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Reproducible Performance Optimization of Complex Applications on the Edge-to-Cloud Continuum
[article]
2021
arXiv
pre-print
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Our approach relies on a rigorous analysis of possible configurations in a controlled testbed environment to understand their behaviour and related performance trade-offs. ...
In more and more application areas, we are witnessing the emergence of complex workflows that combine computing, analytics and learning. ...
Experiments presented in this paper were carried out using the Grid'5000 testbed, supported by a scientific interest group hosted by Inria and including CNRS, RENATER and several Universities as well as ...
arXiv:2108.04033v1
fatcat:2y5sc4mdnrcujpco6upcqvfkpy
X-search
2017
Proceedings of the 18th ACM/IFIP/USENIX Middleware Conference on - Middleware '17
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attacks; and (3) from the performance perspective, X-Search outperforms its competitors both in terms of latency and throughput by orders of magnitude. ...
The exploitation of user search queries by search engines is at the heart of their economic model. ...
Rafael Pires is also sponsored by CNPq, National Counsel of Technological and Scientific Development, Brazil. ...
doi:10.1145/3135974.3135987
dblp:conf/middleware/MokhtarBFPPS17
fatcat:coyko2m67vcnllruu2cbgp47uy
Fog-based Spider Web Algorithm to Overcome Latency in Cloud Computing
2020
Iraqi Journal of Science
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The cloud-users are getting impatient by experiencing the delays in loading the content of the web applications over the internet, which is usually caused by the complex latency while accessing the cloud ...
In this manuscript, we propose a Fog-based Spider Web Algorithm (FSWA), a heuristic approach which reduces the delays time (DT) and enhances the response time (RT) during the workflow among the various ...
In this manuscript, we highlight some of the issues such as complex latencies and response and searching time that cloud computing end-users are facing. ...
doi:10.24996/ijs.2020.61.7.27
fatcat:6ja7xylelbbclgmc27pseqdypq
An Overview of Cloud Based Content Delivery Networks: Research Dimensions and State-of-the-Art
[chapter]
2015
Lecture Notes in Computer Science
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In this regard, we present an overview of cloud-based CDN followed by a detailed discussion on open challenges and research dimensions. ...
Unlike traditional CDNs hosted on private data centers, cloud-based CDNs take advantage of the geographical availability and the pay-as-you-go model of cloud platforms. ...
In today"s dynamic Internet landscape, it is more important than ever for content and service providers to understand the requirements and demands of users. ...
doi:10.1007/978-3-662-46703-9_6
fatcat:xnkkbfdj35gklkcrdwdpatda2a
A tale of the tails: Power-laws in internet measurements
2013
IEEE Network
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Power-laws are ubiquitous in the Internet and its applications. This tutorial presents a review of power-laws with emphasis on observations from Internet measurements. ...
We observe that despite the challenges posed, power-laws have been effectively leveraged by researchers to improve the design and performance of Internet-based systems. ...
The idea of hubs and authorities was used for ranking Web pages in one of the early search mechanisms [11] . ...
doi:10.1109/mnet.2013.6423193
fatcat:qaneoc2h5fclvh73rkb64vlgwa
COST SIMULATION AND PERFORMANCE OPTIMIZATION OF WEB-BASED APPLICATIONS ON MOBILE CHANNELS
2006
International journal of software engineering and knowledge engineering
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will impact the user experience and the cost of using the application. ...
From the simulated volume and time data, we can then calculate the cost of accessing the application on a mobile channel, and derive suitable approaches for optimizing cost and response times. ...
Acknowledgements The authors would like to thank Clemens Schäfer and Daniel Trabold for their input on the local proxy optimization approach. ...
doi:10.1142/s021819400600294x
fatcat:qq6ivsyayrhxbajzvrmlakjave
Measuring Web Quality of Experience in Cellular Networks
[chapter]
2019
Msphere
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we present the overall findings on web latency and the impact of cache presence on web latency, respectively. Following that, in Section 4.4, we discuss the longitudinal observations on web latency. ...
In Section 4.5 and 4.6, we present the impact of throughput on web latency, and the web latency between different regions, respectively. Finally, Section 4.7 discusses the findings on the web QoE. ...
doi:10.1007/978-3-030-15986-3_2
fatcat:ssb34hgtebhjhl2sh5ectc77fm
Evaluating context-aware user interface migration in multi-device environments
2013
Journal of Ambient Intelligence and Humanized Computing
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During a single day, people can use a smartphone, tablet, PC and a TV, sequentially or simultaneously, depending on the context of use. ...
In this paper, we present a solution for migrating user interface and maintaining the interaction session across devices when changing situations. ...
Acknowledgments The support from the European Union ARTE-MIS Smarcos project (2012) is gratefully acknowledged. ...
doi:10.1007/s12652-013-0214-7
fatcat:rahqvft4r5aopb3jmwg26v5alq
All One Needs to Know about Metaverse: A Complete Survey on Technological Singularity, Virtual Ecosystem, and Research Agenda
[article]
2021
arXiv
pre-print
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In terms of applications, the metaverse ecosystem allows human users to live and play within a self-sustaining, persistent, and shared realm. ...
Since the popularisation of the Internet in the 1990s, the cyberspace has kept evolving. ...
impact the user behaviours and decision making [656] (More details in Section XV-C). ...
arXiv:2110.05352v3
fatcat:pv4fxf5lfbc7vk3ogsyidwfloy
Case Studies in Application Placement and Infrastructure Optimisation
[chapter]
2020
The Cloud-to-Thing Continuum
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This chapter presents four case studies each illustrating an implementation of one or more RECAP subsystems. ...
The first case study illustrates how RECAP can be used for infrastructure optimisation for a 5G network use case. The second case study explores application ...
As discussed earlier, the deployed LKN search service stack consists of a web server where the users input their queries and an ES cluster which is responsible for the search and returning the response ...
doi:10.1007/978-3-030-39863-7_6
fatcat:vvbqfldcx5gpjezc3w6wt73cce
NeuralQA: A Usable Library for Question Answering (Contextual Query Expansion + BERT) on Large Datasets
[article]
2020
arXiv
pre-print
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Finally, it offers a flexible user interface to support workflows for research explorations (e.g., visualization of gradient-based explanations to support qualitative inspection of model behaviour) and ...
They can be complex to set up or integrate with existing infrastructure, do not offer configurable interactive interfaces, and do not cover the full set of subtasks that frequently comprise the QA pipeline ...
Acknowledgments The author thanks Melanie Beck, Andrew Reed, Chris Wallace, Grant Custer, Danielle Thorpe and other members of the Cloudera Fast Forward team for their valuable feedback. ...
arXiv:2007.15211v2
fatcat:q5wnqc6awzdw7nsxoyl4ehlb4u
Literature Review of Computer Tools for the Visually Impaired: a focus on Search Engines
[article]
2020
arXiv
pre-print
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A sudden reliance on the internet has resulted in the global standardization of specific software and interfaces tailored for the average user. ...
Due to the variety of tools that are available to computer users, the paper focuses on search engines as a primary tool for browsing the web. ...
Developers should also leverage user-oriented techniques since a user's context, history, or trail can impact future searches
Primary Attributes of Tools A collection of attributes is described below ...
arXiv:2010.11163v1
fatcat:72s5ps5765bdbmhu3azev5e4iu
Next Generation Repositories: Behaviours And Technical Recommendations Of The Coar Next Generation Repositories Working Group
[article]
2017
Zenodo
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In order to leverage the value of the repository network, we need to equip it with a wider array of roles and functionalities, which can be enabled through new levels of web-centric interoperability. ...
However, repository platforms are still using technologies and protocols designed almost twenty years ago, before the boom of the Web and the dominance of Google, social networking, semantic web and ubiquitous ...
User stories related to this behaviour As a user, I want to discover repository materials of interest via aggregators or other search services such as BASE, CORE, OpenAIRE, and so on. ...
doi:10.5281/zenodo.1215014
fatcat:rjg7zqke4fb5robdavzs3wc5yu
A Cache-based Optimizer for Querying Enhanced Knowledge Bases
[article]
2018
arXiv
pre-print
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Efficient discovery and querying such knowledge remains a key challenge due to the limited capability and high latency of connections to the interfaces of knowledge bases, e.g., the SPARQL endpoints. ...
The evaluations on query sets from SPARQL endpoints of DBpedia and Linked GeoData showcase the effectiveness of our approach. ...
Future work directions include: i) more experimental studies using large-scale Web data, ii) online learning techniques to deal with the dynamicity of Web data, and iii) investigation of user behaviours ...
arXiv:1807.08461v1
fatcat:2fz56iwrlbbtvkjzul7nexmjui
Efficient Query Processing for Scalable Web Search
2018
Foundations and Trends in Information Retrieval
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In satisfying the information needs of millions of users, the effectiveness (the quality of the search results) and the efficiency (the speed at which the results are returned to the users) of a search ...
A key detail of the manner in which a search engine is designed to operate is the "topheavy nature" of results: since the users of search engines typically focus on the top-ranked results (as can be measured ...
Acknowledgements We would like to thank Maarten de Rijke for his patience and encouragements during the preparation of this manuscript, as well as the three anonymous reviewers for their constructive suggestions ...
doi:10.1561/1500000057
fatcat:wx53qhvfhnfwfc4hgdva5ypw3u
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