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Ivan, Ion; Ciurea, Cristian; Pavel, Sorin – Journal of Applied Quantitative Methods, 2010
The collaborative system with finite number of states is defined. A very large database is structured. Operations on large databases are identified. Repetitive procedures for collaborative systems operations are derived. The efficiency of such procedures is analyzed. (Contains 6 tables, 5 footnotes and 3 figures.)
Descriptors: Foreign Countries, Cooperation, Databases, Efficiency
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Lorenz, Anja; Borcea-Pfitzmann, Katrin – Interactive Technology and Smart Education, 2010
Purpose: Facing the dilemma between collaboration and privacy is a continual challenge for users. In this setting, the purpose of this paper is to discuss issues of a highly flexible role management integrated in a privacy-enhanced collaborative environment (PECE). Design/methodology/approach: The general framework was provided by former findings…
Descriptors: Cooperation, Interaction, Data, Role
Talukdar, Partha Pratim – ProQuest LLC, 2010
The variety and complexity of potentially-related data resources available for querying--webpages, databases, data warehouses--has been growing ever more rapidly. There is a growing need to pose integrative queries "across" multiple such sources, exploiting foreign keys and other means of interlinking data to merge information from diverse…
Descriptors: Information Needs, Databases, Data, Data Analysis
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Miller, L. D.; Soh, Leen-Kiat; Samal, Ashok; Nugent, Gwen – International Journal of Artificial Intelligence in Education, 2012
Learning objects (LOs) are digital or non-digital entities used for learning, education or training commonly stored in repositories searchable by their associated metadata. Unfortunately, based on the current standards, such metadata is often missing or incorrectly entered making search difficult or impossible. In this paper, we investigate…
Descriptors: Computer Science Education, Metadata, Internet, Artificial Intelligence
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Waters, John K. – T.H.E. Journal, 2008
Data integration is one of the single most challenging tasks any district can face. Fortunately for school districts throughout the country with data scattered in disparate systems, an open specification known as the Schools Interoperability Framework (SIF) is mitigating that challenge. SIF has emerged as a cornerstone of K-12 data warehousing,…
Descriptors: Elementary Secondary Education, Computer Software, School Districts, Educational Cooperation
International Association for Development of the Information Society, 2012
The IADIS CELDA 2012 Conference intention was to address the main issues concerned with evolving learning processes and supporting pedagogies and applications in the digital age. There had been advances in both cognitive psychology and computing that have affected the educational arena. The convergence of these two disciplines is increasing at a…
Descriptors: Academic Achievement, Academic Persistence, Academic Support Services, Access to Computers