Produção Nacional
Revisado por pares
Cláudio Lima, Ronaldo S. Mello,
Purpose NoSQL databases do not require a default schema associated with the data. Even that, they are categorized by ... to present an approach for logical design of NoSQL document databases that consists a process that converts ... conceptual modeling into efficient logical representations for a NoSQL document database. The authors also evaluate their approach and demonstrate that the generated NoSQL logical structures reduce the amount of data items ... paper presents an approach for logical design of NoSQL document database schemas based on a conceptual schema. ...
Tópico(s): Semantic Web and Ontologies
2016 - Emerald Publishing Limited | International Journal of Web Information Systems
Brad Fowler, Joy Godin, Margaret Geddy,
... traditional databases, they will be introduced to a NoSQL database management system. NoSQL is a relatively new technology that many companies ... Google, Facebook, Twitter, and Amazon, are moving to NoSQL databases. The term, NoSQL, coined in the late 90's to mean ... relational database systems (Berg, Seymour, and Goel, 2013). NoSQL databases allow for large amounts of variable and ... need to develop a basic understanding of how NoSQL databases work in modern information environments. This need ... careers. So, a clear understanding of what a NoSQL database looks like, how it differs from a ...
Tópico(s): Software System Performance and Reliability
2016 - | The Journal of Information and Systems in Education
Jongseong Yoon, Doowon Jeong, Chul-hoon Kang, Sangjin Lee,
The NoSQL DBMS provides an efficient means of storing and accessing big data because its servers are more easily ... data model of applications. These characteristics of the NoSQL DBMS mean that it is increasingly used in ... Things) data. Although the increased usage of the NoSQL DBMS increases the possibility of it becoming a ... there are few papers about forensic investigation of NoSQL DBMS. In this paper, we propose a forensic investigation framework for the document store NoSQL DBMS. It is difficult to cover all of ...
Tópico(s): Forensic Fingerprint Detection Methods
2016 - Elsevier BV | Digital Investigation
Vincent Reniers, Ansar Rafique, Dimitri Van Landuyt, Wouter Joosen,
... has declined in favour of non-relational databases (NoSQL). These database technologies are better adapted to meet ... Data by providing elastic and horizontal scalability. Each NoSQL technology however is suited for specific use cases and data models. As a consequence, NoSQL adopters are faced with tremendous heterogeneity in terms ... application programming interfaces (APIs). Opting for a specific NoSQL database poses the immediate problem of vendor or ... has been proposed in the shape of Object-NoSQL Database Mappers (ONDMs), which provide a uniform abstraction ...
Tópico(s): Distributed systems and fault tolerance
2017 - Springer Science+Business Media | Journal of Internet Services and Applications
María Teresa González-Aparicio, Muhammad Younas, Javier Tuya, Rubén Casado,
... databases through to service-oriented computing systems to NoSQL databases and cloud. Though transactional services aim to ensure data consistency, NoSQL databases prioritize efficiency/availability over data consistency. In ... in the literature. However, testing of transactions in NoSQL database has not been addressed. In this paper, ... investigate into the testing of transactional services in NoSQL databases in order to test and analyse the ... consistency by taking into account the characteristics of NoSQL databases such as efficiency, velocity, etc. Accordingly, we ...
Tópico(s): IoT and Edge/Fog Computing
2017 - Elsevier BV | Future Generation Computer Systems
Relational Database and NoSQL are competing types of database models. The former has been in existence since 1979 and the latter since the ... 0, 3.0 and big data have made NoSQL a popular database of choice. Choosing an appropriate ... paper compares the features of Relational Databases and NoSQL to establish which database is better at supporting ... The paper also brings out the challenges of NoSQL. Finally, the paper concludes by determining whether Relational Databases would completely be replaced by NoSQL database models. The findings revealed that, Relational Databases ...
Tópico(s): Cloud Computing and Resource Management
2017 - | Zambia ICT Journal
M. Ahmed, Hanan Omar, M. Hazem, Samir Ben Ahmed,
A NoSQL injection attack targets interactive Web applications that employ NoSQL database services. These applications accept user inputs and ... them to form query statements at runtime. During NoSQL injection attack, an attacker might provide malicious query ... paper, a testing tool is presented to detect NoSQL injection attacks in web application which is called “NoSQL Racket”. The basic idea of this tool depends on checking the intended structure of the NoSQL query by comparing NoSQL statement structure in code ...
Tópico(s): Spam and Phishing Detection
2017 - Science and Information Organization | International Journal of Advanced Computer Science and Applications
Ricardo Sánchez-de-Madariaga, Adolfo Muñoz Carrero, Raimundo Lozano-Rubí, Pablo Serrano Balazote, Antonio Castro, Oscar Moreno, Mario Carrasco,
... is to compare the relational and non-relational (NoSQL) database systems approaches in order to store, recover, ... Record XML extracts, both in isolation and concurrently. NoSQL database systems have recently attracted much attention, but ... standardized medical information system. One relational and two NoSQL databases (one document-based and one native XML ... have also been considered. Relational and non-relational NoSQL database systems show almost linear algorithmic complexity query ... much steeper than the two latter. Document-based NoSQL databases perform better in concurrency than in isolation, ...
Tópico(s): Semantic Web and Ontologies
2017 - BioMed Central | BMC Medical Informatics and Decision Making
Md. Razu Ahmed, Mst. Arifa Khatun, Md. Asraf Ali, Kenneth Sundaraj,
... present study was to literature review on the NoSQL Database for Big Data processing including the structural ... December 2017). We specifically searched for two keywords (“NoSQL” and “Big Data”) to find the articles. The ... processing in the field of Big Data through NoSQL databases.Results: In the 18 selected articles, this ... 8 articles which provided various suitable recommendations on NoSQL databases for specific area focus on the value ... 5 articles described the performance comparison of different NoSQL databases, 2 articles presented the background of basics ...
Tópico(s): Data Stream Mining Techniques
2018 - | International Journal of Engineering & Technology
A Deep Dive into NoSQL Databases: The Use Cases and Applications, Volume 109, the latest release in the Advances in Computers series first published in ... depth and breadth. This update includes sections on NoSQL and NewSQL databases for big data analytics and ... computing, NewSQL databases and scalable in-memory analytics, NoSQL web crawler application, NoSQL Security, a Comparative Study of different In-Memory (No/New)SQL Databases, NoSQL Hands On-4 NoSQLs, the Hadoop Ecosystem, and more.Provides a very ...
Tópico(s): Cloud Computing and Resource Management
2018 - Elsevier BV | Advances in computers
Ricardo Sánchez-de-Madariaga, Adolfo Muñoz Carrero, Antonio Castro, Oscar Moreno, Mario Carrasco,
... computational complexity of querying relational and non-relational (NoSQL (not only Structured Query Language)) standardized electronic health ... relational MySQL object-relational mapping (ORM), document-based NoSQL MongoDB, and native extensible markup language (XML) NoSQL eXist. The average response times to six complexity- ... the results showed a linear behavior in the NoSQL cases. In the NoSQL field, MongoDB presents a much flatter linear slope than eXist. NoSQL systems may also be more appropriate to maintain ...
Tópico(s): Advanced Database Systems and Queries
2018 - MyJOVE | Journal of Visualized Experiments
... move from relational databases to nonrelational databases like NoSQL. A NoSQL database, also referred as non-SQL or nonrelational ... security remains a very challenging issue even in NoSQL database as security challenges that were inherent in the previous databases have not spared even NoSQL. The key for ensuring adequate security of the NoSQL database system is a detailed consideration of security issues for the NoSQL database solution and implementation of corresponding security mechanisms. ... chapter is to discuss security issues inherent in NoSQL databases and further explore it to find the ...
Tópico(s): Cloud Data Security Solutions
2018 - Elsevier BV | Advances in computers
Alfonso de la Vega, Diego García‐Saiz, Carlos Blanco, Marta Zorrilla, Pablo Sánchez,
In the last decade, several NoSQL systems have emerged as a response to the scalability problems manifested by classical relational databases when used in Big Data contexts. These NoSQL systems appeared first as physical-level solutions, initially ... initial batch of systems, several design methodologies for NoSQL have been recently created. Nevertheless, most of these methodologies target just one NoSQL paradigm. In addition, as each methodology uses a different conceptual modeling approach, NoSQL database designers would need to remake conceptual models ...
Tópico(s): Advanced Database Systems and Queries
2019 - Elsevier BV | Future Generation Computer Systems
Kamal A. ElDahshan, AbdAllah A. AlHabshy, Gaber Abutaleb,
... of COVID-19 patient data requires storage in NoSQL database management systems (DBMSs). But with a multitude of existing NoSQL DBMSs, there is no straightforward way for institutions ... by explaining the five most popular categories of NoSQL databases. It also introduces the most popular NoSQL DBMS types related to each one of them. ... a comparative study of the different types of NoSQL DBMS, according to their strengths and weaknesses. This ... presents an algorithm to select the most convenient NoSQL DBMS for COVID-19 patients, medical staff, and ...
Tópico(s): IoT and Edge/Fog Computing
2020 - PeerJ, Inc. | PeerJ Computer Science
Stefanie Scherzinger, Sebastian Sidortschuck,
... evolve their domain model when building applications against NoSQL data stores. Specifically, we target Java projects that use object-NoSQL mappers to interface with schema-free NoSQL data stores. This is a popular software stack. ... ten real-world database applications, we extract the NoSQL database schema thus implied in the application code. ... as is recommended practice in data modeling for NoSQL data stores. Further, we analyze the entire project ... and with it, the evolution history of the NoSQL database schema. We show that NoSQL schemas evolve ...
Tópico(s): Cloud Computing and Resource Management
2020 - Springer Science+Business Media | Lecture notes in computer science
Aqib Ali, Samreen Naeem, Sania Anam, Muhammad Ahmed,
... and other types of enterprises are quickly implementing NoSQL technology rather than merely SQL because of the ... use, more businesses are beginning to recognize that NoSQL databases are a superior method for managing bulk ... currently being collected and handled.As a result, NoSQL database is increasingly viewed as a viable alternative to relational databases.For instance, NoSQL database is regularly utilized to gather and store ... article targets to introduce the ideas that underpin NoSQL, as well as a review of the pertinent ...
Tópico(s): Cloud Computing and Resource Management
2023 - | International Journal of Computing and Digital Systems
Wisal Khan, Teerath Kumar, Cheng Zhang, Kislay Raj, Arunabha M. Roy, Bin Luo,
... task of big data processing for SQL and NoSQL databases. SQL databases were created to organize data and allow for horizontal expansion. NoSQL databases, on the other hand, support horizontal scalability ... in database design are what set SQL and NoSQL databases apart. Each NoSQL database type also consistently employs a mixed-model ... well as the software architectures of SQL and NoSQL databases. Numerous studies comparing the capabilities of SQL and NoSQL of databases, particularly Oracle RDBMS and NoSQL Document ...
Tópico(s): Caching and Content Delivery
2023 - Multidisciplinary Digital Publishing Institute | Big Data and Cognitive Computing
NoSQL is a free and open-source, scattered, extensive column store database management system intended to handle ... data globally in a master-less configuration. A NoSQL database delivers a mechanism for storage and recovery ... than the tabular relations used in relational databases. NoSQL databases usually understood by engineers as 'not only ... a completely structured way of storing data. But NoSQL is an unstructured way of storing data. Is NoSQL an RDBMS? This is an article we will discuss various features of NoSQL, various advantages over RDBMS and the future of ...
Tópico(s): Distributed systems and fault tolerance
2019 - RELX Group (Netherlands) | SSRN Electronic Journal
Shabana Ramzan, Imran Sarwar Bajwa, Bushra Ramzan, Waheed Anwar,
... Big Data solution in handling data, such as NoSQL caused the developers in the previous decade to ... data databases, such as Apache Cassandra, Oracle, and NoSQL. NoSQL is a modern database technology that is designed ... support voluminous data, leading to the rise of NoSQL as the most viable database solution. These modern ... These days, the larger enterprises need to shift NoSQL databases due to their more flexible models. It ... and enterprises to transform their existing databases to NoSQL databases considering heterogeneity and complexity in relational data. ...
Tópico(s): Cloud Computing and Resource Management
2019 - Institute of Electrical and Electronics Engineers | IEEE Access
Wajid Ali, Muhammad Usman Shafique, Muhammad Arslan Majeed, Ali Raza,
... web applications. In the world of data storage, NoSQL (usually interpreted as "not only SQL" by developers) ... is a growing trend. It is said that NoSQL alternates with the most widely used relational databases ... this paper we will discuss about SQL and NoSQL databases, comparison of traditional SQL with NoSQL databases for Big Data analytics, NoSQL data models, types of NoSQL data stores, characteristics and features of each data store, advantages and disadvantages of NoSQL and RDBMS.
Tópico(s): Advanced Database Systems and Queries
2019 - | Asian Journal of Research in Computer Science
Zain Aftab, Waheed Iqbal, Khaled Mohamad Almustafa, Faisal Bukhari, Muhammad Abdullah,
Recently, the use of NoSQL databases has grown to manage unstructured data for applications to ensure performance and scalability. However, many organizations prefer to transfer data from an operational NoSQL database to a SQL-based relational database for ... decision making, and reporting. The existing methods of NoSQL to relational database transformation require manual schema mapping, ... automatic method is needed to transform an unstructured NoSQL database into a structured database. In this paper, ...
Tópico(s): Advanced Database Systems and Queries
2020 - Hindawi Publishing Corporation | Scientific Programming
Vincent Reniers, Dimitri Van Landuyt, Ansar Rafique, Wouter Joosen,
... for querying and storing data. The rise of NoSQL databases poses challenges beyond object-relational mapping (ORM) ... Objective: A systematic survey study of existing Object-NoSQL data mapping (ONDM) frameworks. Specific focus is given ... paid to mapping strategies that are specific to NoSQL databases (e.g. object embedding, schema flexibility). Method: ... for classes, inheritance, relationships, and attribute types to NoSQL data models. Results: ONDM frameworks are most prevalent ... JS, Python, and overall 54 frameworks support multiple (NoSQL) databases. Interfaces are frequently standardized and commonly feature ...
Tópico(s): Advanced Database Systems and Queries
2019 - Elsevier BV | Information Systems
Sunita Ghotiya, Juhi Mandal, Saravanakumar Kandasamy,
... with structured data, so there is need of NoSQL Database management System which can deal with semi - ... manage the data but as the use of NoSQL is increasing it is becoming necessary to migrate the data from Relational to NoSQL databases. Various frameworks has been proposed previously which ... provide facility of data to be stored in NoSQL databases to handle data which is not structured. ... various researchers to migrate data from relational to NoSQL databases. Some researchers proposed mechanisms for the co- ...
Tópico(s): Distributed systems and fault tolerance
2017 - IOP Publishing | IOP Conference Series Materials Science and Engineering
Mohammad Abu Kausar, Mohammad Nasar, Arockiasamy Soosaimanickam,
... hand, non-relational database systems, often known as NoSQL, were created to better fulfill the demands of ... enormous volumes of records. However, there are several NoSQL options, and the majority have not yet been ... goal of this research is to examine different NoSQL databases and evaluate their performance in terms of ... YCSB tool to measure the performance of three NoSQL databases: MongoDB, Cassandra, and Redis. We test six ... to process. Findings: MongoDB is a superior performing NoSQL database among Cassandra and Redis. The numerous optimizations ...
Tópico(s): Advanced Database Systems and Queries
2022 - Indian Society for Education and Environment | Indian Journal of Science and Technology
Werner K. Hauger, Martin S. Olivier,
NoSQL databases have gained a lot of popularity over the last few years. They are now used ... include sensitive information that needs to be secured. NoSQL databases are also underlying a number of cloud ... sensitive information by various organisations. This has made NoSQL databases a new target for hackers and other ... who was responsible. This paper examines specifically if NoSQL databases have security features that leave relevant traces ... this examination. A survey into the top ranked NoSQL databases was conducted to establish what authentication and ...
Tópico(s): Blockchain Technology Applications and Security
2018 - Institute of Electrical and Electronics Engineers | SAIEE Africa Research Journal
Souad Amghar, Safae Cherdal, Salma Mouline,
... be a challenging task for many database systems. NoSQL is a generation of databases that aim to ... data. However there is a large set of NoSQL systems, each has its own characteristics. Consequently choosing the suitable NoSQL system to handle Tweets is challenging. Based on ... work is carried out to find the suitable NoSQL system to manage Tweets. This paper presents the ... Tweets and provides a detailed comparison of five NoSQL systems namely, Redis, Cassandra, MongoDB, Couchbase and Neo4j regarding these requirements. The five NoSQL systems are compared in a real scenario where ...
Tópico(s): IoT and Edge/Fog Computing
2020 - Taylor & Francis | International Journal of Computers and Applications
Yusuf Abubakar, ThankGod Sani Adeyi, Ibrahim Gambo Auta,
NoSQL is a database used to store high volume of data.NoSQL databases are horizontally scalable, distributed, open source and ... major concern for practically every data-driven system.NoSQL databases claim to deliver faster performance than the ... case, it should be understood that not all NoSQL databases are created alike where performance is concerned. ... facilitating performance comparisons of the new generation of NoSQL databases in an environment where resources are limited. ... that considered a cluster or distributed system that NoSQL is known for, we limit out experiment to ...
Tópico(s): Peer-to-Peer Network Technologies
2014 - | International Journal of Applied Information Systems
... to migrate towards Non-Relational databases(referring as NoSQL popularly called as "NOT ONLY SQL")from Relational ... more difficult with relational databases.Non-relational databases (NoSQL databases) are considering as new Era database, it ... storage and access requirement.Today the use of NoSQL is mainly due to its Scalability and Performance ... paper includes the introduction, causes of migrating towards NoSQL databases, characteristics, classification of NoSQL databases.Finally the security issues in NoSQL Databases ...
Tópico(s): Distributed systems and fault tolerance
2014 - | International Journal of Research in Engineering and Technology
Paolo Atzeni, Francesca Bugiotti, Luca Cabibbo, Riccardo Torlone,
NoSQL systems have gained their popularity for many reasons, including the flexibility they provide in organizing data, ... this context as well. Specifically, we propose NoAM (NoSQL Abstract Model), a novel abstract data model for NoSQL databases, which exploits the commonalities of various NoSQL systems. We also propose a database design methodology for NoSQL systems based on NoAM, with initial activities that ... this intermediate representation can be implemented in target NoSQL databases, taking into account their specific features. Overall, ...
Tópico(s): Distributed systems and fault tolerance
2016 - Elsevier BV | Computer Standards & Interfaces
Pietro Colombo, Elena Ferrari,
... recent years have seen the birth of several NoSQL datastores, which are getting more and more popularity ... in a very efficient way. In several cases, NoSQL databases proved to outclass in terms of performance, ... recent surveys reveal that, despite their undoubted popularity, NoSQL datastores suffer from some weaknesses, among which the ... fine-grained access control framework for document-oriented NoSQL datastores. More precisely, we first focus on issues ... database management systems cannot be used within the NoSQL scenario. We then introduce possible strategies to address ...
Tópico(s): Cloud Data Security Solutions
2016 - Springer Science+Business Media | Data Science and Engineering