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IEEE International Conference on Cloud computing Technology and Science (CloudCom)

作者： Alain Hennebelle Qifan Dieng Leila Ismail Rajkumar Buyya Independent Researcher in Information Technology Systems and Artificial Intelligence Applications Abu Dhabi United Arab Emirates Cloud Computing and Distributed Systems (CLOUDS) Lab School of Computing and Information Systems University of Melbourne Melbourne Australia Department of Computer Science and Software Engineering Intelligent Distributed Computing and Systems (INDUCE) Lab College of Information Technology Emirates Center for Mobility Research National Water and Energy Center UAE University Al-Ain Abu Dhabi United Arab Emirates

ISBN: (数字)9798331507589

ISBN: (纸本)9798331507596

The Internet of Things (IoT) revolutionizes smart city domains such as healthcare, transportation, industry, and education. The Internet of Medical Things (IoMT) is gaining prominence, particularly in smart hospitals and Remote Patient Monitoring (RPM). The vast volume of data generated by IoMT devices should be analyzed in real-time for health surveillance, prognosis, and prediction of diseases. Current approaches relying on Cloud computing to provide the necessary computing and storage capabilities do not scale for these latency-sensitive applications. Edge computing emerges as a solution by bringing cloud services closer to IoMT devices. This paper introduces SmartEdge, an AI-powered smart healthcare end-to-end integrated edge and cloud computing system for diabetes prediction. This work addresses latency concerns and demonstrates the efficacy of edge resources in healthcare applications within an end-to-end system. The system leverages various risk factors for diabetes prediction. We propose an Edge and Cloud-enabled framework to deploy the proposed diabetes prediction models on various configurations using edge nodes and main cloud servers. Performance metrics are evaluated using, latency, accuracy, and response time. By using ensemble machine learning voting algorithms we can improve the prediction accuracy by 5% versus a single model prediction.

关键词： Cloud computing Accuracy Smart cities Computational modeling Transportation industry Surveillance Machine learning Predictive models Diabetes Time factors

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Dfier: A Directed Vulnerability Verifier for Ethereum Smart Contracts

SSRN

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SSRN 2023年

作者： Wang, Zeli Dai, Weiqi Li, Ming Choo, Kim-Kwang Raymond Zou, Deqing Chongqing Key Laboratory of Computational Intelligence Key Laboratory of Big Data Intelligent Computing Key Laboratory of Cyberspace Big Data Intelligent Security Ministry of Education College of Computer Science and Technology Chongqing University of Posts and Telecommunications Chongqing40065 China National Engineering Research Center for Big Data Technology and System Services Computing Technology and System Lab Hubei Engineering Research Center on Big Data Security Hubei Key Laboratory of Distributed System Security Hubei Engineering Research Center on Big Data Security School of Cyber Science and Engineering Huazhong University of Science and Technology Wuhan430074 China Department of Information Systems and Cyber Security University of Texas at San Antonio San Antonio United States

Existing smart contract vulnerability identification approaches mainly focus on complete program detection. Consequently, lots of known potentially vulnerable locations need manual verification, which is energy-exhaustive and error-prone. Fuzzing is an effective way to detect vulnerabilities. However, current fuzzers cannot effectively probe these suspicious targets because they overlook two key factors: exploring all paths toward the targets and providing high-quality directed seed inputs. This paper presents a Directed vulnerability veriFier (DFier), elaborating effective transaction sequences with directed inputs for the fuzzer, to focus on analyzing target paths and automatically detect whether the given locations are vulnerable. Specifically, DFier fuses the effectiveness of static analysis and the efficiency of fuzzing. The static analysis helps locate target paths and generate directed inputs for the fuzzer under three heuristic strategies. The first prefers inputs with the larger possibility of triggering potential vulnerabilities based on target features. The second guides the value mutation to satisfy the path constraints. The third adequately leverages execution information to help find exploits faster. Extensive experiments demonstrate that DFier is effective in verifying contract security, compared with three existing contract fuzzers (i.e., contractFuzzer, sFuzz, and conFuzzius). And the performance losses are in an acceptable range. © 2023, The Authors. All rights reserved.

关键词： Smart contract

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An Alternate Approach for Designing a Domain Specific Image Search Prototype Using Histogram

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Journal of Software Engineering and Applications 2013年第3期6卷 131-139页

作者： Sukanta Sinha Rana Dattagupta Debajyoti Mukhopadhyay Web Intelligence and Distributed Computing Research Lab Kolkata India

Everyone knows that thousand of words are represented by a single image. As a result, image search has become a very popular mechanism for the web-searchers. Image search means, the search results are produced by the search engine should be a set of images along with their web-page Unified Resource Locator (URL). Now web-searcher can perform two types of image search, they are “Text to Image” and “Image to Image” search. In “Text to Image” search, search query should be a text. Based on the input text data, system will generate a set of images along with their web-page URL as an output. On the other hand, in “Image to Image” search, search query should be an image and based on this image, system will generate a set of images along with their web-page URL as an output. According to the current scenarios, “Text to Image” search mechanism always not returns perfect result. It matches the text data and then displays the corresponding images as an output, which is not always perfect. To resolve this problem, web researchers have introduced the “Image to Image” search mechanism. In this paper, we have also proposed an alternate approach of “Image to Image” search mechanism using Histogram.

关键词： Domain Specific Crawling Histogram Gray-Scale Image Image Search Ontology Search Engine

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Constraint driven stratification of RDF with hypergraph graph (HG(2)) data structure

Constraint driven stratification of RDF with hypergraph grap...

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3rd International Conference on Advances in computing, Communication and Control, ICAC3 2013

作者： Munshi, Shiladitya Chakraborty, Ayan Mukhopadhyay, Debajyoti Meghnad Saha Institute of Technology Kolkata India Techno India College of Technology Kolkata India Maharastra Institute of Technology Pune India Web Intelligence and Distributed Computing Research Lab Golfgreen Kolkata 700095 India

ISBN: (纸本)9783642363207

Current paper introduces a Constraint Driven Stratificatified Model for RDF with Hypergraph-Graph (HG(2)) model of data storage which can be represented as a hybrid data structure based on Hypergraph and Graph. In general, the schema component of RDF i,e RDFS is unstratified in nature. In order to establish a sustained information integration of RDF and Topic Map or other stratified semantic metamodel, imposing some constraints on RDF (without any semantic loss) evolves as an imperative pre condition. While HG(2) data structure is claimed to realize complex combinatorial structures, the current investigation reports a novel HG(2) based model for constraint driven stratification of RDF without any loss of semantic expressiveness. © 2013 Springer-Verlag Berlin Heidelberg.

关键词： Data structures

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Theories of Hypergraph-Graph (HG(2)) Data Structure

Theories of Hypergraph-Graph (HG(2)) Data Structure

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International Conference on Cloud & Ubiquitous computing & Emerging Technologies (CUBE)

作者： Shiladitya Munshi Ayan Chakraborty Debajyoti Mukhopadhyay Meghnad Saha Institute of Technology Kolkata India Web Intelligence and Distributed Computing research Lab Golfgreen Kolkata India Techno India College of Technology Kolkata India Web Intelligence and Distributed Computing research Lab Golfgreen Kolkata India Maharastra Institute of Technology Pune India Web Intelligence and Distributed Computing research Lab Golfgreen Kolkata India

Current paper introduces a Hyper graph-Graph (HG(2)) model of data storage which can be represented as a hybrid data structure based on Hyper graph and Graph. The proposed data structure is claimed to realize complex combinatorial structures. The formal definition of the data structure is presented along with the proper justification from real world scenarios. The paper reports some elementary concepts of Hyper graph and presents theoretical aspects of the proposed data structure including the concepts of Path, Cycle etc. The detailed analysis of weighted HG(2) is presented along with discussions on Cost involved with HG(2) paths.

关键词： Connectors Data structures Complexity theory Data models Joining processes distributed computing Electronic mail

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Integrating RDF into Hypergraph-Graph (HG(2)) Data Structure

Integrating RDF into Hypergraph-Graph (HG(2)) Data Structure

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International Conference on Cloud & Ubiquitous computing & Emerging Technologies (CUBE)

作者： Shiladitya Munshi Ayan Chakraborty Debajyoti Mukhopadhyay Web Intelligence and Distributed Computing research Lab Kolkata India Techno India College of Technology Kolkata India Maharastra Institute of Technology Pune India

Current paper discusses the methodologies involved in integrating Resource Description Framework (RDF) into a Hyper Graph - Graph (HG(2)) data structure in order to preserve the semantics of the information contained in RDF document for dealing future cross platform information portability issues. The entire semantic web is mostly dominated by few information frameworks like RDF, Topic Map, OWL etc. Hence semantic web currently faces the problem of non existence of common information meta-model which can integrate them all for expanded semantic search. On the background of development of Hyper Graph - Graph (HG(2)) data structure, an RDF document if integrated to it, maintains the original semantics and exposes some critical semantic and object mapping lift as well which could further be exploited for semantic search and information transitional problems. The focus of the paper is to present the mapping constructs between RDF elements and Hyper Graph - Graph (HG(2)) elements.

关键词： Resource description framework Semantics Data structures Connectors Complexity theory

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Searching and Establishment of S-P-O Relationships for Linked RDF Graphs: An Adaptive Approach

Searching and Establishment of S-P-O Relationships for Linke...

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International Conference on Cloud & Ubiquitous computing & Emerging Technologies (CUBE)

作者： Ayan Chakraborty Shiladitya Munshi Debajyoti Mukhopadhyay Dept. of Computer Science Engineering Techno India College of Technology Kolkata India Web Intelligence & Distributed Computing Research Lab Kolkata India

In the coming era of semantic web linked data analysis is a very burning issue for efficient searching and retrieval of information. One way of establishing this link is to implement subject-predicate-object relationship through Set Theory approach which is already done in our previous work. For analyzing inter-relationship between two RDF Graphs, RDFSchema(RDFS) should also be taken care of. In the present paper, an adaptive combination rule based framework has been proposed for establishment of S-P-O (Subject-Predicate-Object)relationship and RDF Graph searching is reported. Hence the identification of criteria for inter-relationship of RDF Graphs opens up new road in semantic search.

关键词： Resource description framework Semantics Search problems Data models Green products

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A practitioner's approach to software system design

A practitioner's approach to software system design

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International Symposium on Electronic System Design

作者： Mukhopadhyay, Debajyoti Web Intelligence and Distributed Computing Research Lab. Calcutta Business School D.H. Road Bishnupur 743503 India

ISBN: (纸本)9780769542942

How to design an efficient and cost effective software system is a million dollar question to every software engineer. The challenges lie in the fact that there is no such fixed rules and regulations, following which will produce an efficient software system. Practitioners have proposed many solutions to address this issue. In this discussion, we will try to touch base on some of the vital points which a practitioner is encouraged to adapt in order to lead a team of software engineers to produce cost effective efficient system. © 2010 IEEE.

关键词： Cost effectiveness

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A Practitioner's Approach to Software System Design

A Practitioner's Approach to Software System Design

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International Symposium on Electronic System Design (ISED)

作者： Debajyoti Mukhopadhyay Web Intelligence & Distributed Computing Research Lab Calcutta Business School Bishnupur India

关键词： Computers Software engineering Databases Software systems System analysis and design Programming

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Mining the web with hierarchical crawlers - A resource sharing based crawling approach

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International Journal of Intelligent Information and Database Systems 2009年第1期3卷 90-106页

作者： Kundu, Anirban Dutta, Ruma Dattagupta, Rana Mukhopadhyay, Debajyoti Netaji Subhash Engineering College West Bengal University of Technology West Bengal-700 152 India Web Intelligence and Distributed Computing Research Lab. WIDiCoReL Green Tower C-9/1 Golf Green Calcutta-700095 India Jadavpur University West Bengal-700 032 India Calcutta Business School Diamond Harbour Road Bishnupur West Bengal-743 503 India

An important component of any web search engine is its crawler, which is also known as robot or spider. An efficient set of crawlers make any search engine more powerful, apart from its other measures of performance, such as its ranking algorithm, storage mechanism, indexing techniques, etc. In this paper, we have proposed an extended technique for crawling over the World Wide web (WWW) on behalf of a search engine. This is an approach with multiple crawlers working in parallel combined with the mechanism of focused crawling (Chakrabarti et al., 1999a, 2002;Mukhopadhyay et al., 2006). In this approach, the total structure of any website is divided into several number of levels based on the hyperlink-structure for downloading web pages from that website (Chakrabarti et al., 1999b;Mukhopadhyay and Singh, 2004). The number of crawlers of each level is not fixed, rather dynamic in this context. It is determined at execution time on demand basis using threaded program based on the number of hyperlinks of a specific web page. This paper also proposes a focused hierarchical crawling technique, where crawlers are created dynamically at runtime for different domains to crawl the web pages with the essence of resource sharing. Copyright © 2009, Inderscience Publishers.

关键词： websites

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