Introduces a hypertext data model for textual databases in which the text is divided into a syntactic structure, which describes the relationships of the text parts, and an access structure, which is generated from the syntactic structure by users' queries. Implementation considerations for the structuring component, retrieval component, and…

Examines the strength of Data-Star, a European database service, in the following categories: company-specific information; market research and investment bank reports; international newspapers and journals; and legal aspects of trade with the European community. Five tables detailing findings are included, and pricing and special features are…

Investigates the manipulation of large sets of two-dimensional data representing multiple overlapping features, and presents a new access method, the MOF-tree. Analyzes storage requirements and time with respect to window query operations involving multiple features. Examines both the pointer-based and pointerless MOF-tree representations.…

Investigates the role of data management in multimedia digital libraries, and its implications for the design of database management systems. Introduces the notions of content abstraction and content independence. Proposes a blueprint of a new class of database technology, which supports the basic functionality for the management of both content…

In January 2009, in the last week of the Bush Administration, the U.S. Department of Education (ED), upon orders from the departing political appointee staff, published the final report in a long running National Evaluation of Upward Bound (UB). The study was conducted by the contractor, Mathematica Policy Research. After more than a year in…

The National Child Count of Children and Youth who are Deaf-Blind is the first and longest running registry and knowledge base of children who are deaf-blind in the world. Begun in 1986 on behalf of the U.S. Department of Education (Baldwin, 1993), it represents a thirty plus year collaborative effort between the National Consortium on…

To preserve our nation's democratic ideals and compete in the global economy, we must improve postsecondary educational attainment. Indeed, the stakes are so high that prominent government and business leaders have set a goal for the United States to regain its status as the world's most educated country by 2020. Given demographic and…

This study investigated an innovative approach of program evaluation through analyses of student learning logs, demographic data, and end-of-course evaluation surveys in an online K-12 supplemental program. The results support the development of a program evaluation model for decision making on teaching and learning at the K-12 level. A case study…

An increasing number of higher educational institutes are offering remedial, bridging, preparatory or transitional courses in a blended and online format to remediate and enhance students' knowledge and skills. This article addresses how teachers and institutes design and implement these courses. The descriptions of transitional courses were…

Outlines techniques used in the context of a sixth grade science class to teach database structure and search strategies for science using the AppleWorks program. Provides templates and questions for class and element databases. (Author/YP)

This article describes the affordances of social media and networks for online Elementary German courses that have been taught at the University of Pennsylvania since 2010. These online courses were created to provide students the opportunity to take Elementary German as part of the language requirement for Penn credit during the summer months…

The present study is based on the theoretical assumptions that frequency of characters and their structural components, as well as the frequency types of structural components, are important to enable learners of Chinese as a foreign language (CFL) to discover the underlying structure of Chinese characters. In the CFL context, since reliable…

This report provides national estimates on the availability of alternative schools and programs for students at risk of educational failure in public school districts during the 2007-08 school year. The National Center for Education Statistics (NCES) previously reported results from a similar survey of alternative schools and programs conducted…

The partnerships, especially university-community partnerships, that sustain globally networked learning environments often face challenges in mobilizing research to empower local communities to effect change. This article examines these challenges by describing a university-community partnership involving researchers and graduate students in…

One size does not fit all. For anyone who has ever tried to make something fit (especially when it won't), it's best to realize that the word "all" does not really mean "everyone." The same thing is true for subscription databases. While it might seem that all students in grades K-12 can benefit from the use of the database contents, in reality,…