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Displaying Results 1 - 25 of 2557 on page 1 of 103
Marked
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'Robust Self-Assembled Monolayers of Ru(II) and Os(II) Polypyridines on Gold Surfaces: Exploring New Potentials'
(2009)
DRAPER, SYLVIA MARY; MURPHY, FRANCES
'Robust Self-Assembled Monolayers of Ru(II) and Os(II) Polypyridines on Gold Surfaces: Exploring New Potentials'
(2009)
DRAPER, SYLVIA MARY; MURPHY, FRANCES
Abstract:
Metal complexes [M(phtpy)(pztpy)](PF6)2 (phtpy = 4'-phenyl-2,2':6',2"-terpyridine, pztpy = 4'-(Npiperazinyl)- 2,2':6',2"-terpyridine, M = Ru, Os) were prepared and examined spectroscopically and electrochemically. The piperazine attachment was found to significantly modify the photophysical and electrochemical properties compared to the parent bis-terpyridine complexes, causing a red-shift of the 1MLCT (23 nm) and a substantial cathodic shift of the redox potential (0.30 V for Ru, 0.23 V for Os). Self-assembled monolayers (SAMs) of the complexes on polished gold electrodes were generated simply via the in situ formation of a dithiocarbamate (DTC) anchoring group at the terminal piperazinyl nitrogen on the pztpy ligand. Cyclic voltammetry revealed that the monolayers show excellent reversible behaviour and exceptional stability. The high stability of the SAMs is attributed to the strong bidentate attachment to the gold surface of the DTC tether...
http://hdl.handle.net/2262/39279
Marked
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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/
Marked
Mark
(2,3,7,8,12,13,17,18-Octa-ethyl-5-phenyl-porphyrinato)platinum(II).
(2011)
SENGE, MATHIAS
(2,3,7,8,12,13,17,18-Octa-ethyl-5-phenyl-porphyrinato)platinum(II).
(2011)
SENGE, MATHIAS
Abstract:
The title compound, [Pt(C42H48N4)], was obtained through metallation of the corresponding free base with PtCl2, followed by crystallization from methylene chloride/methanol. The molecule exhibits an almost planar macrocycle with an average deviation of the 24 macrocyclic atoms from their least-squares plane (24) of 0.04 Å and an average Pt-N bond length of 2.022 Å. Despite the unsymmetrical substitution pattern, there is no significant difference between distortion of the geometry at the phenyl substituted meso position and those of unsubstituted meso positions.
http://hdl.handle.net/2262/60823
Marked
Mark
(5,15-Dianthracen-9-yl-10,20-dihexyl-porphyrinato)nickel(II): A planar nickel(II) porphyrin
(2010)
SENGE, MATHIAS
(5,15-Dianthracen-9-yl-10,20-dihexyl-porphyrinato)nickel(II): A planar nickel(II) porphyrin
(2010)
SENGE, MATHIAS
Abstract:
The title compound, [Ni(C60H52N4)], is an example of a meso tetrasubstituted nickel(II) porphyrin with both meso aryl and alkyl residues. The molecule exhibits a planar macrocycle with an average deviation of the 24 macrocycle atoms from their least-squares plane ([Delta]24) of 0.01 Å and an average Ni-N bond length of 1.960 (2) Å. The NiII atom lies on a center of inversion. The structure presents a rare example for a planar nickel(II) porphyrin, as meso-substituted nickel(II) porphyrins with either only meso-aryl or with meso-alkyl residues typically exhibit a ruffled conformation.
http://hdl.handle.net/2262/41236
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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
Marked
Mark
{4,6-Bis[(E)-1-methyl-2-(pyridin-2-yl-methyl-idene-κN)hydrazinyl-κN]pyrimidine-κN}dichloridocopper(II) methanol disolvate monohydrate
(2011)
SCHMITT, WOLFGANG; MC CABE, THOMAS; MARZEC, BARTOSZ
{4,6-Bis[(E)-1-methyl-2-(pyridin-2-yl-methyl-idene-κN)hydrazinyl-κN]pyrimidine-κN}dichloridocopper(II) methanol disolvate monohydrate
(2011)
SCHMITT, WOLFGANG; MC CABE, THOMAS; MARZEC, BARTOSZ
Abstract:
The title compound, [CuCl2(C18H18N8)]·2CH3OH·H2O, contains a pentacoordinated Cu(II) atom bonded to the tridentate 4,6-bis[(E)-1-methyl-2-(pyridin-2-ylmethylidene)hydrazinyl]pyrimidine ligand and two Cl atoms. The geometry around the CuII atom is distorted square-pyramidal. The molecules pack in the crystal structure via O-HCl, O-HN, C-HCl and C-HO hydrogen bonds, C-H and - interactions [centroid-centroid distances of the pyrimidine-pyridine and pyridine-pyridine interactions are 3.750 (3) and 3.850 (3) Å, respectively], forming sheet-like assemblies.
http://hdl.handle.net/2262/60824
Marked
Mark
{rac-5-[Meth-oxy(phen-yl)meth-yl]-10,20-diphenyl-porphyrinato}nickel(II)
(2011)
SENGE, MATHIAS
{rac-5-[Meth-oxy(phen-yl)meth-yl]-10,20-diphenyl-porphyrinato}nickel(II)
(2011)
SENGE, MATHIAS
Abstract:
The title compound, [Ni(C40H28N4O)], was obtained from a Grignard reaction of the respective formylporphyrin to yield {5-[hydroxy(phenyl)methyl]-10,20-diphenylporphyrinato}nickel(II), followed by crystallization from methylene chloride/methanol. The molecule exhibits a ruffled macrocycle with an average deviation of the 24 macrocycle atoms from their least-squares plane (Δ24) of 0.26 Å and an average Ni—N bond length of 1.931 (2) Å. In line with the asymmetrical substituent pattern, the degree of distortion is slightly larger at point of attachment of the methoxy(phenyl)methyl residue than at the unsubstituted meso position. The methoxy group attached to the chiral C atom is disordered in a 0.534 (4):0.466 (4) ratio.
http://hdl.handle.net/2262/56342
Marked
Mark
1/f noise in MgO double-barrier magnetic tunnel junctions
(2011)
COEY, JOHN MICHAEL DAVID; FENG, JIA-FENG; DIAO, ZHU
1/f noise in MgO double-barrier magnetic tunnel junctions
(2011)
COEY, JOHN MICHAEL DAVID; FENG, JIA-FENG; DIAO, ZHU
Abstract:
Low frequency noise has been investigated in MgO double-barrier magnetic tunnel junctions (DMTJs) with tunneling magnetoresistance (TMR) ratios up to 250% at room temperature. The noise shows a 1/f frequency spectrum and the minimum of the noise magnitude parameter is 1.2 x 10(-10) mu m(2) in the parallel state for DMTJs annealed at 375 degrees C. The bias dependence of noise and TMR suggests that DMTJs with MgO barriers can be useful for magnetic field sensor applications.
http://hdl.handle.net/2262/54964
Marked
Mark
Extending a Knowledge-based Network to support Temporal Event Reasoning
(2010)
O'SULLIVAN, DECLAN; KEENEY, JOHN
Extending a Knowledge-based Network to support Temporal Event Reasoning
(2010)
O'SULLIVAN, DECLAN; KEENEY, JOHN
Abstract:
While the polling or request/response paradigm adopted by many network and systems management approaches form the backbone of modern monitoring and management systems, the most important and interesting events, faults, alerts and log messages arrive at the management agent in a push-based asynchronous manner. However, in the management infrastructure itself, at the point where events are initially processed and matched to subscribers, there have been few attempts to identify relationships or dependencies between events. This means that most of this burden is placed on the management application, or indeed the managers themselves. This research investigates enhancing the expressiveness of a knowledge-based networking middleware with the addition of three temporal operators to be used in subscriptions to select matching events. A prototype design is presented and a number of implementations are compared. The approach is also motivated using two scenarios for temporal correlation of wa...
http://hdl.handle.net/2262/49401
Marked
Mark
Influence of localised surface plasmons on energy transfer between quantum dots
(2010)
BRADLEY, LOUISE; GERARD, VALERIE; GOUNKO, IOURI; LUNZ, MANUELA
Influence of localised surface plasmons on energy transfer between quantum dots
(2010)
BRADLEY, LOUISE; GERARD, VALERIE; GOUNKO, IOURI; LUNZ, MANUELA
Abstract:
The effects of surface plasmons (SPs) on Förster resonant energy transfer (FRET) in colloidal quantum dot (QD) structures have been investigated. CdTe QDs of two different sizes acted as donors and acceptors in a mixed donor-acceptor monolayer on top of a gold nanoparticle layer and an acceptor-gold-donor sandwich structure. The structures were prepared by a layer-by-layer technique and characterized by absorption and photoluminescence (PL) spectroscopy as well as time-resolved PL measurements. For the case of the mixed QD monolayer a recovery of the acceptor emission is observed when increasing the acceptor-gold separation. The reduction of the donor lifetime indicates that the FRET process is enhanced by 30%. In the sandwich structure a clear modification of the FRET distance dependence towards a typical SP influenced dependence on the QD-gold separation is observed. The maximum acceptor QD emission occurs at approximately 12 nm from the intermediate gold layer, corresponding to a...
http://hdl.handle.net/2262/49307
Marked
Mark
Testing Finitary Probabilistic Processes
(2009)
HENNESSY, MATTHEW
Testing Finitary Probabilistic Processes
(2009)
HENNESSY, MATTHEW
Abstract:
This paper provides modal- and relational characterisations of may- and must-testing preorders for recursive CSP processes with divergence, featuring probabilistic as well as nondeterministic choice. May testing is characterised in terms of simulation, and must testing in terms of failure simulation. To this end we develop weak transitions between probabilistic processes, elaborate their topological properties, and capture divergence in terms of partial distributions.
http://hdl.handle.net/2262/53124
Marked
Mark
2LIP: Filling the Gap between the Current and the Three-Dimensional Web
(2009)
Jankowski, Jacek; Decker, Stefan
2LIP: Filling the Gap between the Current and the Three-Dimensional Web
(2009)
Jankowski, Jacek; Decker, Stefan
Abstract:
In this article we present a novel approach, the 2-Layer Interface Paradigm (2LIP), for designing simple yet interactive 3D web applications, an attempt to marry advantages of 3D experience with the advantages of the narrative structure of hypertext. The hyper-text information, together with graphics, and multimedia, is presented semi-transparently on the foreground layer. It overlays the 3D representation of the information displayed in the background f the interface. Hyperlinks are used for navigation in the 3D scenes(in both layers).We introduce a reference implementation of 2LIP: Copernicus - The Virtual 3D Encyclopedia, which can become a model for building 3D Wikipedia. Based on the evaluation of Copernicus we show that designing web interfaces according to 2LIP provides users with a better experience during browsing the Web, has a positive effect on the visual and associative memory, improves spatial cognition of presented information, and increases overall user's satisf...
http://hdl.handle.net/10379/1090
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Enabling dynamic spectrum access using SS-MC-CDMA
(2007)
DOYLE, LINDA; NOLAN, KEITH EDWARD; SARATH, DEEPAK; SUTTON, PAUL DAVID
Enabling dynamic spectrum access using SS-MC-CDMA
(2007)
DOYLE, LINDA; NOLAN, KEITH EDWARD; SARATH, DEEPAK; SUTTON, PAUL DAVID
Abstract:
peer-reviewed
The demand for frequency spectrum and diversity of wireless devices accessing this spectrum depends upon the time of day, the characteristics of a frequency band, and the geographical location of the observer/wireless device. This paper highlights the value of employing a novel dynamic spectrum access technology using a highly reconfigurable spectrum access scheme with excellent frequency diversity properties. We name this robust scheme selective subcarrier multi-carrier code division multiple access (SS-MC-CDMA). This paper contains three main contributions. Firstly, the reconfigurability options in a physical layer (PHY) using MC-CDMA and the flexibility in system design of a cognitive radio are presented. Secondly, an application of the novel SS-MC-CDMA system in a dynamic spectrum access (DSA) scenario is developed in order to indicate the value and potential of this system. Finally, based on this scenario, we present some initial key results from both simulati...
http://hdl.handle.net/2262/29823
Marked
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3 Dimensional analysis of holographic photopolymers based memories
(2005)
Gallego, Sergi; Ortuño, M.; Neipp, Cristian; Márquez, A.; Beléndez, A.; Pascual, I.; Ke...
3 Dimensional analysis of holographic photopolymers based memories
(2005)
Gallego, Sergi; Ortuño, M.; Neipp, Cristian; Márquez, A.; Beléndez, A.; Pascual, I.; Kelly, John V.; Sheridan, John T.
Abstract:
One of the most interesting applications of photopolymers is as holographic recording materials for holographic memories. One of the basic requirements for this application is that the recording material thickness must be 500 µm or thicker. In recent years many 2-dimensional models have been proposed for the analysis of photopolymers. Good agreement between theoretical simulations and experimental results has been obtained for layers thinner than 200 µm. The attenuation of the light inside the material by Beer’s law results in an attenuation of the index profile inside the material and in some cases the effective optical thickness of the material is lower than the physical thickness. This is an important and fundamental limitation in achieving high capacity holographic memories using photopolymers and cannot be analyzed using 2-D diffusion models. In this paper a model is proposed to describe the behavior of the photopolymers in 3-D. This model is applied to simulate the formation ...
http://hdl.handle.net/10197/3343
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3-Urea-1,8-naphthalimides are good chemosensors: a highly selective dual colorimetric and fluorescent ICT based anion sensor for fluoride
(2011)
GUNNLAUGSSON, THORFINNUR; DUKE, REBECCA MONICA
3-Urea-1,8-naphthalimides are good chemosensors: a highly selective dual colorimetric and fluorescent ICT based anion sensor for fluoride
(2011)
GUNNLAUGSSON, THORFINNUR; DUKE, REBECCA MONICA
Abstract:
he 1,8-naphthalimide sensor 1 was developed as a colorimetric and fluorescent sensor for anions. Being the first example of such anion sensors, where the 3-position of the naphthalimide ring is used to incorporate the anion recognition moiety, in this case a trifluromethyl derived aryl urea moiety, the sensors gave rise to significant changes in both the absorption and the emission spectra, which were both red shifted upon interacting with anions. The changes were most pronounced for fluoride, and to a lesser extent for acetate and hydrogen phosphate, in DMSO, making 1 a highly selective sensor for F¯.
http://hdl.handle.net/2262/51421
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3D image analysis for pedestrian detection
(2006)
Kelly, Philip; Cooke, Eddie; O'Connor, Noel E.; Smeaton, Alan F.
3D image analysis for pedestrian detection
(2006)
Kelly, Philip; Cooke, Eddie; O'Connor, Noel E.; Smeaton, Alan F.
Abstract:
A method for solving the dense disparity stereo correspondence problem is presented in this paper. This technique is designed specifically for pedestrian detection type applications. A new Ground Control Points (GCPs) scheme is introduced, using groundplane homography information to determine regions in which good GCPs are likely to occur. The method also introduces a dynamic disparity limit constraint to further improve GCP selection and dense disparity generation. The technique is applied to a real world pedestrian detection scenario with a background modeling system based on disparity and edges.
http://doras.dcu.ie/381/
Marked
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3D representation of Wnt and Frizzled gene expression patterns in the mouse embryo at embryonic day 11.5 (Ts 19).
(2008)
MURPHY, PAULA
3D representation of Wnt and Frizzled gene expression patterns in the mouse embryo at embryonic day 11.5 (Ts 19).
(2008)
MURPHY, PAULA
Abstract:
peer-reviewed
Wnt signalling is one of the fundamental cell communication systems operating in the embryo and the collection of 19 Wnt and 10 Frizzled (Fzd) receptor genes (in mouse and human) represent just part of a complex system to be unravelled. Here we present a spatially comprehensive set of data on the 3D distribution of Wnt and Fzd gene expression patterns at a carefully selected single stage of mouse development. Overviews and selected features of the patterns are presented and the full 3D data set, generated by fully described probes, is available to the research community through the Edinburgh Mouse Atlas of Gene Expression. In addition to being comprehensive, the data set has been generated and recorded in a consistent manner to facilitate comparisons between gene expression patterns with the capacity to generate matching virtual sections from the 3D representations for specific studies. Expression patterns in the left forelimb were selected for more detailed compar...
http://hdl.handle.net/2262/18839
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3DWiki: The 3D Wiki Engine
(2009)
Cobos, Yolanda; McDaniel, Bill; Decker, Stefan
3DWiki: The 3D Wiki Engine
(2009)
Cobos, Yolanda; McDaniel, Bill; Decker, Stefan
Abstract:
We demonstrate one of the potential paths of the evolution of wiki engines towards Web 3.0. We introduce 3dWiki - the 3D wiki engine, which was built according to 2-Layer Interface Paradigm (2LIP). It was developed for use by Copernicus, our vision of a 3D encyclopedia. In the demonstration: We give an overview of 2-Layer Interface Paradigm, an attempt to marry advantages of 3D experience with the advantages of narrative structure of hypertext. We describe step by step how to create an article for Copernicus: from creating models for the 3D background, through authoring the content, creating the c-links, to publishing the result in our encyclopedia. We show how to use a physics engine in our wiki.
http://hdl.handle.net/10379/622
Marked
Mark
42.6 Gbit/s fully integrated all-optical XOR gate
(2009)
Dailey, James M.; Ibrahim, Selwan K.; Manning, Robert J.; Webb, Rod P.; Lardenois, Séba...
42.6 Gbit/s fully integrated all-optical XOR gate
(2009)
Dailey, James M.; Ibrahim, Selwan K.; Manning, Robert J.; Webb, Rod P.; Lardenois, Sébastien; Maxwell, Graeme D.; Poustie, Alistair J.
Abstract:
Science Foundation Ireland (06/IN/I969)
Accepted Version
We demonstrate an SOA-based all-optical high-speed Mach-Zehnder interferometer exclusive- OR (XOR) gate fabricated in a silica III-V hybrid-integration technology platform. The device includes integrated time delays for rapid differential operation as well as integrated phase shifters for fine tuning of power splitters and interferometer bias enabling highly optimized XOR gate operation. XOR functionality is verified through inspection of the output pulse sequence and the carrier-suppressed output spectrum. A 2.3 dB penalty for a 42.6 Gb/s RZ-OOK signal at a 10-9 bit error rate is observed.
http://hdl.handle.net/10468/412
Marked
Mark
5',6-Dichloro-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline]
(2008)
Alhashimy, Nameer; Müller-Bunz, Helge; Schazmann, Benjamin ; Diamond, Dermot
5',6-Dichloro-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline]
(2008)
Alhashimy, Nameer; Müller-Bunz, Helge; Schazmann, Benjamin ; Diamond, Dermot
Abstract:
In the crystal structure of the title compound, C19H17Cl2NO, the indoline and benzopyran ring systems are approximately perpendicular to each other. The indoline ring is in an envelope conformation with the spiro C atom as the flap. The N atom of the indoline ring forms a pyramidal environment, the sum of the angles at this atom being 352.46°.
http://doras.dcu.ie/714/
Marked
Mark
Using Pseudo Feedback to Improve Cross-Lingual Ontology Mapping
(2011)
O'SULLIVAN, DECLAN; BRENNAN, ROB; FU, BO
Using Pseudo Feedback to Improve Cross-Lingual Ontology Mapping
(2011)
O'SULLIVAN, DECLAN; BRENNAN, ROB; FU, BO
Abstract:
Translation techniques are often employed by cross-lingual ontology mapping (CLOM) approaches to turn a cross-lingual mapping problem into a monolingual mapping problem which can then be solved by state of the art monolingual ontology matching tools. However in the process of doing so, noisy translations can compromise the quality of the matches generated by the subsequent monolingual matching techniques. In this paper, a novel approach to improve the quality of cross-lingual ontology mapping is presented and evaluated. The proposed approach adopts the pseudo feedback technique that is similar to the well understood relevance feedback mechanism used in the field of information retrieval. It is shown through the evaluation that pseudo feedback can improve the matching quality in a CLOM scenario.
http://hdl.handle.net/2262/58997
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A 12 month prospective cohort study of injury in international rowers.
(2010)
WILSON, FIONA; SIMMS, CIARAN KNUT; GORMLEY, JOHN PATRICK
A 12 month prospective cohort study of injury in international rowers.
(2010)
WILSON, FIONA; SIMMS, CIARAN KNUT; GORMLEY, JOHN PATRICK
Abstract:
Objective: In this study, the injury incidence and association with type and volume of training in international rowers were described. Design: A prospective cohort design was used over a 12- month period. Patients: 20 international rowers who were competing as part of the Irish Amateur Rowing Union squad system. Methods: The rowers were interviewed monthly, and data were collected regarding their training and competition exposure as well as their injury experience. Results: A mean injury rate of 3.67 per 1000 exposure hours was reported with a total of 44 injuries reported in a 12-month period. The mean number of injuries sustained per athlete was 2.2 (1.24) over the 12-month period. The area where the greatest number of injuries were reported was the lumbar spine (31.82% of total injuries, 95% CI 20 to 50) (fig 2) followed by the knee (15.91% of total injuries, 95% CI 10 to 30) and the cervical spine (11.36% of total injuries, 95% CI 5 to 24). Half of the injuries (22 injuries, 50...
http://hdl.handle.net/2262/41166
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A Bayesian Framework for Recursive Object Removal in Movie Post-Production
(2003)
KOKARAM, ANIL CHRISTOPHER
A Bayesian Framework for Recursive Object Removal in Movie Post-Production
(2003)
KOKARAM, ANIL CHRISTOPHER
Abstract:
peer-reviewed
Some of the most convincing film and video effects are created in digital post-production by removing apparatus that supports or manipulates actors and objects. Wires and people, for instance, can be removed by digitally painting them out of the scene provided some 'clean plate' image is available for pasting in the missing regions. This paper addresses the problem when no such plate is available. Object removal requires the estimation of the motion of the hidden material and then the reconstruction of the missing image data. Using the notion of temporal motion smoothness, this paper articulates the two problems using a Bayesian framework and so develops a unique tool for automated object removal. The tool is currently being tested in the film effects industry and initial feedback is very positive.
http://hdl.handle.net/2262/24565
Marked
Mark
A benchmark comparison between reconfigurable, intelligent and autonomous wireless inertial measurement and photonic technologies in rehabilitation
(2011)
Walsh, Michael; Tyndyk, Magdalena; Barton, John; O'Flynn, Brendan; Ó Mathúna, S. Cian
A benchmark comparison between reconfigurable, intelligent and autonomous wireless inertial measurement and photonic technologies in rehabilitation
(2011)
Walsh, Michael; Tyndyk, Magdalena; Barton, John; O'Flynn, Brendan; Ó Mathúna, S. Cian
Abstract:
Accepted Version
Science Foundation Ireland (CSET - Centre for Science, Engineering and Technology, Grant No. 07/CE/11147)
Advanced sensory systems address a number of major obstacles towards the provision for cost effective and proactive rehabilitation. Many of these systems employ technologies such as high-speed video or motion capture to generate quantitative measurements. However these solutions are accompanied by some major limitations including extensive set-up and calibration, restriction to indoor use, high cost and time consuming data analysis. Additionally many do not quantify improvement in a rigorous manner for example gait analysis for 5 minutes as opposed to 24 hour ambulatory monitoring. This work addresses these limitations using low cost, wearable wireless inertial measurement as a mobile and minimal infrastructure alternative. In cooperation with healthcare professionals the goal is to design and implement a reconfigurable and intelligent movement capture s...
http://hdl.handle.net/10468/390
Marked
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A calculus for costed computations
(2011)
HENNESSY, MATTHEW
A calculus for costed computations
(2011)
HENNESSY, MATTHEW
Abstract:
We develop a version of the picalculus Picost where channels are interpreted as resources which have costs associated with them. Code runs under the financial responsibility of owners; they must pay to use resources, but may profit by providing them. We provide a proof methodology for processes described in Picost based on bisimulations. The underlying behavioural theory is justified via a contextual characterisation. We also demonstrate its usefulness via examples.
http://hdl.handle.net/2262/53126
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