reflect the preferences of the community as a whole. In this paper, we present the results of a recent live-user trial which demonstrates how CWS elicits high levels of participation and how the search activities of a community of related users form a type of social search network.
http://hdl.handle.net/10197/1135
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1 Gbit/s Radio Over Fiber Downlink at a 32 GHz Carrier
(2008)
Junker, Marcus; Schneider, Thomas; Lauterbach, Kai-Uwe; Henker, Ronny; Ammann, Max; Sch...
1 Gbit/s Radio Over Fiber Downlink at a 32 GHz Carrier
(2008)
Junker, Marcus; Schneider, Thomas; Lauterbach, Kai-Uwe; Henker, Ronny; Ammann, Max; Schwarzbacher, Andreas
Abstract:
<p>The carrier frequency of the presented radio over fiber downlink at 32 GHz is generated by stimulated Brillouin scattering and an error free 1 Gbit/s data transmission is realized.</p>
http://arrow.dit.ie/engschececon/34
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10Gbit/s modulation of a fast switching slotted Fabry-Pérot tunable laser
(2007)
Smyth, Frank; O'Dowd, John; Kilper, D.C.; Simsarian, J.E.; Barry, Liam P.; Roycrof...
10Gbit/s modulation of a fast switching slotted Fabry-Pérot tunable laser
(2007)
Smyth, Frank; O'Dowd, John; Kilper, D.C.; Simsarian, J.E.; Barry, Liam P.; Roycroft, Brendan; Corbett, Brian
Abstract:
The device used is a three-section, 3mum wide ridge waveguide laser based on commercially available material. During the fabrication a series of slots are introduced into the front and back sections, which act as sites of internal reflections. The slots are etched to a depth that just penetrates the top of the upper waveguide resulting in an internal reflectance of-1% at each slot. The front, middle, and back sections are 180, 690 and 170 microns long respectively. In this work the back and middle sections are tied together electrically allowing simpler control of the device. By varying the applied DC currents, eight discrete channels are observed over a range of approximately 19nm.
http://doras.dcu.ie/2308/
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A Framework for the Decentralisation and Management of Collaborative Applications in Ubiquitous Computing Environments
(2006)
FEENEY, KEVIN; LEWIS, DAVID; O'SULLIVAN, DECLAN; QUINN, KARL ANDREW; WADE, VINCENT...
A Framework for the Decentralisation and Management of Collaborative Applications in Ubiquitous Computing Environments
(2006)
FEENEY, KEVIN; LEWIS, DAVID; O'SULLIVAN, DECLAN; QUINN, KARL ANDREW; WADE, VINCENT PATRICK
http://hdl.handle.net/2262/27020
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12 (not so) easy pieces: grand challenges for open source software
(2006)
Feller, Joseph; Finnegan, Patrick; Lundell, Bjorn; Ostling, Mats; Agerfalk, Par J.; Dev...
12 (not so) easy pieces: grand challenges for open source software
(2006)
Feller, Joseph; Finnegan, Patrick; Lundell, Bjorn; Ostling, Mats; Agerfalk, Par J.; Deverell, Andrea
http://hdl.handle.net/10344/1857
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Influence of intra-ensemble energy transfer on the properties of nanocrystal quantum dot structures and devices
(2010)
BRADLEY, LOUISE; GERARD, VALERIE; GOUNKO, IOURI; LUNZ, MANUELA
Influence of intra-ensemble energy transfer on the properties of nanocrystal quantum dot structures and devices
(2010)
BRADLEY, LOUISE; GERARD, VALERIE; GOUNKO, IOURI; LUNZ, MANUELA
Abstract:
The impact of intra-ensemble Förster resonant energy transfer (FRET) on the optical properties of monodispersed quantum dot (QD) monolayers and a donor/acceptor FRET bilayer structure are presented. The QD structures are characterized by steady-state absorption and photoluminescence (PL) spectroscopy as well as time-resolved PL measurements. The optical properties of the monodispersed monolayers, such as peak emission wavelength and PL decays, are strongly influenced by FRET from smaller to larger QDs within the ensemble. Comparing several QD samples, the spectral overlap of the QD ensemble and the QD concentration were identified as parameters that allow for tuning of FRET in monodispersed QD structures. For the donor/acceptor QD bilayer structure an unexpected decrease of the FRET efficiency between donor and acceptor layers is observed with increasing donor QD concentration. The concentration-dependent donor lifetime and a constant donor-acceptor FRET rate can explain this decrea...
http://hdl.handle.net/2262/49304
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Shear Layer Dynamics of a Cylindrical Cavity for Different Acoustic Resonance Modes
(2010)
BENNETT, GARETH
Shear Layer Dynamics of a Cylindrical Cavity for Different Acoustic Resonance Modes
(2010)
BENNETT, GARETH
Abstract:
This paper investigates the interaction between the shear layer over a circular cavity and the flow-excited acoustic response of the volume to shear layer instability modes. Within the fluid-resonant category of cavity oscillation, most research has been carried out on rectangular geometries and where cylinders are considered, side branch and Helmholtz oscillators are most common. In these studies, focus is generally restricted to either longitudinal standing waves or to Helmholtz resonance. In practical situations however, where the cavity is subject to a range of flow speeds, many different resonant mode types may be excited. The current work presents a cylindrical cavity design where Helmholtz oscillation, longitudinal resonance and also azimuthal acoustic modes may all be excited upon varying the flow speed. Experiments performed show how lock-on between each of the three fluid-resonances and shear-layer instability modes can been generated. A circumferential array of microphone...
http://hdl.handle.net/2262/41052
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Nonlinear Frequency Scattering of Broadband Noise in Turbomachinery
(2010)
DAVIS, IAN; BENNETT, GARETH
Nonlinear Frequency Scattering of Broadband Noise in Turbomachinery
(2010)
DAVIS, IAN; BENNETT, GARETH
Abstract:
Coherence based source analysis techniques can be used to identify the contribution of broadband noise sources in the exhaust of a gas turbine and hence enable the design of noise reduction devices. However, when the broadband noise source propagates in a non-linear fashion the identified contribution using ordinary coherence methods will be inaccurate. In this paper, an analysis technique to enable the contribution of linear and non-linear mechanisms to the propagated sound to be identified is reported. An bench-test experimental rig to study the propagation of noise through a rotor/stator set-up using a vane-axial fan mounted in a duct so that non-linear interactions between a sound source and the fan could be investigated is described. The technique which is used to identify non-linear noise contributions generated by the interaction of the rotor and propagated narrowband noise is reported and validated using this rig. The techniques are subsequently applied to data generated fro...
http://hdl.handle.net/2262/40646
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From Subjects to Concept Clouds - Why semantic mapping is necessary
(2008)
THOMAS, HENDRIK
From Subjects to Concept Clouds - Why semantic mapping is necessary
(2008)
THOMAS, HENDRIK
Abstract:
peer-reviewed
To realize the vision of the semantic web it is essential to be able to exchange formal modeled knowledge between applications and humans without loss of meaning. In this paper, we focus on questions relating to meaning, interpretation and subject identity in modern semantic web languages. Based on the semiotic triangle we show that topics as well as RDF resources are symbols, representing concepts and not referents as the common term “subject” would indicate. A subject can not be represented as a single entity, but rather as a complex and evolving system of different concepts. Based on this insight we explain how the resulting plurality and uncertainness of the interpretation of symbols can be handled using semantic mappings. By defining transformation rules, the exchange and integration of knowledge from different semantic models becomes possible. Concluding we define recommendations and design guidelines for a semantic mapping management system, which is needed ...
http://hdl.handle.net/2262/28807
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