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This study aims to identify the prominent topics, the distribution and association characteristics of topics and the topic evolutionary trends of Documentary Heritage Preservation and Conservation (DHPAC) research in China.

Keywords of relevant papers in China National Knowledge Infrastructure (CNKI) were extracted as the data source in this study. First, frequency and co-occurrence of keywords of the selected papers were obtained by using SATI. Second, co-word network indicators were calculated with the Pajek software. Then, VOSviewer was applied to optimize the visualization of the sub-communities. Finally, a topics evolution map of this research field was implemented by CorTexT.

The research topics of DHPAC research in China were unbalanced but distinct. Topics of DHPAC research in China possessed inconspicuous orientation and consistency. The core topics had less influence on the overall network. A research system had formed with archival conservation and ancient books conservation as the core research directions. Research in this field had formed four continuous evolutionary paths about ancient books conservation, salvage conservation, archival conservation and archives conservation technology science with topics fusion and differentiation coexisting. Attentions on “ancient books conservation”, “paper relics conservation”, “electronic record”, “digitization”, “minority”, “documents in the republic of China” had increased during the past two decades and new hot topics of DHPAC research kept appearing in China.

This study synthesized and analyzed the research results of DHPAC research in China from a more comprehensive perspective and revealed the topic structure and longitudinal evolution process intuitively with co-word analysis and social network analysis, which can assist researchers to improve research systematization, discover new research directions and seek cooperative research path.

The purpose of this paper is to understand the emergence of digital reformatting as a technique for preserving information within the cultural heritage preservation community by reviewing historical trends in modern preservation research.

This paper analyzes secondary sources, reviews and historical texts to identify trends in the intellectual and technological histories of preservation research, beginning with the first applications of the scientific method to combating book decay in the early nineteenth to the emergence of digitization techniques in the late twentieth and early twenty-first centuries.

This paper identifies five major historical periods in the development of preservation knowledge: the early experimental era; era of microfilm experimentation; era of professionalization; era of digital library research; and the era of digital reformatting and mass digitization; and identifies three major trends in its development: empirical inquiry, standardization and centralization.

Findings reflect broad trends in the field of preservation, primarily in a United States context and are limited to the modern era of preservation research.

This paper's broad historical overview provides a reference for preservation professionals and students in library science or archives programs. Identifying historical trends enables practitioners to critically examine their own preservation techniques and make better decisions when adopting and using new preservation technologies.

This paper provides a unique perspective on the history of preservation knowledge that synthesizes existing historical research in order to identify periods and trends that enable a clearer understanding of digital reformatting in its historical emergence.

The aim of legal deposit is to ensure the preservation of and access to a nation’s intellectual and cultural heritage over time. There is a global trend towards extending legal deposit to cover digital publications in order to maintain comprehensive national archives. However, including digital publications in legal deposit regulations is not enough to ensure the long‐term preservation of these publications. Indeed, there are many practical difficulties associated with the entire deposit process. Conceptsm, principles and practices that are accepted and understood in the print environment, such as publication, publisher, place of publication and edition, may have new meanings or no longer be appropriate in a networked environment. Mechanisms for identifying, selecting and depositing digital material either do not exist or are inappropriate for some kinds of digital publication. There is a great deal of work on developing digital preservation strategies; this is at an early stage. National and other deposit libraries are at the forefront of research and development in this area, often in partnership with other libraries, publishers and technology vendors. Most of this activity is of a technical nature. There is some work on developing policies and strategies for managing digital resources. However, not all management issues or users’ needs are being addressed.

With the pressing need for environmental conservation, regulatory authorities are actively looking for measures to prevent global warming. In the proposed inventory model for deteriorating items, demand is dependent on the selling price and green technology investment (or carbon reduction investment) for the green product (GP), as well as an investment in price-based preservation technology to slow down the pace of deterioration. Furthermore, emission reduction measures are put in place to reduce carbon emissions (CEs).

The current study executed a thorough literature review to determine how to improve supply chain management performance. Furthermore, assumptions are made to fill research gaps, and a mathematical model is created to address the problem mentioned above. To collect the data, the available inventory literature was reviewed. Additionally, numerical illustrations and sensitivity analyses are presented to emphasize the model's robustness.

The research indicates that it is more prudent to invest in preservation technology based on its selling price in order to control the rate of deterioration. In addition, the proposed model facilitates the management of deteriorated waste through salvage trading and emission reduction investment. The findings validate sustainable practices with a 20.86% increase in profit and a 21.4% decrease in CEs, thereby signifying environmental and economic benefits.

The proposed model enhances understanding of the impact of investments in price-based preservation technology and carbon reduction efforts on consumer perceptions of their intention to purchase GPs. Moreover, the study provides valuable insights by identifying important recommendations for policymakers regarding areas that require further investigation. This guideline can help identify both current and unexplored gaps, enabling researchers to direct future research efforts toward producing new products.

The purpose of the study is to investigate the digital preservation practices in institutional repositories (IRs) in Africa.

Data were collected from the IRs developed in university libraries in Africa, and it was done in two phases. The phases are website investigation to identify the university libraries in Africa that have developed IR and online questionnaire.

Results from the study showed that the majority of IRs in Africa used DSpace software to manage their digital contents, and more than half of the IRs engage in information migration. The study also revealed that the majority of the responding institutions provide long-term digital preservation in their IR. Interestingly, the majority of the IRs has developed digital preservation policy to guide the implementation of digital preservation for IR contents. Finally, the majority of the respondents indicated that they do not have long-term funding and lack the necessary technical staff with required skills to handle and manage the IR.

Because of language barriers, data were collected from only universities in English speaking countries in Africa.

The findings of this study will make librarians in universities in Africa and other developing countries understand the key issues relating to digital preservation and longevity.

The findings of this study will inform information professionals, librarians in developing countries that are planning to create IRs and provide long-term digital preservation of electronic resources in their institution.

Digital preservation requires new skills and collaboration among library staff to maintain long-term access to information resources. Digital content and digital technologies pose a serious challenge to information institutions to continue to select, preserve and access information resources. However, there is an urgent need to increase awareness of the new trends in the partnership between research communities and academic libraries; there is also a need for new digital preservation-related skills among librarians. Therefore, this research aims to investigate the benefits, importance, requirements and challenges of digital preservation in academic libraries in Jordan.

A questionnaire was disseminated to 150 library staff working at the 10 public universities in Jordan, with 133 questionnaires suitable to analyze with a response rate of (88.6%).

The results indicate a moderate perception of the benefits and importance of digital preservation, as well as the requirements and challenges in academic libraries in Jordan to carry out the digital preservation process. This indicated the importance of increasing the academic libraries' – specifically academic libraries in Jordan – awareness of the vast and important benefits of digital preservation to maintain long-term access to information. It was noted that factors such as sex, experience, educational level and specialization did not affect the results.

The findings will provide insights for other academic libraries on how to plan and develop preservation policies to maintain access to information.

Access to information is a human right that contributes to the advocacy of sustainable development, and hence, digital preservation can facilitate long-term availability and accessibility to information.

This paper provides insights and practical solutions for academic libraries in response to technological development and the change requirements. It will help academic libraries handle and cope with the challenges of providing distance library services over digital channels.

Terms such as medium preservation and technology preservation are now widely used when discussing issues related to the preservation of electronic records. The advent of electronic information introduces new preservation requirements. Medium preservation has been addressed in discussions on environmental and handling concerns for tapes, magnetic disks, optical disks, and the like. Greater attention should instead be directed to the obsolescence of technologies. It is a challenge to imagine not only how to technically preserve electronic records indefinitely, but also how to choose what to preserve and how to guarantee the electronic record’s reliability and authenticity in the future. The combined problems of immense volume, unstable storage media, and obsolete hardware and software add up to some very tough problems, which have to be dealt with. Digital preservation is becoming a business issue. Not only are historians, librarians and archivists alarmed by the loss of cultural and government records due to a lack in digital preservation, but certain industries have also realised that they need to keep data longer and longer for regulatory or business reasons.

Audio-visual records produced by public broadcasters play a role in preserving the history, culture and language of a country. The records are used by broadcasters to repeat and support programmes on air. The formats that carry these records such as tapes and compact discs are fragile and have a short life span. This is compounded by evolving technologies and results in obsolete playback equipment, which can result in records not being accessible. This study aims to explore the preservation and access of audio-visual records at the South African Broadcasting Corporation (SABC) radio in Limpopo regional offices.

Qualitative data were collected through interviews from purposively selected participants in three radio stations of the SABC in the Limpopo province which are Munghana Lonene FM, Phalaphala FM and Thobela FM. The interview data were augmented through participant observation.

The findings revealed that the SABC radio archive was preserving audio-visual records in obsolete formats such as long plays and cassettes, which also lacked playback equipment. These formats were not properly arranged and were kept in a storage area that was not monitored for decaying and security. It was further established that the radio stations were using IONA technology for retrieval of and access to records while the news division within the radio stations were relying on Electronic News Production System. As audio-visual materials were not catalogued, it proved difficult for users to access these records.

This study adds value to the existing theoretical and conceptual issues that form the ongoing discourse on the preservation of and access to audio-visual records which are often neglected in the developing countries. The study also laid the groundwork for further investigation of the audio-visual records at broadcasting corporations. This is prompted by the findings which established that valuable information has been lost and continues to be lost due to poor management of audio-visual records. Therefore, a further study on migration of content from analogue to digital for the purpose of continuous preservation is recommended.

The study triangulated data collection tools including interviews and participant observation. The context was on the national broadcaster and the focus was on the preservation of and access to audio-visual records for the radio.