Academic literature on the topic 'Ephemeral DevOps'

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Journal articles on the topic "Ephemeral DevOps"

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Bhosale, Pradeep. "Deploying Stateful Applications in Kubernetes: Best Practices with StatefulSets." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 02 (2025): 1–9. https://doi.org/10.55041/ijsrem41457.

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As container orchestration transitions from experimental deployments to mission-critical, large-scale operations, running stateful workloads in Kubernetes becomes a pressing topic. Historically, Kubernetes excelled at stateless microservices, quickly scaling ephemeral pods. However, many real-world systems rely on persistent data; databases, caches, key-value stores, and distributed queues. StatefulSets are a Kubernetes feature specifically designed to handle pods requiring stable identities, ordered startup, and persistent storage. Deploying these stateful applications demands nuanced architectural decisions, from volume management and data replication to orchestrating rolling upgrades while preserving data integrity. This paper provides a comprehensive, hands-on guide to best practices with StatefulSets. We begin by comparing stateful and stateless workloads, illustrating how StatefulSets differ from Deployments or ReplicaSets. We then cover persistent volumes, storage classes, node affinity, scaling, advanced update strategies, and the interplay between stateful containers and multi-environment DevOps pipelines. Along the way, we highlight anti-patterns like overusing a single shared volume or ignoring readiness checks and propose real-world solutions drawn from production experiences. The aim is to furnish architects, operators, and developers with the insights and practical steps necessary to reliably run mission-critical, data-centric services in a Kubernetes ecosystem. Keywords Kubernetes, StatefulSets, Persistent Volumes, Data Persistence, Distributed Systems, High Availability, Rolling Upgrades, Best Practices, Storage asses, DevOps,
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Soundararajan, Balaji. "Secure Configuration Management for Microservices Architecture." International Journal of Multidisciplinary Research and Growth Evaluation. 1, no. 1 (2020): 110–14. https://doi.org/10.54660/.ijmrge.2020.1.1.110-114.

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Microservices architecture has revolutionized software development by enabling scalable, modular, and resilient applications. Traditional monolithic systems rely on centralized security controls, but microservices’ decentralized architecture is characterized by frequent deployments, horizontal scaling, and containerized environments that exposes vulnerabilities such as misconfigured APIs, insecure secrets, and inconsistent deployment practices. These risks are exacerbated by the rapid evolution of cloud-native technologies, where manual configuration processes and ad-hoc updates create exploitable gaps. This paper examines the complexities of secure configuration management in microservices, emphasizing the interplay between dynamic infrastructure, DevOps workflows, and compliance requirements. Key challenges include managing secrets across distributed services, ensuring configuration consistency in ephemeral containers, and mitigating insider threats through automated governance. To address these issues, the study advocates for integrated solutions such as infrastructure-as-code (IaC) frameworks, centralized secrets management systems, and continuous compliance auditing via CI/CD pipelines. By aligning security with agility, organizations can enforce least-privilege access, automate configuration drift detection, and safeguard sensitive data in hybrid cloud environments. The analysis underscores the necessity of adopting adaptive security strategies to counter evolving threats while maintaining operational resilience. Findings highlight the role of orchestration platforms and AI-driven tools in future-proofing microservices architectures, ensuring robust security without compromising scalability.
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Sathe, Mohini M. "Serverless Web Development." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 06 (2025): 1–9. https://doi.org/10.55041/ijsrem50975.

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Serverless web development marks a significant transformation in how modern applications are built by eliminating the burden of server management for developers. This review examines the progression, advantages, drawbacks, and potential of serverless computing, with a primary focus on Function-as-a-Service (FaaS) and Backend-as-a-Service (BaaS) models. The main aim is to evaluate current academic and industry trends, draw comparisons between leading technologies, and provide synthesized insights into their real-world usage. The analysis is based on diverse scholarly publications, performance studies, and practical implementations. Key themes include scalability, operational cost, security challenges, and implementation scenarios. While serverless systems promote faster development and operational simplicity, limitations such as cold start delays, monitoring difficulties, and dependency on specific vendors remain significant concerns. This review identifies areas requiring further investigation and offers guidance for future research, aiming to deepen the understanding of serverless frameworks. It serves as a resource for both researchers and developers interested in adopting or refining serverless methodologies across a variety of use cases. As the demand for rapid, scalable, and cost-effective digital solutions increases, serverless computing has emerged as a strategic approach for organizations seeking to streamline DevOps processes and focus more on business logic than infrastructure. Its event-driven nature and automatic scaling capabilities align well with the dynamic needs of web-based services, making it a suitable architecture for microservices, real-time APIs, and data processing tasks. However, achieving consistent performance and maintaining observability in ephemeral environments present ongoing challenges that must be addressed through innovation in tooling and cross-platform standardization. Key Words: Serverless Computing, Function-as-a-Service (FaaS), Backend-as-a-Service (BaaS), Cloud Computing.
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Davidson, Lea J., Adam M. Milewski, and Steven M. Holland. "Quantifying Intermittent Flow Regimes in Ungauged Basins: Optimization of Remote Sensing Techniques for Ephemeral Channels Using a Flexible Statistical Classification." Remote Sensing 15, no. 24 (2023): 5672. http://dx.doi.org/10.3390/rs15245672.

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Intermittent and ephemeral channels are a critical component of the global hydrologic network. The dominant feature in dryland environments, ephemeral channel transmission loss facilitates aquifer recharge. Characterizing flow intermittency improves groundwater storage estimates; however, limited gauging of intermittent systems impedes this understanding. This research develops an improved classification for surface flow, optimized for ephemeral systems using linear discriminant function analysis and remotely sensed imagery. It further applies this methodology to assess temporal and spatial flow patterns across the Souss channel, an ungauged, ephemeral system in central Morocco. Linear discriminant function analysis demonstrates high predictive accuracy for Landsat imagery, with significantly improved classification success as compared to the Modified Normalized Difference Water Index. Application to the Souss channel from 1984 to 2022 points to a decreasing trend in flow frequency. Despite this change, flow events remain concentrated within the wet season, critical for regional aquifer recharge. Spatial flow characteristics further support sustained infiltration, with the majority of events focused within the upstream channel section during both dry and wet seasons. Decreased occurrence moving downstream highlights the likely impact of additional factors such as transmission loss, evapotranspiration, and agricultural abstraction contributing to channel intermittency.
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Greco, Danielle A., Brandon S. Schamp, and Kirstin A. Mercer. "Canopy effects on abundance and leaf traits of a spring ephemeral: Erythronium americanum." Botany 97, no. 12 (2019): 691–98. http://dx.doi.org/10.1139/cjb-2019-0083.

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Spring ephemerals take advantage of the high light levels available in the spring by completing the aboveground portion of their lifecycle before the canopy develops and while few other understory plant species are growing. The spring is marked by high resource availability, yet spring ephemerals are variably abundant throughout forests. Research indicates that canopy conditions can influence the growth of spring ephemerals; consequently, we tested whether the variation in canopy conditions predicted variation in the abundance of Erythronium americanum Ker Gawl. across 50 forest plots. We also tested whether the specific leaf area (SLA) of E. americanum in plots was predicted by variation in plot-level canopy conditions, reflecting E. americanum‘s ability to adapt to different canopy conditions. The abundance of E. americanum was significantly lower in the plots with greater hard canopy closure (i.e., permanent cover: tree architecture + evergreen leaf cover), and significantly higher under canopies that reached full development earlier. Canopies with greater hard canopy cover at the start of the growing season were associated with significantly higher SLA, quantifying local adaptation by E. americanum to variable canopy conditions. Erythronium americanum takes advantage of the high light levels available in the spring. It is unclear at this time why higher abundance of E. americanum is associated with canopies that close earlier.
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Clerc, Adriane, Antoine Wautier, Stéphane Bonelli, and François Nicot. "Mesoscale inertial transition in granular materials." EPJ Web of Conferences 249 (2021): 10004. http://dx.doi.org/10.1051/epjconf/202124910004.

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Granular assemblies can experience complex failure patterns along a given loading path, with a distribution of ephemeral inertial events marked by local outbursts in kinetic energy. However, investigating such mechanisms appears to be necessary to understand how a certain failure mode develops in a granular material. Using a discrete element method, this study highlights several microstructure reorganizations before the specimen reaches a proper failure state. Meso structures have proven to be efficient to understand the elementary mechanisms responsible for these outbursts in kinetic energy. Strain–like and stress-like quantities are thus defined at a mesoscale and they are used to characterize the nucleation and propagation of these local microstructural events.
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Yankova, Elina, Petka Grancharova, and Rozalia Nikolova. "On the Reproductive Biology of Alkanna tinctoria (Boraginaceae)." Proceedings of the Bulgarian Academy of Sciences 75, no. 7 (2022): 1000–1008. http://dx.doi.org/10.7546/crabs.2022.07.08.

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In the present study main parameters of reproductive biology as features of embryological structures and processes as well as the pollen and seed viability of Alkanna tinctoria, an endangered useful species of Bulgarian flora were established. In its studied Bulgarian populations pollen viability above 90% and seed viability – between 32% and 64% were determined. The anthers are tetrasporangiate and their wall develops according to Dicotyledonous-type, consisting of an epidermis, fibrous endothecium, an ephemeral middle layer and secretory tapetum. The microsporogenesis is simultaneous and in the anthers tetrahedral and isobilateral microspore tetrads are formed. The mature pollen is threecelled at shedding stage. The ovule is anatropous, teniunucellate, unitegmic. Embryo sac (ES) develops according to the Polygonum (monosporic)-type. The embryo development follows the Asterad-type. The endosperm in the mature seeds has been completely consumed. As a result of the present study A. tinctoria is characterized as a sexually reproducing species.
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Domański, Andrzej. "Zbiorowe fascynacje a koncepcja kultury efemerycznej." Kultura i Społeczeństwo 48, no. 4 (2004): 147–59. https://doi.org/10.35757/kis.2004.48.4.7.

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Analyses of contemporary societies stress the dynamics of cultural changes. “Temporary collective fascinations” (such as hula-hoop, Rubik’s cube) known in American sociology as “fads”, may be regarded as examples of a model of ephemeral culture. They emanate from such social values as: progress, change, “being hip”. Their development is accompanied by the emergence of a specific system of values, norms, meanings, patterns of behavior and emotions. The axiological and semiotic consensus which develops around these fads is usually short-lived and a current object of fascination is abandoned once it becomes “boring”. Collective fascinations should not be treated solely as creations of manufacturers or of the media as such phenomena were observed in remote history.
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Browne, Kath, and Catherine Jean Nash. "In Ireland We ‘Love Both’? Heteroactivism in Ireland’s Anti-Repeal Ephemera." Feminist Review 124, no. 1 (2020): 51–67. http://dx.doi.org/10.1177/0141778919895262.

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Resistances to sexual and gender rights are shifting and need new theorisations. This article develops the analytical concept of heteroactivism by exploring its relation to abortion debates in Ireland. Heteroactivism as an analytical category examines resistances to sexual and gender rights that seek to reiterate the place of the heteronormative family (both in terms of gender norms and heterosexuality) through activisms that can stand against new legislative orders. The article investigates three texts to explore how the ‘Vote No’ campaign in Ireland discussed ‘loving both’, but in the main thrust of the poster campaign instead focused on the foetus as an ‘unborn child’. Using textual and visual analysis, we show the creation of Ireland through seeking to ‘love both’ and create a distinction from the dangers, and foreign contagion, of England. The article concludes by arguing that ongoing work is needed to explore heteroactivism and its diverse manifestations, including in abortion debates.
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Yang, Wenbo, H. Roy Krouse, Ronald J. Spencer, et al. "A 200,000-Year Record of Change in Oxygen Isotope Composition of Sulfate in a Saline Sediment Core, Death Valley, California." Quaternary Research 51, no. 2 (1999): 148–57. http://dx.doi.org/10.1006/qres.1998.2022.

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Abstractδ18O values of sulfate minerals from a 186-m core (past 200,000 years) in Death Valley varied from +9 to +23‰ (V-SMOW). Sulfates that accumulated in the past ephemeral saline lake, salt pans, and mud flats have relatively low δ18O values similar to those of present-day local inflows. Sulfates that accumulated during two perennial lake intervals, however, have higher δ18O values, reflecting changes in temperature, lake water levels, and/or sulfur redox reactions. Over the same time interval, the δ18O record for sulfate had excursions that bear similarities to those found for carbonate in the Death Valley core, marine carbonate (SPECMAP), and polar ice in the Summit ice core, Greenland. The δ18O record differed considerably from the records reported for carbonate at Owens Lake and Devils Hole, which probably relates to different water sources. Death Valley, Owens Lake, and Devils Hole are responding to the same climatic changes but manifesting them differently. In Death Valley sediments, the isotopic composition of sulfate may have potential as an indicator of paleoenvironmental changes.
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Book chapters on the topic "Ephemeral DevOps"

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Stanchina, Gabriella. "4. Constitutive Mind and Constitutive Nature." In The Art of Becoming Infinite. Open Book Publishers, 2025. https://doi.org/10.11647/obp.0442.04.

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The fourth chapter is devoted to uncovering Mou’s idea of “authentic subjectivity.” According to Mou, this new paradigm of subjectivity was inaugurated by Confucius and Mengzi and reached its zenith in specific currents of Song-Ming Neo-Confucian thought. Through an original reformulation and systematization of this inheritance, Mou develops his “moral metaphysics,” in the framework of which his conception of subjectivity finds its definitive foundation. The “authentic subject” should not be confused with one of the poles of the dyad subject/object operating in Western, horizontal and knowledge-based mainstream philosophy. By contrast, it represents the culminating point of the vertical reorientation of the idea of the self. The previous chapters identify some distinguishing characteristics of the vertical self: dynamism, performativity, and self-transcendence. Moral metaphysics aims to bring any of these characteristics to full completion. Regarding dynamism, the moral self or authentic subject manifests itself as a process of uninterrupted liquefaction of any concretion and attachment. Mou distinguishes between a “little self” and a “great self.” The little self is the mind of habit, an inner domain constituted by psychological states, and it is constantly construed through a narrative interweaving of our memories. This inner domain is the province of qualia. In contemporary philosophy of mind, qualia are the subjective and qualitative aspects of our mental lives, the inner side of phenomenal experiences. They are echoes and traces passively produced by sensorial contact with the external world and are directly accessible only to privately experiencing subjects. In Critique of the Cognitive Mind, Mou called them “psychological states,” contrasting them with perception, that is, the ever-present ability of the mind to emancipate itself from any passive reverberation and affirm itself as pure dynamical act and ever-resurgent new beginning. Translated in a performative and practical dimension, Mou understands the little self or the unauthentic subject as a conglomerate of attachments and habits residually left behind in our attempt to dominate and control the objective world. The great self attainable in our moral deeds is a higher spiritual state that overcomes the distinction between the inner and outer worlds. The dynamism of self-transcendence actualized in my moral agency is a constant awakening from selfish slumber to the infinitude of my being one with all things. As Mengzi expresses it, “All things are already complete in us.” The unparalleled contribution of the Confucian tradition lies in the primacy of morals. It is critical to highlight that in Mou’s thought “morals” has a more comprehensive semantic spectrum than in Western philosophy because it is not a specific branch of knowledge dealing with ethical virtues and freedom of will, as epitomized in Kant’s Critique of Practical Reason. Morals and the moral self possess a performative and metaphysical dimension, including the ability to decipher the meaning embedded in reality, the action of conferring value to things, respecting them as end-in-itself, and avoiding the reduction of the world to a mere instrument, and finally the intuition of the universe as one with myself. The Western horizontal paradigm, in which ethical principles are deduced from the knowledge of being, is unable to explain phenomena such as moral failure and objectively justify the freedom of will. Therefore, Mou suggests that we begin our philosophical inquiry with the moral experience of value, rather than the relation between the mind and external objects. Confucian tradition offers a prime example of moral experience in Mengzi’s apologue of the “child by the well.” When I see my child about to fall into a well, Mengzi argues that my feelings of compassion are immediately awakened. What I perceive in my emotional intelligence is a sense of urgency and concern that results in the spontaneous and immediate action of grabbing the child. In this archetypal experience, the self emerges as a vital vibration of urgency and agency, witnessing my being-one-body with the child. The infinitely irreducible value of the world possesses a force of self-manifestation and actualizes itself in my all-embracing responsiveness. According to Mou, I become retrospectively aware of my moral mind as a universal, active interconnectedness of all that exists, preceding any separation between subject and object. With respect to the Daoist subject analyzed in Chapter 3, the conception of the performative subject that aims for self-realization is reconfirmed, as is the idea of jingjie. However, Mou’s assertion that the full meaning of the subject is inaugurated by Confucianism reveals that the characteristics of the self (i.e., dynamism and reflexivity) can be fully appreciated only when the moral self comes to the forefront. According to Mou, the merit of orthodox Confucian teaching is to have placed something maximally positive and attainable through human freedom, that is, the moral self and the supreme spiritual level attainable through my effort of self-cultivation. Daoism’s diaphanous subject maintains structural passivity. The jingjie of the Daoist saint, reached through a systematic withdrawal from any purpose or concrete engagement with reality, is a mental landscape in which the self and nothingness, that is, the inchoate origin of the cosmos, merge into one. From this point, the Daoist self can only contemplate the exuberant gushing out of myriad things from the origin, being careful to constantly efface itself to avoid obstacles to the endless metamorphosis of things. In Mou’s moral metaphysics, the moral mind replaces nothingness as a creative inception. The self is required to actively participate, embodying and actualizing the moral principles in minute objective circumstances, without letting anything out of the sphere of concern and responsibility. In addition to dynamism and performativity, reflexivity and self-awareness are the third characteristic of the self. The Daoist diaphanous subject, in attending to the multifarious manifestation of beings, can look back at itself and become aware of the unity between the universe and the transparency of the self, which is the condition for this manifestation. However, because of the necessity of avoiding attachment to the self and constantly restoring the transparency of the mind, it is nothing more than an ephemeral gleam. In contrast, Mou’s moral self, in performing ethical deeds, realizes and actualizes the principle that it embodies every single thing. The specific circumstances are not given through a visually based detached contemplation but are concretely actualized in their value and meaning through active participation and concern. In “bringing things to realization without any of them being lost” (ti wu er bu ke yi 體物而不可遺), the “mind of benevolence” concretizes the moral principle by penetrating into the infinite particularity of situations. Through my moral activity, I come to realize myself as one with the moral mind, which is the highest spiritual state. Here, I operate at the ontological level that Mou identifies with the Confucian idea of inherent nature (xing 性). Nature is brought to perfect manifestation through creative efforts to reach the spiritual state of the moral mind. Nature is not a static substance but a living principle that possesses the ability to self-actualize. Mou valorizes the idea, stemming from the very beginning of Chinese thought—the Yijing (Classic of Change)—that reality is a living, dynamic flux of transformation and an interacting web of mutual responsiveness. As Mou declared in Critique of the Cognitive Mind, reality in itself is holistic, interconnected, and pervaded with meaning. However, in the absence of a manifesting mind, this organic order of things, which is their principle and value-in-itself, remains only a latent ontological property. Only in self-perfected human beings are the mind and nature, manifestation and content, inseparable. The manifestation proper to the moral mind is not merely a symbolic expression, but is the concretization of the moral principle into the infinite particularity of situations. The distinctive power of my human self is the ability to embody the moral principle of my specific nature so that the principle of my action is not outside me but comes from the heart of my being. In this way, I acquire autonomy and freedom and am able to preserve and nurture them by extending the horizon of moral care to the entire universe. Saying that “All things are already complete in me,” Mengzi endows the finite human mind with an infinite capacity for moral extension and elevation. Building on the Confucian teaching of ren and Mengzi’s theory of mind and nature, the Song-Ming era of Neo-Confucianism gradually brought to fruition the unification of the metaphysical plane of moral practice and the creative energy of the universe. Realizing my moral mind, I awaken myself to be one with the cosmos. Everything is in me, because by expanding the field of my concern and vigilance to the universe, I do not consider nothing external to myself. The authentic self redefines the idea of interiority as autonomy, that is, the capacity to embody the principle of being and acting and having nothing outside that can dictate or obstruct actions. Though posing moral practice as the culminating point of human endeavor, Mou recognizes the necessity and value of any epistemological effort, particularly scientific knowledge. The reason lies just in the fact that moral activity is spontaneously actualizing in the specificity of phenomena and circumstances. If even the smallest thing must not be forgotten or left out of the sphere of meaning, then cognitive activities are embedded in the circular movement of the moral mind. Facts and events that occur in the performative field have an objective aspect at their core. When moral action encounters difficulty in its scrupulous accomplishment, the mind should stop and analyze this obstacle as a thing contraposed to a knowing subject. The final aim is to restore the ever-flowing circular dynamism of the absolute mind. Eliminating any obstruction through apprehension of the objective thing is subordinated to the unavoidable task of the self. This temporary arrest and entrenchment in the horizontal multiplicity of things is called by Mou ziwo kanxian 自我坎陷that is, self-limitation of the moral self.
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Kozak, Mariusz. "Meaning." In Enacting Musical Time. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190080204.003.0002.

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This chapter develops two claims that are central to the book’s overall argument. The first is that certain temporal musical objects exist only as ephemera—always remaining outside of symbolic representation. These objects are constituted by lived time, or time as it shows up in human lives. The second claim is that the ephemeral meaning of music consists of its significance, which the author defines as a practical meaning that arises in the moment of one’s perception of, and action upon, one’s immediate environment. Significance is a process that is enacted in the dyadic relationships between environmental affordances—opportunities for and constraints of action—and a situated agent.
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Schultis, Brian. "Rolling and Knowing." In Resistance and Support. Oxford University PressNew York, NY, 2024. http://dx.doi.org/10.1093/9780197776308.003.0016.

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Abstract This chapter explores how Contact Improvisation and other embodied ephemeral forms endure through time. It foregrounds the physical action of rolling as it is often done in Contact Improvisation as an act of knowing, in contrast to a conventional static image of knowledge described by Tim Ingold as a logic of inversion. It develops this form of knowing in two ways, both drawing on the thinking of Gilles Deleuze and Félix Guattari. First it shows how rolling establishes a dynamic intensive system and then how it works between smooth and striated space. Throughout, the concepts are illustrated with examples from the author’s reflections on a year of intensive dancing.
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Weigel, Sigrid. "Indexical Images: Trace, Resemblance, and Code." In Grammatology of Images. Fordham University Press, 2022. http://dx.doi.org/10.5422/fordham/9781531500153.003.0004.

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The chapter departs from discussing the applicability of Peirce's semiotics (with the distinction of icon, index, and symbol) to images, which forms the background for the concept of the ‘indexical image’. It approaches the position of the latter within image-theory through the question whether the images designated as indexical images refer to traces and/ or resemblance. Taking this question as the focus, the chapter develops a distinction between ‘resemblance through contact’ (left behind traces that produce resemblance), ‘shadow resemblance’ (ephemeral traces captured by means of drawing, photography, or film), ‘non-resemblant traces’ that have to be deciphered, and ‘diagrams and coded indicators’ (not referring to traces but rather to a code or calculation).
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Bhattacharya, Sreedeep. "Till It Lasts the Wash." In Consumerist Encounters. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190125561.003.0005.

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This chapter explores T-shirt as a commodity, along with images and texts imprinted on it. It discusses the casual, flexible, and androgynous properties of T-shirt, devoid of symbolic depth. It argues that the T-shirt can host a range of texts and images because it is a vacant surface, waiting to be populated with random images and messages. It is so empty and trifling by itself that it requires textual and graphic support in order to communicate. Textual and visual contents of T-shirts are also observed and interpreted to argue that they do not necessarily translate into an obedient subscription of these messages. The mix of wit, sarcasm, and clichés is so ‘casual’ that it does not demand adherence to, involvement with, or even awareness of surface-level meaning. Simultaneously, it also asserts that the popularity of the T-shirt announces an advent and acceptance of the ephemeral, indicating a detached and dispensable relationship with commodities.
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Brown, Gavin, Anna Feigenbaum, Fabian Frenzel, and Patrick McCurdy. "Introduction: past tents, present tents: on the importance of studying protest camps." In Protest Camps in International context. Policy Press, 2017. http://dx.doi.org/10.1332/policypress/9781447329411.003.0001.

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Despite protest camps’ increasing role as an organisational form of protest, little scholarship has considered protest camps as their own domain of enquiry. What protest camp scholarship that does exist has largely been sporadic and often views camps as either merely functional to the specific movements in which they were created, or sees them as ephemeral spaces that leave little legacy. In either case, the protest camp is regarded as just one site amongst many in the context of studying a specific social movement often grouped together with other social movement strategies such as street parties, demonstrations, assemblies and direct actions. In this introduction, the authors point to the importance to detail the unique spaces of protest camps, their sustaining infrastructures and the similarities and differences between protest camps across movements and locations. The authors also consider the lack of theory which conceptually develops the importance of the protest camp as a distinct entity and a lack of succinct empirical work on protest camps.
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Fermanis, Porscha. "Historical Sentiment and Experience: Burke and Wollstonecraft." In Romantic Pasts. Edinburgh University Press, 2022. http://dx.doi.org/10.3366/edinburgh/9781474481885.003.0002.

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This chapter argues that Edmund Burke and Mary Wollstonecraft’s accounts of the French Revolution represent not just two ideological positions but two opposing conceptions of history’s epistemological foundations. For all his emotional rhetoric and his strategic de-rationalisation of the Revolution as a historical accident without causation, Burke’s conception of experience in Reflections on the Revolution is ultimately a regulatory or disciplinary one, producing passive political subjects rather than any kind of agential or self-determining political force. Wollstonecraft’s Historical and Moral View of the French Revolution, on the other hand, sets out to restore deep historical causes to Burke’s passional account of ephemeral revolutionary effects, rejecting the reduction of historical experience to a form of emotional intuitionism. At the same time, Wollstonecraft develops a new, agential understanding of collective experience that allows for the existence of a participatory and dynamic social world. Wollstonecraft’s understanding of historical agency and her counter-sentimental interest in cultivating cognitive (as opposed to instinctive) feelings are critical for understanding the changing role and place of feeling in historical discourse from the late eighteenth century onwards.
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Fowler, Elizabeth. "Presence." In Poetry and the Built Environment. Oxford University PressOxford, 2024. http://dx.doi.org/10.1093/oso/9780192888990.003.0011.

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Abstract The final chapter develops the topic of Part Five’s “Virtual Injuries and Rewards” by turning to Kara Walker’s ephemeral installation, A Subtlety or the Marvelous Sugar Baby, a project that prominently cites medieval sculpture and ceremony. This both majestic and repellent confectionary sphinx, created in a decommissioned sugar warehouse in Brooklyn, embodies a sculptural ductus designed to reconfigure its viewers’ sensory experiences of sugar and of their own bodies. The monumental Sugar Baby issues a riposte to the rapacious Robert E. Lee monument in Richmond (discussed in the Introduction). At the same time that Sugar Baby evokes injurious cultural ghosts, it activates our proprioception and becomes a vibrant participant in our habitus. Its ambivalent evocations of disgust and cuteness combine in a ductus designed to bring its viewers to experience the virtual and real injuries we carry, produce, and perpetuate. Like the sphinx it echoes, Sugar Baby is an engine of presence, designed to make us aware of our sensory and social experience, to acknowledge its historicity while at the same time become more capable of unfixing its apparently inevitable meanings.
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Stead, Lisa. "“The Vivien Leigh room”." In Reframing Vivien Leigh. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780190906504.003.0007.

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Chapter 6 looks beyond the international and national stories of Vivien Leigh’s archives to examine her presence within one specific region: the South West of England. The chapter explores material collections in regional museums that house a range of artifacts and ephemera related to Leigh’s life. Through Leigh’s first in-laws, the Devon-based Holman family, a material history of her presence in the region has been retained and displayed in a range of local museums, including one founded by her former sister-in-law, Dorothy Holman. By delving into these museums and their collections and working closely with their curators, the chapter examines alternative stories of Leigh’s stardom. It considers the vernacular articulations of global stardom in local environments for local audiences, developed by distinctly localized curatorial agendas.
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Skardowska, Ewa. "Nowe ujęcie procesu twórczego w muzyce. Wewnętrzna polemika między założeniami estetycznymi a teraźniejszą rzeczywistością kryzysu." In Filozofia muzyki. Doświadczenie, poznanie, znaczenie. Wydawnictwo UNUM, 2022. http://dx.doi.org/10.21906/9788376432250.70.

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The creative artistic process linked to composing in modernity may now be viewed from different perspectives. Even though composing remains the central part of the creative process, there are other parts like artistic performance, improvisation, and sound engineering. The composer creating the composition will not be able to bring the composition to life without the help of the performer. The artistic process represents the idealistic triad of concepts: the beautiful, the true, and the good – the qualities that lead the artist’s inter-ego into the outer world. When the work is prompted by basic and felt emotions containing the creative spark, one sees the “content” of the “beautiful form” at the deepest level of the artistic soul. In the creative act, the formal element is the artist’s idea being passed on to the recipients. The creativity of artists-musicians in the times of the Covid pandemic 2019–2021 constantly develops into new forms and designs. In the reality of the art “Internet avant-garde,” the expansion of the virtual transmission becomes common. Today, the creative process, based on an attempt to recreate the ephemeral state of continuity and perfect union with music, seems to be dependent on new means of expression and streaming. Even though the category of artistic work has been modified in correlation with the world of transmitted data, the artistic works, by definition incongruent with the virtual reality, in times of crisis, must remain in dialog with it.
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Conference papers on the topic "Ephemeral DevOps"

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Aman, Amanda. "An Atlas of Ephemeral Geographies: Identity in the Alaskan Arctic." In 110th ACSA Annual Meeting Paper Proceedings. ACSA Press, 2022. http://dx.doi.org/10.35483/acsa.am.110.38.

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In both practice and academic pedagogy, the initial pro forma analysis of site performed in order to lay the groundwork for design has left the profession with an incredibly shallow and even inimical understanding of place. Physical geographies alongside the extension of human construct (buildings, street grids, nodes, axes, etc.) have become the framework for the reading of identity within place; identity, however, is driven by an array of agents traditional cartography often neglects. These agents are especially evidenced in geopolitically fragile environments within the arctic where an intimacy with place is rooted in diurnal and seasonal patterns and migrations, fleeting phenomena stemming from climatic arcs, ecological frameworks and sequencing, and histories and cultures tied directly to spatial landscapes. Without factoring these agents into analysis, these very places are left to be perceived against a fictional background that promotes singular architectural strategies and policy decisions devoid of equitable impacts.
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Erthal, Claudia. "Notions of Shock and Attention in Tik Tok videos." In LINK 2021. Tuwhera Open Access, 2021. http://dx.doi.org/10.24135/link2021.v2i1.102.

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This work seeks to understand how and if the entertainment experience obtained by watching videos on the Tik Tok social platform that uses editing and design tools, such as distortion filters for physical appearance and voice, is also an immersive experience that causes a shock to the user as understood by Walter Benjamin (2010) when this communicational subject is crossed by a sensation of the modern and that has, as a consequence, the disintegration of the aura in the experience of shock. According to Rouanet (1990) "the psychic instance in charge of capturing and absorbing the shock starts to dominate over the instances in charge of storing memory impressions”. In this case awareness has the function of "serving as protection against stimuli, sublimating impacts, maturing the fright into anguish or fun, so as not to succumb to amazement" (PEIXOTO, 1983) and can be linked to the production of content of fast circulation and absorption, made exclusively for social networks and platforms such as Tik Tok. Platforms that work with such design are also guided by the hands of users with content creation to shock an audience immersed in what is called Snack Culture (SCOLARI, 2020). As for a culture that develops a sensorial audiovisual content format, these contents provoke a sensory effect, a brief and ephemeral experience within a project that can be understood as artistic and created in a dynamic between playful and entertainment. The sensorial effect of these contents offers a unique and unprecedented experience, typical of an avant-garde work of art. In the 'contemporary arcades' of the Internet, videos from both Tik Tok and other platforms – with similar features - have similar tools created daily increasing the number of accesses, seeking to retain the media user and seem to attempt to lead the user to an immersive experience in an Attention Economy system as described by Jonathan Crary (2015) as something that “dissolve the separation between the personal and the professional, between entertainment and information, displaced by a compulsory functionality of communication inherently and inescapably 24/7.” Altogether with these ideas is the view of Simon Reynolds (2010) that popular culture has become a remix or rereading of something done before, based on any type of information available. Therefore, from this point of view, the reappropriation becomes infinite – something you see in Tik Tok videos. This text is built applied to the communicational practice of the use of platforms and is an attempt to understand the contemporary media paths that are outlined with the platform of culture. The platforms, a communication event in itself, raise questions about a new circulation of goods and gestures by communicational subjects who act on this frequency. It is a work that positions itself in the face of the contemporary urgency of the online life, its fast transformations and society's pursuits in a time that requires critical thinking about the moment we live in. to account for the moment in which we live.
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Panicucci, Paolo, Eleonora Andreis, Fabio Ornati, and Francesco Topputo. "Towards Validation and Verification of Autonomous Vision-Based Navigation for Interplanetary Spacecraft." In ESA 12th International Conference on Guidance Navigation and Control and 9th International Conference on Astrodynamics Tools and Techniques. ESA, 2023. http://dx.doi.org/10.5270/esa-gnc-icatt-2023-112.

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Abstract The number of spacecraft launched per year is increased dramatically in the last decades granting access to private companies and public actors. Space assets are becoming crucial to asses disaster monitoring, precise agriculture, and global network interconnections. This trend is not limited to Earth observation applications, but it extends beyond Earth's orbit to support space exploration and exploitation. The current paradigm to operate interplanetary spacecraft strongly relies on the Deep-Space Network (DSN) which communicates with the spacecraft to obtain range and range-rate measurements. These data are then processed by large teams of engineers on ground to solve the orbit determination problem and the required maneuvers. Although this process is extremely precise and has been used since the beginning of space exploration, the increasing number of spacecraft and the riskier operations needed to support compelling science are making it outdated. First, the DSN has a limited number of communication slots which implies that a small number of spacecraft can be operated. Second, the process is extremely costly as large teams of individuals are involved in it. Finally, the delayed communications between the spacecraft and the ground station make some operations, such as landing or sampling, infeasible as the spacecraft does not have the needed reactivity. Because of these reasons, autonomous navigation is becoming a crucial technology for present and future missions. Among all the navigation sensors, cameras are generally preferred because they are light, compact, and low-priced. For this reason, Vision-Based Navigation (VBN), i.e., the combination of camera and image processing (IP) algorithms, is generally employed as an autonomous solution to solve the navigation problem. When a spacecraft is on an interplanetary cruise, it can determine its position by using known planet position within the Solar System. When the planet lines of sight (LoS) measurements are available, the spacecraft can triangulate its position in the inertial reference frame by knowing the planet ephemeris. This can be performed statically [1, 2], when more than one planet is available, or dynamically, by providing the LoSes measurements history to a navigation filter [3, 4]. The planet LoS determination can be performed by extracting the planet position from images by performing attitude determination and by knowing the planet ephemeris [5, 6]. This is a fully autonomous solution as the spacecraft does not require any piece of information from ground. The proposed solution is thus composed of an IP pipeline, which determines autonomously its attitude and extracts the planet LoSes, and a navigation filter, which determines the spacecraft state by taking into account light aberrations [7]. An important step to be performed is the algorithm validation process which is generally performed by increasing the simulation framework complexity and by including hardware-in-the-loop (HIL) components. Andreis et al. [4] develops and analyses the navigation filtering strategy to be deployed on board by assuming IP behavioral model, while Andreis et al. [6] and Andreis et al. [5] develop the IP pipeline and test it on synthetic images from a custom-designed rendering engine [8]. Andreis et al. [7] further develop the VBN algorithm by proposing an integrated solution to compensate for light aberrations. Finally, Panicucci et al. [9] assesses the IP performances on images acquired on RETINA, a HIL optical navigation test bench. In this context, a high-resolution screen stimulates a camera to acquire images as they would be taken in orbit. Standing on previous work, this paper presents the validation of the VBN algorithm on HIL simulation. First, a series of images are acquired on RETINA by simulating the reference trajectory and the attitude profile of the spacecraft. These images are processed sequentially by the VBN algorithm. Spacecraft state estimates are compared against the true value to assess navigation accuracy. Acknowledgments This research is part of EXTREMA, a project that has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (Grant Agreement No. 864697). References [1] V. Franzese and F. Topputo. Optimal beacons selection for Deep-Space optical navigation. The Journal of the Astronautical Sciences, 67(4):1775–1792, 2020. doi: 10.1007/s40295-020-00242-z. [2] S. B. Broschart, N. Bradley, and S. Bhaskaran. Kinematic approximation of position accuracy achieved using optical observations of distant asteroids. Journal of Spacecraft and Rockets, 56 (5):1383–1392, 2019. doi: 10.2514/1.A34354. [3] R. R. Karimi and D. Mortari. Interplanetary autonomous navigation using visible planets. Journal of Guidance, Control, and Dynamics, 38(6):1151–1156, 2015. doi: 10.2514/1.G000575. [4] E. Andreis, V. Franzese, and F. Topputo. Onboard Orbit Determination for Deep-Space CubeSats. Journal of Guidance, Control, and Dynamics, pages 1–14, 2022. doi: 10.2514/1.G006294. [5] E. Andreis, P. Panicucci, and F. Topputo. An Image Processing Pipeline for Autonomous Deep-Space Optical Navigation. Journal of Spacecraft and Rockets, Under Review. [6] E. Andreis, P. Panicucci, V. Franzese, and F. Topputo. A Robust Image Processing Pipeline for Planets Line-Of-sign Extraction for Deep-Space Autonomous Cubesats Navigation. In 44th AAS Guidance, Navigation and Control Conference, pages 1–19, 2022. [7] E. Andreis, P. Panicucci, V. Franzese, and F. Topputo. A Vision-Based Navigation algorithm for Autonomous Deep-Space Cruise. In 3rd Space Imaging Workshop, 2022. [8] S. Bella, E. Andreis, V. Franzese, P. Panicucci, and F. Topputo. Line-of-Sight Extraction Algorithm for Deep-Space Autonomous Navigation. In 2021 AAS/AIAA Astrodynamics Specialist Conference, pages 1–18, 2021. [9] P. Panicucci, Andreis E., V. Franzese, and F. Topputo. An Overview of the EXTREMA Deep-Space Optical Navigation Experiment. In 3rd Space Imaging Workshop, 2022.
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