Βάσεις δεδομένων για αρχαιολογικά υλικά: μελέτη περίπτωσης αρχαίου μαρμάρου από το Αυστριακό Αρχαιολογικό Ινστιτούτο
Databases of archeological materials: a case study of ancient marble at the Austrian Archeological Institute
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Keywords
Πληροφορία ; Δεδομένα ; Βάσεις δεδομένων ; Μοντέλο Οντοτήτων Συσχετίσεων ; Σχεσιακό μοντέλο ; Αρχαιομετρία ; Προέλευση μαρμάρου ; Αυστριακό Αρχαιολογικό Ινστιτούτο ; Ψηφιοποίηση δεδομένωνAbstract
In recent decades, information and data have increased dramatically through the development of technologies for the general public. To better organize the data, the use of databases is being employed. A database is an object or mechanism used to store and manage information and data, forming a set of data, which is characterized by a logical organization, and grouping, and helps in easy and proper management. In recent years, databases have become an integral part of IT science, as they enhance the sharing and management of large volumes of data and information in different sectors of society, such as businesses, public services, etc.
In recent years, the science of archaeology and archaeometry has been using various types of databases to organize data from excavation processes, museums, museum repositories, etc. More and more archaeological and archaeometric databases are being built in an attempt to share data with the scientific community and the general public.
This thesis is divided into two parts. The first part records information about the basic theoretical concepts of Databases by combining information about Database Management Systems (DBMS), the Database Environment, the characteristics of a good design-build Database, and the stages of creation. Extensive reference is made to the role of the Entity-Relationship Model. Its basic terms such as instance, entity, keys, association, the Entity Relationship Diagram, and the geometric symbols used for its implementation are discussed.
Then a detailed analysis of the Relational Database Model (function, integrity rules, mapping, etc.) is carried out. Also, the concepts of Logical Design, Normalization, Contextual Dependencies, Relational Algebra, and SQL (Structured Query Language) are discussed.
The second part focuses on the practical application of a Database in the science of Archaeology - Archaeometry. This database belongs to the Austrian Archaeological Institute, with the subject of ancient marble and archaeometric analyses.
Information related to the Austrian Archaeological Institute is presented, including its role, the vision, the reason, and the purpose for the creation of the Database. The following information is discussed, concerning the origin of ancient marble, the most important analysis techniques, etc. An extensive description of the Database is then given. The tools used for its creation and its entities are presented. Subsequently, the two different groups of samples, used to carry out the thesis, are analyzed.
Finally, the conclusions of the thesis and future extensions of the Institute are elaborated.