Wednesday, May 27, 2026

Summary: Using and Reusing Data

The use and reuse of data have become an essential component in modern information-driven environments, where data is considered a valuable resource for decision-making, planning, and service improvement. Data use refers to the process of applying collected data for its original intended purpose through processes such as cleaning, organizing, analyzing, and interpreting. High-quality data use depends on accuracy, consistency, completeness, and proper documentation throughout the data lifecycle. When data is well managed, it improves reliability of outputs and supports evidence-based decisions across different sectors including health, education, business, and public administration (Wilkinson et al., 2016).

Data reuse refers to the secondary use of existing datasets beyond the original purpose for which they were collected. This includes activities such as re-analysis, validation of findings, combining datasets for comparative studies, longitudinal analysis, and generating new insights from previously collected data. Data reuse increases efficiency by reducing duplication of data collection efforts, saving time and resources, and maximizing the value of existing datasets. It also enhances transparency and accountability by allowing verification of results and supporting reproducibility of findings, which are key principles in modern data governance systems (Borgman, 2018).

For data reuse to be effective, strong data management practices must be in place. These include proper documentation, use of metadata standards, structured data storage systems, and clear data organization procedures that explain how the data was collected, processed, and maintained. Metadata plays a critical role because it provides context that enables other users to understand and correctly interpret datasets. In addition, the use of digital repositories and cloud-based storage systems improves long-term preservation and accessibility of data, ensuring that datasets remain usable over time. Without these systems, data becomes difficult to locate, interpret, and reuse effectively.

Technological infrastructure also plays a significant role in enabling efficient data use and reuse. Advanced data management systems, databases, and open data platforms allow easier sharing and retrieval of datasets across institutions and regions. However, challenges such as limited ICT infrastructure, lack of standardization, poor internet connectivity, and low data literacy continue to hinder effective data reuse, particularly in developing contexts. These challenges reduce the potential benefits of data-driven decision-making and limit collaboration between institutions.

Ethical and legal considerations are fundamental in both data use and reuse. Issues such as informed consent, confidentiality, data ownership, intellectual property rights, and data protection must be strictly observed to ensure responsible data management. Failure to address these ethical concerns may lead to misuse of sensitive information, breach of privacy, and loss of trust in data systems. Therefore, strong governance frameworks and institutional policies are necessary to guide how data is accessed, shared, and reused responsibly (Khan et al., 2022).

In conclusion, the use and reuse of data significantly enhance efficiency, transparency, innovation, and decision-making across multiple sectors. When supported by strong data management systems, ethical frameworks, and adequate technological infrastructure, data reuse maximizes the value of existing information resources and contributes to sustainable development of data-driven systems. Strengthening data governance and capacity building remains essential, especially in resource-limited settings, to fully realize the benefits of data use and reuse. https://wchawinga.blogspot.com/ 

References

Bezuidenhout, L., & Havemann, J. (2022). Data sharing and reuse in low- and middle-income         countries: Barriers and enabling conditions. Data Science Journal, 21(1), 1–12.             https://doi.org/10.5334/dsj-2022-005

Borgman, C. L. (2018). Big data, little data, no data: Scholarship in the networked world. MIT   Press.

Khan, S., Shapourabadi, S., & Rezaei, N. (2022). Ethical issues in data sharing and reuse. Journal           of Data and Information Science, 7(3), 45–60.

Wilkinson, M. D., Dumontier, M., Aalbersberg, I. J., et al. (2016). The FAIR guiding principles   for                scientific data management and stewardship. Scientific Data, 3, 160018.                                              https://doi.org/10.1038/sdata.2016.18

 

Wednesday, May 20, 2026

Data Storage : A summary

Data storage is the method of collecting, maintaining, and safeguarding digital information so that it can be accessed and used in the future. In today’s technology-driven world, institutions, businesses, governments, and individuals depend on reliable storage systems to manage large amounts of information effectively. Proper data storage is important because it supports communication, organizational activities, research, decision-making, and service delivery. As noted by O’Brien and Marakas (2019), storage technologies are essential elements of information systems since they facilitate the preservation and retrieval of data when needed.

Primary storage consists of temporary memory that holds data and instructions currently in use by a computer system. A common example is Random Access Memory (RAM), which enables rapid processing and quick access to active programs and files. Since RAM is volatile, all stored information disappears once the computer is switched off (Morley & Parker, 2017). In contrast, secondary storage provides long-term retention of information through devices such as hard drives, solid-state drives, USB flash disks, optical disks, and memory cards. These storage media allow data to remain available even after power loss.

Another modern approach to data storage is cloud computing, where information is stored on remote servers that are accessed through the internet. Companies such as Google Cloud, Microsoft Azure, and Amazon Web Services provide online storage platforms that offer scalable and convenient services. Cloud storage enables users to retrieve and share files from multiple locations and devices, thereby enhancing collaboration and remote accessibility (Velte, Velte, & Elsenpeter, 2010).

Protecting stored data is a significant concern for organizations and individuals. Threats such as hacking, unauthorized access, accidental deletion, and system failure may compromise important information. To minimize such risks, organizations implement security measures including encryption, authentication systems, firewalls, and routine backups. According to Whitman and Mattord (2021), strong information security practices help maintain data integrity, confidentiality, and system reliability.

Databases are also widely used for storing and organizing information efficiently. A Database Management System (DBMS) enables users to create, manage, update, and retrieve data systematically. Databases are applied in various sectors including healthcare, banking, education, and government administration to handle extensive records and transactions. Relational databases, in particular, arrange data into structured tables that simplify searching, analysis, and updating processes (Coronel & Morris, 2019).

Despite the many advantages associated with data storage, organizations still face several challenges. These include rising storage expenses, cybercrime, evolving technology, and compliance with privacy regulations. As a result, institutions are required to establish effective data governance strategies that ensure secure, ethical, and lawful handling of information. Regular maintenance of storage infrastructure and software updates are equally important in improving performance and preventing data loss (Baltzan & Phillips, 2020).

In summary, data storage remains a vital component of modern digital systems and information management. It allows individuals and organizations to preserve and access valuable information efficiently. The development of cloud computing, databases, and advanced storage technologies has significantly transformed the management of digital information worldwide. Nevertheless, maintaining strong security controls and proper storage practices is necessary to guarantee the safety and long-term preservation of data. https://wchawinga.blogspot.com/ 













References

Baltzan, P., & Phillips, A. (2020). Business Driven Information Systems. Education.

Coronel, C., & Morris, S. (2019). Database Systems: Design, Implementation, and                        Management.  Cengage Learning.

Morley, D., & Parker, C. S. (2017). Understanding Computers: Today and Tomorrow. Cengage Learning.

O’Brien, J. A., & Marakas, G. M. (2019). Management Information Systems. McGraw-Hill Education.

Velte, T., Velte, A., & Elsenpeter, R. (2010). Cloud Computing: A Practical Approach. McGraw-Hill.

Whitman, M. E., & Mattord, H. J. (2021). Principles of Information Security.Cengage Learning.

Wednesday, May 13, 2026

Selection and Appraisal of Data


Selection and Appraisal of Data

Selection and appraisal of data are fundamental processes in records management, archives administration, and digital curation. In the modern information environment, organisations, institutions, and researchers generate large volumes of data every day through administrative activities, research, communication systems, and digital technologies. Because it is costly and impractical to preserve all data permanently, organisations must identify which information has long-term value and which can be disposed of responsibly. Selection and appraisal therefore help institutions preserve valuable information while ensuring efficient management of storage resources and compliance with legal and organisational requirements.

Data selection refers to the process of identifying and choosing data that should be retained for future use, preservation, or reference. According to the International Council on Archives (2016), selection involves determining which records or datasets possess administrative, legal, fiscal, evidential, historical, or research value. The aim is to retain information that supports accountability, institutional memory, decision-making, and future research activities. In many organisations, selection decisions are guided by records retention schedules, organisational policies, and legal obligations.

For example, universities often preserve student records, research datasets, institutional reports, examination records, and financial documents because they have continuing value for administration, accountability, and historical reference. Similarly, hospitals and healthcare institutions preserve patient records and medical research data because they are important for patient care, legal evidence, and scientific studies. Data selection ensures that organisations focus on preserving information that contributes meaningfully to their operations and long-term objectives.

Data appraisal, on the other hand, refers to the process of evaluating data to determine their significance, reliability, usefulness, and retention period before decisions are made regarding preservation or disposal. Shepherd and Yeo (2003) explain that appraisal helps organisations assess whether information should be kept permanently, retained temporarily, or securely destroyed. During appraisal, records managers and information professionals examine factors such as authenticity, uniqueness, legal requirements, confidentiality, research value, accessibility, and potential future use.

The appraisal process is important because not all data are equally valuable. Some records may become obsolete, duplicated, or irrelevant after a certain period, while others may possess long-term historical or evidential importance. Through appraisal, organisations can reduce unnecessary storage costs, improve retrieval efficiency, and minimise risks associated with retaining outdated or sensitive information. In digital environments, appraisal is especially critical because digital data can accumulate rapidly, leading to challenges in storage management and preservation.

Selection and appraisal are closely connected to digital preservation and data curation. Digital information is highly vulnerable to technological obsolescence, accidental deletion, cyber threats, and corruption. Without proper appraisal and selection procedures, organisations may preserve large amounts of low-value information while failing to protect essential records. Effective selection and appraisal support sustainable digital preservation strategies by ensuring that valuable and authentic information remains accessible over time (UK Data Service, 2019).

Several frameworks and standards guide the selection and appraisal of data. The Digital Curation Centre promotes lifecycle management approaches where appraisal and selection occur throughout the data lifecycle rather than only at the end of record creation. Likewise, the Open Archival Information System (OAIS) model developed by the Consultative Committee for Space Data Systems provides guidelines for preserving digital information and maintaining long-term access to it. These frameworks help organisations establish systematic and standardised approaches for managing digital records and research data.

Selection and appraisal also contribute significantly to accountability, transparency, and governance within organisations. Government institutions, libraries, universities, and private organisations rely on well-managed information systems to support policy development, operational activities, and legal compliance. Proper appraisal ensures that important records are available when required for audits, research, legal investigations, or institutional reporting. Furthermore, preserving reliable data promotes trust, supports evidence-based decision-making, and strengthens organisational memory.

In research environments, selection and appraisal enhance research integrity and reproducibility. Researchers increasingly rely on curated datasets to validate findings, support future studies, and promote knowledge sharing. Properly appraised and preserved research data can be reused by other researchers, reducing duplication of effort and contributing to scientific advancement. Ethical considerations such as privacy, confidentiality, and informed consent must also be considered during appraisal to ensure responsible management of sensitive information.

In conclusion, selection and appraisal of data are essential components of records management and digital curation. They help organisations identify valuable information, preserve important records, reduce storage burdens, and support long-term accessibility of reliable data. Through effective selection and appraisal practices, institutions can improve efficiency, strengthen accountability, and ensure the preservation of knowledge for future generations. 


https://wchawinga.blogspot.com/ 

References

International Council on Archives. (2016). Principles and functional requirements for records in electronic office environments. International Council on Archives.

Shepherd, E., & Yeo, G. (2003). Managing records: A handbook of principles and practice. Facet Publishing.

UK Data Service. (2019). Managing and sharing data: Best practice for researchers. UK Data Service.

Niu, J. (2014). Appraisal and selection for digital curation. International Journal of Digital Curation

Wednesday, May 6, 2026

Data Collection and Repositories

Data collection is a foundational stage in the data lifecycle; however, its significance extends beyond the mere gathering of information. It determines the credibility, reliability, and long-term value of research outputs. In Library and Information Science, data collection must be understood as a deliberate and methodologically rigorous process aimed at producing valid and reusable data. Without such rigor, the integrity of research is compromised, regardless of the sophistication of subsequent analysis. 

Various methods of data collection including surveys, interviews, observations, and the use of secondary datasets offer distinct advantages and limitations. Creswell and Creswell (2018) emphasise that the selection of these methods should be guided by research objectives. Despite this, methodological choices are often influenced by convenience rather than suitability. Surveys, for example, are frequently adopted due to their efficiency, yet they may fail to capture the depth required for complex inquiries. This overreliance on convenience-based methods undermines data quality and calls for a more deliberate approach that prioritises validity and contextual relevance. 

The importance of data collection becomes more evident when linked to data repositories. Once collected, data must be systematically organised and stored to ensure accessibility and preservation. Data repositories function as structured digital infrastructures that support the storage, management, and dissemination of datasets. Borgman (2015) highlights their importance in the digital research environment; however, their effectiveness depends not only on storage but also on proper data management practices. 

Metadata is central to this process, as it provides the context necessary for interpreting and reusing datasets. The UK Data Service (2020) notes that metadata enhances discoverability and usability. Nevertheless, inadequate metadata practices remain a common challenge, often making datasets difficult to interpret. This reflects a broader weakness in research data management, where documentation is insufficiently prioritised. 

In addition, repositories support open science by promoting transparency and reproducibility. Tenopir et al. (2011) observe that although researchers recognise the benefits of data sharing, actual practices remain inconsistent. This gap is often linked to concerns about intellectual property, data sensitivity, and misuse. As a result, the effectiveness of repositories is shaped not only by technology but also by institutional policies and researcher attitudes. In conclusion, data collection and repositories are interdependent processes that shape the quality and impact of research. Rigorous data collection ensures reliability, while effective repository management guarantees preservation and access. Strengthening both components is essential for advancing transparent, credible, and reusable research in the digital era. 

References 
Borgman, C. L. (2015). Big data, little data, no data: Scholarship in the networked world. MIT Press. 

Creswell, J. W., & Creswell, J. D. (2018). Research design: Qualitative, quantitative, and mixed                methods approaches. Publications. 

Tenopir, C., Allard, S., Douglass, K., Aydinoglu, A. U., Wu, L., Read, E., & Frame, M. (2011). Data         sharing by scientists: Practices and perceptions. PLoS ONE, 6(6), e21101. 

UK Data Service. (2020). Managing and sharing data: Best practice for researchers. UK Data Service.

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