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- Title
The Physical Deterioration of Books: Preservation Principles.
- Authors
Konsa, Kurmo
- Abstract
Accurate prediction of the current and future conditions of printed materials in libraries using condition surveys data is crucial for developing appropriate proactive maintenance and conservation strategies. The need for the development of standardized approaches to deterioration prediction of printed materials has been recognized in the literature for decades. The main reasons for this lack of deterioration models, include: (i) Complexity of deterioration problem and lack of understanding of the degradation mechanisms affecting various materials and constructions of printed materials; and (ii) lack of reliable quantitative approaches. This study presents a Markov model for the structural deterioration of books. A Markov deterioration model is based on the assumption that the condition of a book can be described in terms of a limited number of condition states. Transition probabilities link the current state with a maintenance action to a future state. A transition probability is defined as the probability that a book will move from one state to another (same or worse one) depending on the action taken (including "no action"). Because a Markov deterioration model is condition-based, it is quite flexible in adapting it to visual inspection data. The Markovian modeling requires only limited data on the condition of books at two or more points in time, in order to derive the probabilities of transition from one state to other states having the same or lower condition ratings. This transition time is in this study 15 years. The proposed model is applied and evaluated using the condition data of books at Tartu University Library.
- Subjects
DETERIORATION of materials; BOOKS &; reading; MARKOV processes; READING interests; PRESERVATION of books; AGING of materials (Library science)
- Publication
International Journal of the Book, 2007, Vol 5, Issue 1, p41
- ISSN
1447-9516
- Publication type
Article