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2012

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Articles 601 - 630 of 12196

Full-Text Articles in Physical Sciences and Mathematics

Thin Films Of Carbon Nanotubes And Nanotube/Polymer Composites, Anthony D. Willey Dec 2012

Thin Films Of Carbon Nanotubes And Nanotube/Polymer Composites, Anthony D. Willey

Theses and Dissertations

A method is described for ultrasonically spraying thin films of carbon nanotubes that have been suspended in organic solvents. Nanotubes were sonicated in N-Methyl-2-pyrrolidone or N-Cyclohexyl-2-pyrrolidone and then sprayed onto a heated substrate using an ultrasonic spray nozzle. The solvent quickly evaporated, leaving a thin film of randomly oriented nanotubes. Film thickness was controlled by the spray time and ranged between 200-500 nm, with RMS roughness of about 40 nm. Also described is a method for creating thin (300 nm) conductive freestanding nanotube/polymer composite films by infiltrating sprayed nanotube films with polyimide.

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Strength, Elasticity And Phase Transition Study On Nacl And Mgo-Nacl Mixture To Mantle Pressures, Zhongying Mi Dec 2012

Strength, Elasticity And Phase Transition Study On Nacl And Mgo-Nacl Mixture To Mantle Pressures, Zhongying Mi

Electronic Thesis and Dissertation Repository

Rheological properties of the Earth control most of the important geological processes, such as mantle convection, plate tectonics, earthquakes and nature of thermal evolution. Most parts of the Earth consist of multi-phase polycrystalline aggregates with various composition and compressibility. Therefore, deformation studies on multi-phase materials are important to understand the rheological properties and convection of the Earth. NaCl and MgO with large contrast in elastic properties are excellent analogue materials for modelling the Earth that is generally made of both strong and weak materials. In addition, NaCl and MgO are widely used as pressure transmitting medium and pressure calibration standard …

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The Business Service Representation Language: A Preliminary Report, Aditya K. Ghose, Evan D. Morrison, Lam-Son Le, Konstantin Hoesch-Klohe Dec 2012

The Business Service Representation Language: A Preliminary Report, Aditya K. Ghose, Evan D. Morrison, Lam-Son Le, Konstantin Hoesch-Klohe

Professor Aditya K. Ghose

No abstract provided.

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Business Rules Discovery From Process Design Repositories, Jantima Polpinij, Aditya K. Ghose, Hoa Khanh Dam Dec 2012

Business Rules Discovery From Process Design Repositories, Jantima Polpinij, Aditya K. Ghose, Hoa Khanh Dam

Professor Aditya K. Ghose

Traditional process mining approaches focus on extracting process constraints or business rules from repositories of process instances. In this context, process designs or process models tend to be overlooked although they contain information that are valuable for the process of discovering business rules. This paper will propose an alternative approach to process mining in terms of using process designs as the mining resources. We propose a number of techniques for extracting business rules from repositories of business process designs or models, leveraging the well-known Apriori algorithm. Such business rules are then used as a prior knowledge for further analysing, verifying, …

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Modeling And Solving Semiring Constraint Satisfaction Problems By Transformation To Weighted Semiring Max-Sat, Louise Leenen, Anbulagan Anbulagan, Thomas Meyer, Aditya K. Ghose Dec 2012

Modeling And Solving Semiring Constraint Satisfaction Problems By Transformation To Weighted Semiring Max-Sat, Louise Leenen, Anbulagan Anbulagan, Thomas Meyer, Aditya K. Ghose

Professor Aditya K. Ghose

We present a variant of the Weighted Maximum Satisfiability Problem(Weighted Max-SAT), which is a modeling of the Semiring Con- straint Satisfaction framework. We show how to encode a Semiring Con- straint Satisfaction Problem (SCSP) into an instance of a propositional Weighted Max-SAT, and call the encoding Weighted Semiring Max-SAT (WS-Max-SAT). The clauses in our encoding are highly structured and we exploit this feature to develop two algorithms for solving WS-Max- SAT: an incomplete algorithm based on the well-known GSAT algorithm for Max-SAT, and a branch-and-bound algorithm which is complete. Our preliminary experiments show that the translation of SCSP into WS- …

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Support-Based Distributed Optimisation: An Approach To Radiotherapy Patient Scheduling, Graham Billiau, Chee-Fon Chang, Andrew Alexis Miller, Aditya K. Ghose Dec 2012

Support-Based Distributed Optimisation: An Approach To Radiotherapy Patient Scheduling, Graham Billiau, Chee-Fon Chang, Andrew Alexis Miller, Aditya K. Ghose

Professor Aditya K. Ghose

In the health system inefficiency leads to poor use of scarce expensive resources. Lengthy patient treatment waiting time can result from inefficiency in scheduling. The use of state-of-the art multi-agent and distributed computing technologies can provide a solution to address this problem. However, distributed optimisation in such a multi-agent setting poses an important challenge that requires protocols to enable agents to optimise shared objectives without necessarily revealing all of their private constraints. In this study we show that if the problem is expressed as a Dynamic Distributed Constraint Optimisation Problem a powerful algorithm such as SBDO can be deployed to …

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Strategic Alignment Of Business Processes, Evan D. Morrison, A. K. Ghose, H. K. Dam, K. G. Hinge, K. Hoesch-Klohe Dec 2012

Strategic Alignment Of Business Processes, Evan D. Morrison, A. K. Ghose, H. K. Dam, K. G. Hinge, K. Hoesch-Klohe

Professor Aditya K. Ghose

Strategic alignment is a mechanism by which an organization can visualize the relationship between its business processes and strategies. It enables organizational decision makers to collect meaningful insights based on their current processes. Currently it is difficult to show the sustainability of an organization and to determine an optimal set of processes that are required for realizing strategies. Further, there is not a general framework for strategic alignment that can ease this problem. In this article, we propose such a general framework for strategic alignment, which helps develop a clear understanding of the relationships between strategies and business processes. The …

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Towards Green Business Process Management, Konstantin Hoesch-Klohe, Aditya K. Ghose, Lam-Son Le Dec 2012

Towards Green Business Process Management, Konstantin Hoesch-Klohe, Aditya K. Ghose, Lam-Son Le

Professor Aditya K. Ghose

There is a global consensus on the need to reduce our collective carbon footprint. While much research attention has focused on developing alternative energy sources, automotive technologies or waste disposal techniques, we often ignore the fact that the ability to optimize (existing) operations to reduce their emissions impact is fundamental to this exercise. We believe that by transforming the problem into the domain of Business Process Management (BPM) we can leverage the rich expertise in this field to address issues associated with identifying areas for improvement, understanding the implication and performing carbon footprint minimization. We will use the term “Green …

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Becoming Differently Modern: Geographic Contributions To A Generative Climate Politics, Lesley M. Head, Christopher R. Gibson Dec 2012

Becoming Differently Modern: Geographic Contributions To A Generative Climate Politics, Lesley M. Head, Christopher R. Gibson

Chris Gibson

Anthropogenic climate change is a quintessentially modern problem in its historical origins and discursive framing, but how well does modernist thinking provide us with the tools to solve the problems it created? On one hand even though anthropogenic climate change is argued to be a problem of human origins, solutions to which will require human actions and engagements, modernity separates people from climate change in a number of ways. On the other, while amodern or more-than-human concepts of multiple and relational agency are more consistent with the empirical evidence of humans being deeply embedded in earth surface processes, these approaches …

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Engaging Creative Communities In An Industrial City Setting, Chris Gibson, Ben Gallan, Andrew Warren Dec 2012

Engaging Creative Communities In An Industrial City Setting, Chris Gibson, Ben Gallan, Andrew Warren

Chris Gibson

Much has been said about how ‘creativity’ might infuse policymaking and planning – especially in the wake of popular bestsellers by Richard Florida and Charles Landry on ‘creative places’ and the ‘creative class’ (the latter a supposed demographic group associated with creative industries such as film, design and music, who are said to be the key to the economic fortunes of cities). Creativity, it is said, can be facilitated in particular urban environments, given the right preconditions such as ‘hip’ inner-city precincts, café culture and walkable dense clusters of design firms and retail and residential spaces. The common argument is …

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Living Together But Apart: Material Geographies Of Everyday Sustainability In Extended Family Households, Natascha Klocker, Chris Gibson, Erin Borger Dec 2012

Living Together But Apart: Material Geographies Of Everyday Sustainability In Extended Family Households, Natascha Klocker, Chris Gibson, Erin Borger

Chris Gibson

In the Industrialized West, ageing populations and cultural diversity-combined with rising property prices and extensive years spent in education-have been recognized as diverse factors driving increases in extended family living. At the same time, there is growing awareness that household size is inversely related to per capita resource consumption patterns, and that urgent problems of environmental sustainability are negotiated, on a day-to-day basis (and often unconsciously), at the household level. This paper explores the sustainability implications of everyday decisions to fashion, consume, and share resources around the home, through the lens of extended family households. Through interviews with extended family …

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On Formalizing Inter-Process Relationships, Tri A. Kurniawan, Aditya K. Ghose, Lam-Son Le, Hoa Khanh Dam Dec 2012

On Formalizing Inter-Process Relationships, Tri A. Kurniawan, Aditya K. Ghose, Lam-Son Le, Hoa Khanh Dam

Professor Aditya K. Ghose

Most medium to large organizations support large collections of process designs, often stored in business process repositories. These processes are often inter-dependent. Managing such large collections of processes is not a trivial task. We argue that formalizing and establishing inter-process relationships play a critical role in that task leading to a machinery approach in the process repository management. We consider and propose three kinds of such relationships, namely part-whole, inter-operation and generalization-specialization, including their formal definitions, permitting us to develop a machinery approach. Analysis of the relationships relies on the semantically effects annotated process model in BPMN. This paper presents …

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A Preliminary Investigation Of Complex Adaptive Systems As A Model For Explaining Organisational Change Caused By The Introduction Of Health Information Systems, Kieren Diment, Ping Yu, Karin Garrety Dec 2012

A Preliminary Investigation Of Complex Adaptive Systems As A Model For Explaining Organisational Change Caused By The Introduction Of Health Information Systems, Kieren Diment, Ping Yu, Karin Garrety

Karin Garrety

This paper documents the preliminary development of a framework for evaluating organisational change processes during the implementation of an electronic nursing documentation system in residential aged care facilities. It starts with a brief outline of organisational change processes. This is followed by a more detailed exposition of the principles underlying complex adaptive systems (CAS) theory, where we explain how mathematical concepts can be used to illuminate qualitative research approaches. Finally we present some preliminary findings on the facilitators and barriers for the introduction of the electronic documentation system, explained with reference to the CAS theory, based on analysis of interviews …

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Perceptions Of The Ordering Process Of Online Grocery Stores, Mark Freeman Dec 2012

Perceptions Of The Ordering Process Of Online Grocery Stores, Mark Freeman

Dr Mark Freeman

No abstract provided.

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Does Technology Use Change When In A Developed Country? A Case Study Of Libyans In Australia, Fouad Elgahwash, Mark Freeman Dec 2012

Does Technology Use Change When In A Developed Country? A Case Study Of Libyans In Australia, Fouad Elgahwash, Mark Freeman

Dr Mark Freeman

With developing countries now gaining access to modern banking services for their customers, research is needed to understand how developing countries will adapt to these changes. Since the 1980s, in the Arabic region, technological expansion has occurred with a focus on trade and services offered by industries &¿ recently the banking sector has started to develop banking services through mobile devices and the Internet to improve customer relationships. In particular, the banking sector is an information intensive industry and aims to be at the forefront of advanced use of Information and Communication Technologies (ICTs). One common trend is increasing the …

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Bonding Over Bushfires: Social Networks In Action, Mark Freeman, Alison Freeman Dec 2012

Bonding Over Bushfires: Social Networks In Action, Mark Freeman, Alison Freeman

Dr Mark Freeman

A world-first nation-wide community website scheme was established in Australia in 2006 to enhance existing, and build new, social networks within geographic communities. By doing so, it sought to promote geographic community engagement. Initially, this paper presents an overview of the scheme since its inception and review the current geographic community groups participating in the scheme. To date the scheme has had limited success in attracting a critical mass of communities that value the promoted benefits of social networks in this format, with only 154 community websites across Australia. While it has not achieved the expected level of uptake, the …

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Fire, Wind And Water: Social Networks In Natural Disasters, Mark Freeman Dec 2012

Fire, Wind And Water: Social Networks In Natural Disasters, Mark Freeman

Dr Mark Freeman

No abstract provided.

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Online Grocery Systems Design Through Task Analysis, Mark Freeman, Alison Freeman Dec 2012

Online Grocery Systems Design Through Task Analysis, Mark Freeman, Alison Freeman

Dr Mark Freeman

Purpose – Modelling users’ interactions online is envisaged to allow developers to increase the usability of online systems and will aid system developers in building better systems to meet users’ needs, hereby creating better system design processes. Design/methodology/approach – The normative task model that was developed in this paper was created through an expert review of 14 online grocery stores, using a reverse engineering technique to model the features of the stores’ ordering process. Findings – The research identified three main areas of user experience when undertaking the process of adding a product to an online trolley: attempting to retrieve …

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Considering Cognitive Load Theory Within E-Learning Environments, Abdullah Al Asraj, Mark Freeman, Paul Chandler Dec 2012

Considering Cognitive Load Theory Within E-Learning Environments, Abdullah Al Asraj, Mark Freeman, Paul Chandler

Dr Mark Freeman

This study seeks to investigate how cognitive load influences knowledge construction and what is the role of layered integrated instructional techniques in facilitating the construction and automation of schemas whilst users are interacting with e-learning tools. Initially the literature on how Cognitive Load Theory (CLT) plays a role in e-learning tools is presented, this is followed by the considerations that need to be taken when developing e-learning tools with CLT as a focus so that learners can gain the best possible learning outcomes. This paper finally presents three different ways that e-learning tools can be designed when considering the cognitive …

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The Importance Of Community Engagement In Policy Development: An Australian Case Study, Alison Norris, Mark Freeman Dec 2012

The Importance Of Community Engagement In Policy Development: An Australian Case Study, Alison Norris, Mark Freeman

Dr Mark Freeman

The Australian Domain Name Administrators have launched a new domain name space designed specifically for community groups to develop community Websites for the benefit of the local community. The purpose of the scheme under which these domains are issued is to link community members through community-managed Websites, and to encourage broad community participation and engagement. Despite broad community engagement during initial development, many changes have since been made to the policy governing these new domain names. This paper presents an overview of the scheme under which these community domains can be used, and identifies the changes made to the policy …

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Trial By Fire: Natural Hazards, Mixed-Methods And Cultural Research, Christine Eriksen, Nicholas J. Gill, Ross A. Bradstock Dec 2012

Trial By Fire: Natural Hazards, Mixed-Methods And Cultural Research, Christine Eriksen, Nicholas J. Gill, Ross A. Bradstock

Christine Eriksen

This paper considers the issues of research 'relevance' and 'use' to reflect upon a cultural geography research project on bushfire that did not begin with any specific aim of being useful to policy makers but which has garnered considerable and ongoing interest from a broad audience. It provides an example of how the integration of quantitative and qualitative research methods and data can enhance research into cultural aspects of natural hazards whilst simultaneously playing a key role in ensuring that the research results are of interest to a wide range of groups. Using a mixed-methods research approach was found to …

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The Art Of Learning: Wildfire, Amenity Migration And Local Environmental Knowledge, Christine Eriksen, T Prior Dec 2012

The Art Of Learning: Wildfire, Amenity Migration And Local Environmental Knowledge, Christine Eriksen, T Prior

Christine Eriksen

Communicating the need to prepare well in advance of the wildfire season is a strategic priority for wildfire management agencies worldwide. However, there is considerable evidence to suggest that although these agencies invest significant effort towards this objective in the lead up to each wildfire season, landholders in at-risk locations often remain under-prepared. One reason for the poor translation of risk information materials into actual preparation may be attributed to the diversity of people now inhabiting wildfire-prone locations in peri-urban landscapes. These people hold widely varying experiences, beliefs, attitudes and values relating to wildfire, which influence their understanding and interpretation …

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The Two-Faced Nature Of Small Heat Shock Proteins: Amyloid Assembly And The Inhibition Of Fibril Formation. Relevance To Disease States, Heath W. Ecroyd, S Meehan, John A. Carver Dec 2012

The Two-Faced Nature Of Small Heat Shock Proteins: Amyloid Assembly And The Inhibition Of Fibril Formation. Relevance To Disease States, Heath W. Ecroyd, S Meehan, John A. Carver

Heath Ecroyd

The ability of small heat-shock proteins (sHsps) such as alphaB-crystallin to inhibit the amorphous (disordered) aggregation of varied target proteins in a chaperone-like manner has been well described. The mechanistic details of this action are not understood. Amyloid fibril formation is an alternative off-folding pathway that leads to highly ordered beta-sheet-containing aggregates. Amyloid fibril formation is associated with a broad range of protein conformational diseases such as Alzhiemer's, Parkinson's and Huntington's and sHsp expression is elevated in the protein deposits that are characteristic of these disease states. The ability of sHsps to prevent fibril formation has been less well characterised. …

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Molecular Dynamics Analysis Of Apolipoprotein-D - Lipid Hydroperoxide Interactions: Mechanism For Selective Oxidation Of Met-93, Aaron J. Oakley, Surabhi Bhatia, Heath Ecroyd, Brett Garner Dec 2012

Molecular Dynamics Analysis Of Apolipoprotein-D - Lipid Hydroperoxide Interactions: Mechanism For Selective Oxidation Of Met-93, Aaron J. Oakley, Surabhi Bhatia, Heath Ecroyd, Brett Garner

Heath Ecroyd

Background: Recent studies suggest reduction of radical-propagating fatty acid hydroperoxides to inert hydroxides by interaction with apolipoprotein-D (apoD) Met93 may represent an antioxidant function for apoD. The nature and structural consequences of this selective interaction are unknown. Methodology/Principal Findings: Herein we used molecular dynamics (MD) analysis to address these issues. Longtimescale simulations of apoD suggest lipid molecules are bound flexibly, with the molecules free to explore multiple conformations in a binding site at the entrance to the classical lipocalin ligand-binding pocket. Models of 5s- 12s- and 15s hydroperoxyeicosatetraenoic acids were created and the lipids found to wrap around Met93 thus …

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Monotremes Provide A Key To Understanding The Evolutionary Significance Of Epididymal Sperm Maturation, Brett Nixon, Russell Jones, Jean-Louis Dacheux, Heath Ecroyd Dec 2012

Monotremes Provide A Key To Understanding The Evolutionary Significance Of Epididymal Sperm Maturation, Brett Nixon, Russell Jones, Jean-Louis Dacheux, Heath Ecroyd

Heath Ecroyd

"It has been widely accepted that mammalian spermatozoa are infertile when they leave the testes and require a period of maturation in both the epididymis and the female reproductive tract before acquiring the ability to fertilize an oocyte. However, the necessity for such a complex process of posttesticular sperm maturation appears to be unique to mammals because it is well established that these processes do not directly influence the fertilizing ability of the spermatozoa of birds, reptiles, and other lower vertebrates. Because of their key evolutionary position and form of reproduction, we contend that monotremes (platypus and echidna) provide a …

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Binding Of The Molecular Chaperone Alphab-Crystallin To Abeta Amyloid Fibrils Inhibits Fibril Elongation, Sarah L. Shammas, Christopher A. Waudby, Shuyu Wang, Alexander K. Buell, Tuomas P. Knowles, Heath W. Ecroyd, Mark E. Welland, John A. Carver, Christopher M. Dobson, Sarah Meehan Dec 2012

Binding Of The Molecular Chaperone Alphab-Crystallin To Abeta Amyloid Fibrils Inhibits Fibril Elongation, Sarah L. Shammas, Christopher A. Waudby, Shuyu Wang, Alexander K. Buell, Tuomas P. Knowles, Heath W. Ecroyd, Mark E. Welland, John A. Carver, Christopher M. Dobson, Sarah Meehan

Heath Ecroyd

The molecular chaperone αB-crystallin is a small heat-shock protein that is upregulated in response to a multitude of stress stimuli, and is found colocalized with Aβ amyloid fibrils in the extracellular plaques that are characteristic of Alzheimer's disease. We investigated whether this archetypical small heat-shock protein has the ability to interact with Aβ fibrils in vitro. We find that αB-crystallin binds to wild-type Aβ42 fibrils with micromolar affinity, and also binds to fibrils formed from the E22G Arctic mutation of Aβ42. Immunoelectron microscopy confirms that binding occurs along the entire length and ends of the fibrils. Investigations into the effect …

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Nmr Spectroscopy Of 14-3-3zeta Reveals A Flexible C-Terminal Extension: Differentiation Of The Chaperone And Phosphoserine-Binding Activities Of 14-3-3zeta, H Fu, Danielle Williams, Heath Ecroyd, John Carver, Lixin Zhang, Huanqin Dai, Joanna Woodcock, K Goodwin Dec 2012

Nmr Spectroscopy Of 14-3-3zeta Reveals A Flexible C-Terminal Extension: Differentiation Of The Chaperone And Phosphoserine-Binding Activities Of 14-3-3zeta, H Fu, Danielle Williams, Heath Ecroyd, John Carver, Lixin Zhang, Huanqin Dai, Joanna Woodcock, K Goodwin

Heath Ecroyd

Intracellular 14-3-3 proteins bind to many proteins, via a specific phosphoserine motif, regulating diverse cellular tasks including cell signalling and disease progression. The 14-3-3 isoform is a molecular chaperone, preventing the stressinduced aggregation of target proteins in a manner comparable with that of the unrelated sHsps (small heat-shock proteins). 1H-NMR spectroscopy revealed the presence of a flexible and unstructured C-terminal extension, 12 amino acids in length, which protrudes from the domain core of 14-3-3 and is similar in structure and length to the C-terminal extension of mammalian sHsps. The extension stabilizes 14-3-3, but has no direct role in chaperone action. …

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Enhanced Molecular Chaperone Activity Of The Small Heat-Shock Protein Alphab-Cystallin Following Covalent Immobilization Onto A Solid-Phase Support, V Bellotti, Heath Ecroyd, J Carver, H J Griesser, B Thierry, J G Shapter, S S Griesser, S Giorgetti, M R Nussio, J A Gerrard, J Garvey Dec 2012

Enhanced Molecular Chaperone Activity Of The Small Heat-Shock Protein Alphab-Cystallin Following Covalent Immobilization Onto A Solid-Phase Support, V Bellotti, Heath Ecroyd, J Carver, H J Griesser, B Thierry, J G Shapter, S S Griesser, S Giorgetti, M R Nussio, J A Gerrard, J Garvey

Heath Ecroyd

The well-characterized small heat-shock protein, alphaB-crystallin, acts as a molecular chaperone by interacting with unfolding proteins to prevent their aggregation and precipitation. Structural perturbation (e.g., partial unfolding) enhances the in vitro chaperone activity of alphaB-crystallin. Proteins often undergo structural perturbations at the surface of a synthetic material, which may alter their biological activity. This study investigated the activity of alphaB-crystallin when covalently bound to a support surface; alphaB-crystallin was immobilized onto a range of solid material surfaces, and its characteristics and chaperone activity were assessed. Immobilization was achieved via a plasma-deposited thin polymeric interlayer containing aldehyde surface groups and reductive …

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Active Exploration Of Emerging Themes In A Study Of Object-Oriented Requirements Engineering: The 'Evolutionary Case' Approach, Linda L. Dawson Dec 2012

Active Exploration Of Emerging Themes In A Study Of Object-Oriented Requirements Engineering: The 'Evolutionary Case' Approach, Linda L. Dawson

Associate Professor Linda Dawson

The evolutionary case approach provides a framework for qualitative case study research in information systems (IS). It uses revelation, reinforcement, reflection and re-examination to explicitly explore emerging themes in interpretive case study research. The method is based on the progressive development of a theoretical model grounded initially in the literature and then refined using sequential case studies grounded in practice. The method addresses the gap which often separates data from conclusions in qualitative case study research by documenting the “revealed” and “reinforced” changes in the theoretical model as it evolves from the empirical data. The paper provides an illustrative study …

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Building A System For Managing Clinical Pathways Using Digital Pens, Linda L. Dawson, Virginia Plummer, Stephen Weeding, Terri Harlem, Bob Ribbons, David Waterhouse Dec 2012

Building A System For Managing Clinical Pathways Using Digital Pens, Linda L. Dawson, Virginia Plummer, Stephen Weeding, Terri Harlem, Bob Ribbons, David Waterhouse

Associate Professor Linda Dawson

Background: A research team from Monash University and Peninsula Health, Victoria is undertaking a trial of digital pen and paper technology for clinical pathway management. Digital pen and paper allows for the capture of images of handwritten documents using an embedded camera in the pen which is matched with special patterns of dots on the paper. These digitised images can be uploaded to a database for analysis. Objectives: Clinical pathways have been adopted in most Australian hospitals to document and manage multidisciplinary care across a variety of acute care environments. Analysis of the information collected in paper-based clinical pathway documents …

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