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A comprehensive review from sequential association computing to Hadoop-MapReduce parallel computing in a retail scenario

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Journal of Management Analytics 2017年第4期4卷 359-392页

作者： Neha verma Jatinder Singh Department of Computer Science and Engineering I K Gujral Punjab Technical UniversityPunjabIndia

Today,the customer’s requirements are entirely *** big retail organizations are facing sudden decline in the sales and revenues caused due to indecisive and erratic purchasing habits of recent generation of users,as they get abundant preferred information such as cheaper rates,amazing offers,discounts,comparison of similar products,*** their smartphones or laptops hence they straightaway place order instead of walking down to *** a result,large companies such as Tesco,Wal-Mart,Target,*** realized that it is requisite to shake hands with startup firms which already supports platform to retain customers either via deep exploration of transactional data or by offering lucrative offers in the benefit of customer and to promote market *** data which are generated from consumer purchase pattern,Big Data is a concern for companies as a result various big retail organizations are applying advanced and scalable data mining algorithms to precisely store and evaluate data in real-time manner to boost market basket *** research work discusses various improved association rule mining(ARM)*** objective of this study is to identify gaps,providing opportunities for new research,to recognize expansion of Big Data analytics with retail environment and its future *** paper assimilates various aspects of parallel ARM algorithm for market basket analysis against sequential and distributed nature which are further escalated to Hadoop and MapReduce computing *** various use cases highlighting the need of‘Big Data Retail Analytics’are discussed for emerging trends to promote sales and revenues,to keep check on competitor’s websites,comparison of various brands,enticing new customers.

关键词： Big Data Big Data retail analytics Hadoop and MapReduce Apriori algorithm association rule mining market basket analysis

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FedRec:Trusted rank-based recommender scheme for service provisioning in federated cloud environment

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Digital Communications and Networks 2023年第1期9卷 33-46页

作者： Ashwin verma Pronaya Bhattacharya Umesh Bodkhe Deepti Saraswat Sudeep Tanwar Kapal Dev Department of Computer Science and Engineering Institute of TechnologyNirma UniversityAhmedabadGujarat382481India Department of Institute of Intelligent Systems University of JohannesburgPO Box 524South Africa

The emergence of on-demand service provisioning by Federated Cloud Providers(FCPs)to Cloud Users(CU)has fuelled significant innovations in cloud provisioning *** to the massive traffic,massive CU resource requests are sent to FCPs,and appropriate service recommendations are sent by ***,the FourthGeneration(4G)-Long Term Evolution(LTE)network faces bottlenecks that affect end-user throughput and ***,the data is exchanged among heterogeneous stakeholders,and thus trust is a prime *** address these limitations,the paper proposes a Blockchain(BC)-leveraged rank-based recommender scheme,FedRec,to expedite secure and trusted Cloud Service Provisioning(CSP)to the CU through the FCP at the backdrop of base 5G communication *** scheme operates in three *** the first phase,a BCintegrated request-response broker model is formulated between the CU,Cloud Brokers(BR),and the FCP,where a CU service request is forwarded through the BR to different *** service requests,Anything-as-aService(XaaS)is supported by 5G-enhanced Mobile Broadband(eMBB)*** the next phase,a weighted matching recommender model is proposed at the FCP sites based on a novel Ranking-Based Recommender(RBR)model based on the CU *** the final phase,based on the matching recommendations between the CU and the FCP,Smart Contracts(SC)are executed,and resource provisioning data is stored in the Interplanetary File Systems(IPFS)that expedite the block *** proposed scheme FedRec is compared in terms of SC evaluation and formal *** simulation,FedRec achieves a reduction of 27.55%in chain storage and a transaction throughput of 43.5074 Mbps at 150 *** the IPFS,we have achieved a bandwidth improvement of 17.91%.In the RBR models,the maximum obtained hit ratio is 0.9314 at 200 million CU requests,showing an improvement of 1.2%in average servicing latency over non-RBR models and a maximization trade-off of QoE index of 2.76

关键词： Blockchain 5G-enhanced mobile broadband Federated clouds Rank-based recommender model Smart contracts

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Role of endoscopy in surgical management of cholesteatoma:A systematic review

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Journal of Otology 2020年第4期15卷 166-170页

作者： Bhavika verma Yogesh G.Dabholkar Department of ENT School of MedicineD.Y.Patil UniversityNavi MumbaiIndia

Endoscopes are increasingly being used in cholesteatoma surgeries either as an adjunct to microscopes or sometimes *** role at present is more as adjunct to microscope which still remains the work-horse for ***,as endoscopy and endoscopic instruments are increasingly getting refined,role of endoscopy in management of cholesteatoma is continuously being appraised with progressively newer *** review aims to assess outcomes of several studies in which endoscopic techniques were used in cholesteatoma surgery and recognize common *** extensive review of literature on this theme was *** studies comprising of 1685 patients treated endoscopically either exclusively or in combination with microscope were ***-operatively,in 267(15.82%)cases,residual cholesteatoma was identified by endoscope in hidden areas after completion of surgery with *** follow-up,recidivism was identified in 108 cases(6.4%)in second look *** sites of recurrence were hidden areas like sinus *** review while acknowledging the value of microscope,highlights the merit of endoscope usage in cholesteatoma surgery and its role in reducing recurrence.

关键词： Endoscopic ear surgery Systematic review Adjunctive endoscopy Cholesteatoma Mastoidectomy Recurrence

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Utility of starchy,lignocellulosics and cellulosics hydrolysates on cellulase production under liquid state fermentation

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Waste Disposal and Sustainable Energy 2019年第4期1卷 289-299页

作者： Nitin verma Vivek Kumar M.C.Bansal Department of Paper Technology Indian Institute of TechnologyRoorkee Saharanpur CampusSaharanpurUttar Pradesh 247001India

Starch is one of the most abundant renewable carbohydrate reserves of higher *** can be used to produce many valuable food products in the food processing ***,starch is also used as an important feedstock in the fermentation industry to produce value-added *** materials such as agriculture and forestry wastes are considered as a renewable feedstock for bioenergy production through a biochemical conversion *** lignocellulosic biomass into fuels and chemicals entail a physicochemical pretreatment of the biomass,followed by enzymatic hydrolysis of the polysaccharide components such as cellulose and hemicellulose into monomeric *** sugars can then be further fermented into other desired compounds of *** the deconstruction processes,various inhibitory compounds are released due to the partial over-degradation of lignocellulose biomass,which inhibits the cell growth and metabolic capacity of fermenting *** materials such as waste paper in large quantities can also be used as potentially cheap feedstock for sustainable production of value-added *** present investigation is mainly focused on the utility of starchy hydrolysates(wheat,potato,and rice)and lignocellulosics hydrolysates(bagasse and wheat straw)in cellulase production under liquid state *** also depicts the potential of cellulosic hydrolysate(waste newspaper)in product formation.

关键词： Starch hydrolysate Bagasse hydrolysate Wheat straw hydrolysate Waste newspaper hydrolysate Cellulases

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Surviving the odds: From perception to survival of fungal phytopathogens under host-generated oxidative burst

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Plant Communications 2021年第3期2卷 38-54页

作者： Yeshveer Singh Athira Mohandas Nair Praveen Kumar verma Plant Immunity Laboratory National Institute of Plant Genome ResearchAruna Asaf Ali MargNew Delhi 110067India School of Life Sciences Jawaharlal Nehru UniversityNew Delhi 110067India

Fungal phytopathogens pose a serious threat to global crop *** a handful of strategies are available to combat these fungal infections,and the increasing incidence of fungicide resistance is making the situation ***,the molecular understanding of plant–fungus interactions remains a primary focus of plant *** of the hallmarks of host–pathogen interactions is the overproduction of reactive oxygen species(ROS)as a plant defense mechanism,collectively termed the oxidative *** general,high accumulation of ROS restricts the growth of pathogenic organisms by causing localized cell death around the site of *** survive the oxidative burst and achieve successful host colonization,fungal phytopathogens employ intricate mechanisms for ROS perception,ROS neutralization,and protection from ROS-mediated ***,these countermeasures maintain the physiological redox homeostasis that is essential for cell *** addition to intracellular antioxidant systems,phytopathogenic fungi also deploy interesting effector-mediated mechanisms for extracellular ROS *** aspect of plant–pathogen interactions is significantly under-studied and provides enormous scope for future *** adaptive responses,broadly categorized into“escape”and“exploitation”mechanisms,are poorly *** this review,we discuss the oxidative stress response of filamentous fungi,their perception signaling,and recent insights that provide a comprehensive understanding of the distinct survival mechanisms of fungal pathogens in response to the host-generated oxidative burst.

关键词： reactive oxygen species(ROS) oxidative stress response fungal effectors stress signaling plant-pathogen interactions

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Analysis of Security Vulnerabilities and Countermeasures of Ethernet Passive Optical Network(EPON)

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China Communications 2007年第3期4卷 17-29页

作者： Stamatios V.Kartalopoulos Pramode K.verma School of Electrical and Computer Engineering Telecommunications Systems Program University of Oklahoma-Tulsa Tulsa OK 74135 USA

Ethernet-based Passive Optical Network(EPON) is considered a very promising solution for the first mile problem of the next generation *** to its particular characteristic of shared media structure,EPON suffers many security vulnerabilities. Communication security must be guaranteed when EPON is applied in *** paper gives a general introduction to the EPON system,analyzes the potential threats and attacks pertaining to the EPON system,and presents effective countermea-sures against these threats and attacks with emphasis on the authentication protocols and key distribution.

关键词： EPON security vulnerabilities attacks countermeasures authentication protocols key distribution

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Silicon and Nitric Oxide-Mediated Regulation of Growth Attributes, Metabolites and Antioxidant Defense System of Radish (Raphanus sativus L.) under Arsenic Stress

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Phyton-International Journal of Experimental Botany 2023年第3期92卷 763-782页

作者： Savita Bhardwaj Tunisha verma Ali Raza Dhriti Kapoor Department of Botany School of Bioengineering and BiosciencesLovely Professional UniversityPhagwara144411India College of Agriculture Fujian Agriculture and Forestry University(FAFU)Fuzhou350002China

Arsenic(As)contaminated food chains have emerged as a serious public concern for humans and animals and are known to affect the cultivation of edible crops throughout the ***,the present study was designed to investigate the individual as well as the combined effects of exogenous silicon(Si)and sodium nitroprusside(SNP),a nitric oxide(NO)donor,on plant growth,metabolites,and antioxidant defense systems of radish(Raphanus sativus L.)plants under three different concentrations of As stress,i.e.,0.3,0.5,and 0.7 mM in a pot *** results showed that As stress reduced the growth parameters of radish plants by increasing the level of oxidative stress markers,i.e.,malondialdehyde and hydrogen ***,foliar application of Si(2 mM)and pretreatment with SNP(100μM)alone as well as in combination with Si improved the plant growth parameters,i.e.,root length,fresh and dry weight of plants under As ***,As stress also reduced protein,and metabolites contents(flavonoids,phenolic and anthocyanin).Activities of antioxidative enzymes such as catalase(CAT),ascorbate peroxidase(APX),guaiacol peroxidase(POD),and polyphenol oxidase(PPO),as well as the content of non-enzymatic antioxidants(glutathione and ascorbic acid)decreased under As *** most of the parameters in radish,As III concentration showed maximum reduction,as compared to As I and II ***,the individual and combined application of Si and NO significantly alleviated the As-mediated oxidative stress in radish plants by increasing the protein,and metabolites *** in the activities of CAT,APX,POD and PPO enzymes were *** of glutathione and ascorbic acid were also enhanced in response to co-application of Si and NO under As *** obtained were more pronounced when Si and NO were applied in combination under As stress,as compared to their individual *** short,the current study highlights that Si and NO synergisticall

关键词： Antioxidant defense system oxidative stress metal stress metabolism reactive oxygen species crop productivity

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Fuzzy Logic Based Group Maturity Rating for Software Performance Prediction

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International Journal of Automation and computing 2007年第4期4卷 406-412页

作者： A.K.verma Anil R Om Prakash Jain Indian Institute of Technology Bombay PowaiMumbai 400076India Larsen & Toubro Infotech Limited PowaiMumbai 400072India

Driven by market requirements, software services organizations have adopted various software engineering process models （such as capability maturity model （CMM）, capability maturity model integration （CMMI）, ISO 9001：2000, etc.） and practice of the project management concepts defined in the project management body of knowledge. While this has definitely helped organizations to bring some methods into the software development madness, there always exists a demand for comparing various groups within the organization in terms of the practice of these defined process models. Even though there exist many metrics for comparison, considering the variety of projects in terms of technology, life cycle, etc., finding a single metric that caters to this is a difficult task. This paper proposes a model for arriving at a rating on group maturity within the organization. Considering the linguistic or imprecise and uncertain nature of software measurements, fuzzy logic approach is used for the proposed model. Without the barriers like technology or life cycle difference, the proposed model helps the organization to compare different groups within it with reasonable precision.

关键词： Group maturity rating fuzzy logic fuzzy sets historical data software projects.

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Numerical study of fractional model of multi-dimensional dispersive partial differential equation

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Journal of Ocean Engineering and Science 2019年第4期4卷 338-351页

作者： Vijay verma Amit Prakash Devendra Kumar Jagdev Singh Department of Mathematics Pt.C.L.S.Govt.(PG)CollegeKarnalHaryanaIndia Department of Mathematics National Institute of TechnologyKurukshetra 136119India Department of Mathematics University of RajasthanJaipur 302004RajasthanIndia Department of Mathematics JECRC UniversityJaipur 303905RajasthanIndia

This article is devoted to a newly introduced numerical method for time-fractional dispersive partial differential equation in a multidimensional *** time-fractional dispersive partial differential equation plays a great role in solving the problems arising in ocean science and *** numerical technique comprises of Sumudu transform,homotopy perturbation scheme and He’s polynomial,namely homotopy perturbation Sumudu transform method(HPSTM)is efficiently used to examine time-fractional dispersive partial differential equation of third order in multi-dimensional *** approximate analytic solution of the time-fractional dispersive partial differential equation of third-order in multi-dimensional space obtained by HPSTM is compared with exact solution as well as the solution obtained by using Adomain decomposition *** results derived with the aid of two techniques are in a good agreement and consequently these techniques may be considered as an alternative and efficient approach for solving fractional partial differential *** test problems are experimented to confirm the accuracy and efficiency of the proposed methods.

关键词： Homotopy perturbation method Fractional trigonometric function He’s polynomials Adomian decomposition method Sumudu transform

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Root Structure,Distribution and Biomass in Five Multipurpose Tree Species of Western Himalayas

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Journal of Mountain Science 2014年第2期11卷 519-525页

作者： Kartar Singh verma Sandeep KOHLI Rajesh KAUSHAL Om Parkash CHATURVEDI Department of Silviculture and Agroforestry Dr Yashwant Singh Parmar University of Horticulture & Forestry Plant Science Division Central Soil and Water Conservation Reserach & Training Institute

【Title】【Author】【Addresses】1The tree root distribution pattern and biomass of seventeen year old trees of Grewia optiva, Morus alba, Celtis australis, Bauhinia variegata and Robinia pseudoacacia were studied by excavation method. B. variegata roots penetrated to a maximum depth of 4.78 m, whereas, M. alba roots were found down to 1.48 m depth. Lateral spread was minimum in B. variegata （1.10 m）and maximum inR. pseudoacacia （7.33 m）. Maximum root biomass of 6.30 kg was found in R. pseudoacacia and minimum （2.43 kg） was found in M. alba. For four species viz.,G. optiva, M. alba, C. australis andR. pseudoacacia, 68%-87% root biomass occurred within top 0-30 cm soil depth, but forB. variegata this was only45%. The soil binding factor was maximum in G. optiva and minimum in B. variegata. Soil physico-chemical properties also showed wide variation. The study suggests thatB. variegata with a deep root system is the most suitable species for plantation under agroforestry systems. R. pseudoacacia and G. optiva with deep root systems, more lateral spread and high soil binding factor are suitable for plantation on degraded lands for soil conservation.

关键词： Root categories Root distribution Root biomass Soil binding factor Soil conservation Nutrients

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